2.6.18-rc1-mm1

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc1/2.6.18-rc1-mm1/

- We're getting a relatively large number of crash reports coming out of the core sysfs/kobject/driver/bus code, and they're all really hard to diagnose.

I am suspecting that what's happening is that some registration functions are failing and the caller is ignoring that failure. The code proceeds and crashes much later, in obscure ways.

All these functions return error codes, and we're not checking them. We should. So there's a patch which marks all these things as __must_check, which causes around 1,500 new warnings.

These are all bugs and they all need to be fixed.

In some cases (eg, sysfs file removal) there's not a lot the caller can do apart from warn, so we should probably change those things to return void and put a diagnostic message into the callee itself.

These new warnings can be turned off with CONFIG_ENABLE_MUST_CHECK=n, but I'll probably drop that patch. There's just no excuse for ignoring error codes and then blundering on to crash.

- There are some improvements to the swsusp disk IO handling. You should find that the suspend-time writeout and resume-time readin speeds are approximately doubled.

- reiser4 doesn't build, due to changes in

vectorize-aio_read-aio_write-fileop-methods.patch remove-readv-writev-methods-and-use-aio_read-aio_write.patch streamline-generic_file_-interfaces-and-filemap.patch

- You'll probably see these:

WARNING: drivers/net/3c59x ids 36 bad size (each on 16)
WARNING: drivers/net/depca ids 24 bad size (each on 16)
WARNING: drivers/net/dgrs ids 24 bad size (each on 16)
WARNING: drivers/net/hp100 ids 84 bad size (each on 16)
WARNING: drivers/net/ne3210 ids 36 bad size (each on 16)
WARNING: drivers/net/tulip/de4x5 ids 24 bad size (each on 16)
WARNING: drivers/scsi/aha1740 ids 60 bad size (each on 16)
WARNING: drivers/scsi/aic7xxx/aic7xxx ids 84 bad size (each on 16)

They're triggered by eisa-bus-modalias-attributes-support-1.patch but I don't know where the error lies. But I love the error message! Would be good to see on a tee shirt.

- powerpc (on Mac G5's at least) appears to be dead, probably due to the interrupt management changes in 2.6.18-rc1.

- please read the "Boilerplate", below. Especially the last point.

Boilerplate:

- See the `hot-fixes' directory for any important updates to this patchset.

- To fetch an -mm tree using git, use (for example)

git fetch git://git.kernel.org/pub/scm/linux/kernel/git/smurf/linux-trees.git v2.6.16-rc2-mm1

- -mm kernel commit activity can be reviewed by subscribing to the mm-commits mailing list.

echo "subscribe mm-commits" | mail [email protected]

- If you hit a bug in -mm and it is not obvious which patch caused it, it is most valuable if you can perform a bisection search to identify which patch introduced the bug. Instructions for this process are at

http://www.zip.com.au/~akpm/linux/patches/stuff/bisecting-mm-trees.txt

But beware that this process takes some time (around ten rebuilds and reboots), so consider reporting the bug first and if we cannot immediately identify the faulty patch, then perform the bisection search.

- When reporting bugs, please try to Cc: the relevant maintainer and mailing list on any email.

Changes since 2.6.17-mm6:

origin.patch
git-acpi.patch
git-alsa.patch
git-cifs.patch
git-cpufreq.patch
git-geode.patch
git-gfs2.patch
git-ia64.patch
git-ieee1394.patch
git-infiniband.patch
git-input.patch
git-intelfb.patch
git-jfs.patch
git-klibc.patch
git-libata-all.patch
git-mtd.patch
git-netdev-all.patch
git-ocfs2.patch
git-pcmcia.patch
git-powerpc.patch
git-sas.patch
git-s390.patch
git-scsi-target.patch
git-supertrak.patch
git-watchdog.patch
git-xfs.patch
git-cryptodev.patch

git trees

-time-initialisation-fix.patch
-genirq-ia64-cleanup.patch -lockdep-special-s390-print_symbol-version.patch -bcm43xx-netlink-deadlock-fix.patch
-uml-build-fix.patch
-pnpacpi-support-shareable-interrupts.patch -serial-allow-shared-8250_pnp-interrupts.patch -zvc-zone_reclaim-leave-1%-of-unmapped-pagecache-pages-for-file-i-o.patch -binfmt_elf-fix-checks-for-bad-address.patch -kernel-doc-maintainers.patch -add-mike-isely-as-pvrusb2-maintainer.patch -fbdev-add-framebuffer-and-display-update-module-support.patch -vt-decrement-ref-count-of-the-vt-backend-on-deallocation.patch -make-more-file_operation-structs-static.patch -sparc-i8042-build-fix.patch
-sparc-resource-warning-fixes.patch -lockdep-floppyc-irq-release-fix.patch -lockdep-console_init-after-local_irq_enable.patch -lockdep-add-is_module_address.patch
-lockdep-add-print_ip_sym.patch
-lockdep-add-per_cpu_offset.patch -lockdep-add-disable-enable_irq_lockdep-api.patch -lockdep-add-local_irq_enable_in_hardirq-api.patch -lockdep-add-declare_completion_onstack-api.patch -lockdep-clean-up-rwsems.patch -lockdep-remove-rwsem_debug-remnants.patch -lockdep-rename-debug_warn_on.patch
-lockdep-remove-debug_bug_on.patch -lockdep-remove-mutex-deadlock-checking-code.patch -lockdep-better-lock-debugging.patch -lockdep-mutex-section-binutils-workaround.patch -lockdep-locking-init-debugging-improvement.patch -lockdep-beautify-x86_64-stacktraces.patch -lockdep-x86_64-document-stack-frame-internals.patch -lockdep-i386-remove-multi-entry-backtraces.patch -lockdep-stacktrace-subsystem-core.patch -lockdep-s390-config_frame_pointer-support.patch -lockdep-stacktrace-subsystem-i386-support.patch -lockdep-stacktrace-subsystem-x86_64-support.patch -lockdep-stacktrace-subsystem-s390-support.patch -lockdep-irqtrace-subsystem-core.patch -lockdep-irqtrace-subsystem-docs.patch -lockdep-irqtrace-subsystem-i386-support.patch -lockdep-irqtrace-cleanup-of-include-asm-i386-irqflagsh.patch -lockdep-irqtrace-subsystem-x86_64-support.patch -lockdep-irqtrace-cleanup-of-include-asm-x86_64-irqflagsh.patch -lockdep-irqtrace-subsystem-s390-support.patch -lockdep-locking-api-self-tests.patch
-lockdep-core.patch -lockdep-allow-read_lock-recursion-of-same-class.patch -lockdep-design-docs.patch
-lockdep-procfs.patch
-lockdep-prove-rwsem-locking-correctness.patch -lockdep-prove-spinlock-rwlock-locking-correctness.patch -lockdep-prove-mutex-locking-correctness.patch
-lockdep-kconfig.patch
-lockdep-print-all-lock-classes-on-sysrq-d.patch -lockdep-x86_64-early-init.patch -lockdep-x86-smp-alternatives-workaround.patch -lockdep-do-not-recurse-in-printk.patch -lockdep-fix-rt_hash_lock_sz.patch -lockdep-s390-turn-validator-off-in-machine-check-handler.patch -lockdep-enable-on-i386.patch
-lockdep-enable-on-x86_64.patch
-lockdep-enable-on-s390.patch
-lockdep-annotate-direct-io.patch
-lockdep-annotate-serial.patch
-lockdep-annotate-dcache.patch
-lockdep-annotate-i_mutex.patch
-lockdep-annotate-futex.patch
-lockdep-annotate-genirq.patch
-lockdep-annotate-waitqueues.patch
-lockdep-annotate-mm.patch
-lockdep-annotate-serio.patch -lockdep-annotate-skb_queue_head_init.patch -lockdep-annotate-timer-base-locks.patch -lockdep-annotate-scheduler-runqueue-locks.patch -lockdep-annotate-hrtimer-base-locks.patch -lockdep-annotate-sock_lock_init.patch -lockdep-annotate-af_unix-locking.patch -lockdep-annotate-bh_lock_sock.patch -lockdep-annotate-ieee1394-skb-queue-head-locking.patch -lockdep-annotate-mmap_sem.patch
-lockdep-annotate-sunrpc-code.patch -lockdep-annotate-ntfs-locking-rules.patch -lockdep-annotate-the-quota-code.patch
-lockdep-annotate-usbfs.patch -lockdep-annotate-sound-core-seq-seq_portsc.patch -lockdep-annotate-sound-core-seq-seq_devicec.patch -lockdep-annotate-8390c-disable_irq.patch -lockdep-annotate-3c59xc-disable_irq.patch -lockdep-annotate-enable_in_hardirq.patch -lockdep-annotate-on-stack-completions.patch -lockdep-annotate-qeth-driver.patch
-lockdep-annotate-s_lock.patch
-lockdep-annotate-sb-s_umount.patch
-lockdep-annotate-slab-code.patch
-lockdep-annotate-blkdev-nesting.patch -lockdep-annotate-vlan-net-device-as-being-a-special-class.patch -lockdep-annotate-on-stack-completions-mmc.patch -lockdep-annotate-sk_locks.patch -lockdep-annotate-hostap-netdev-xmit_lock.patch -forcedeth-typecast-cleanup.patch -lockdep-annotate-forcedethc-disable_irq.patch -lockdep-irqtrace-subsystem-move-account_system_vtime-calls-into-kernel-softirqc.patch -sched-clean-up-fallout-of-recent-changes.patch -sched-cleanup-remove-task_t-convert-to-struct-task_struct.patch -sched-cleanup-convert-schedc-internal-typedefs-to-struct.patch -gfs2-get_sb_dev-fix.patch
-8139cp-printk-fix.patch
-git-e1000.patch
-git-e1000-fixup.patch
-lock-validator-fix-ns83820c-irq-flags-bug.patch -ni5010-netcard-cleanup.patch -remove-dead-entry-in-net-wan-kconfig.patch -ioat-fix-sparse-ulong-warning.patch -af_unix-datagram-getpeersec-fix.patch -drivers-dma-iovlockc-make-num_pages_spanned-static.patch -fix-a-warning-in-ioatdma.patch
-ioat-fix-header-file-kernel-doc.patch -ioat-fix-kernel-doc-in-source-files.patch -net-adduse-poison-defines.patch
-atm-adduse-poison-defines.patch -drivers-scsi-megaraidc-add-a-dummy-mega_create_proc_entry-for-proc_fs=y.patch -gregkh-usb-usb-serial-dynamic-id.patch
-gregkh-usb-usbip.patch
-gregkh-usb-usb-usbip-build-fix.patch -gregkh-usb-usb-usbip-more-dead-code-fix.patch -gregkh-usb-usb-usbip-warning-fixes.patch -gregkh-usb-airprime_major_update.patch -fix-sco-on-some-bluetooth-adapters-2.patch -mm-x86_64-mm-init-rdtscp-warning-fix.patch -sleazy-fpu-feature-x86_64-support-fix.patch -x86_64-fix-calgary-copyright-statements-per-ibm-guidelines.patch -x86_64-add-a-maintainers-entry-for-calgary.patch -sched-fix-bug-in-__migrate_task.patch -small-kernel-schedc-cleanup.patch
-enable-oprofile-on-pentium-d.patch -valid_mmap_phys_addr_range-cleanup.patch -reiserfsfix-journaling-issue-regarding-fsync.patch -jmicron-pci-identifiers.patch -vt-remove-vt-specific-declarations-and-definitions-from.patch -vt-remove-vt-specific-declarations-and-definitions-from-fix.patch -tty-remove-include-of-screen_infoh-from-ttyh.patch -tty-remove-include-of-screen_infoh-from-ttyh-fix.patch -tty-remove-include-of-screen_infoh-from-ttyh-fix-fix.patch -md-oops-workaround.patch
-kernel-printkc-export_symbol_unused.patch -mm-bootmemc-export_unused_symbol.patch -mm-memoryc-export_unused_symbol.patch -mm-mmzonec-export_unused_symbol.patch -fs-read_writec-export_unused_symbol.patch -kernel-softirqc-export_unused_symbol.patch

Merged into mainline or a subsystem tree.

+dont-select-config_hotplug.patch +x86_64-e820c-needs-pgtableh.patch +acpi-bus-add-missing-newline.patch
+count_vm_events-fix.patch
+sched-fix-bug-in-__migrate_task.patch +small-kernel-schedc-cleanup.patch +selinux-decouple-fscontext-context-mount-options.patch +selinux-add-rootcontext=-option-to-label-root-inode.patch +reiserfsfix-journaling-issue-regarding-fsync.patch +nfs-update-documentation-nfsroottxt-to-include-dhcp-syslinux-and-isolinux.patch +add-computone-intelliport-plus-serial-hotplug-support.patch +add-specialix-io8-card-support-hotplug-support.patch +partitions-let-partitions-inherit-policy-from-disk.patch +fadvise-remove-dead-comments.patch +minor-cleanup-to-lockdepc.patch +lockdep-add-more-rwsemh-documentation.patch +improve-lockdep-debug-output.patch +lockdep-core-reduce-per-lock-class-cache-size.patch +lockdep-clean-up-completion-initializer-in-smpbootc.patch +put-a-comment-at-register_die_notifier-that-the-export-is-used.patch +rcu-documentation-fix.patch
+vfs-documentation-tweak.patch +cdrom-fix-bad-cgcbuflen-assignment.patch +release_firmware-fixes.patch
+updates-credits-file.patch
+hisax-fix-usage-of-__init.patch +vt-remove-vt-specific-declarations-and-definitions-from.patch +tty-remove-include-of-screen_infoh-from-ttyh.patch +md-possible-fix-for-unplug-problem.patch +md-set-desc_nr-correctly-for-version-1-superblocks.patch +md-delay-starting-md-threads-until-array-is-completely-setup.patch +md-fix-resync-speed-calculation-for-restarted-resyncs.patch +md-fix-a-plug-unplug-race-in-raid5.patch +md-fix-some-small-races-in-bitmap-plugging-in-raid5.patch +md-fix-usage-of-wrong-variable-in-raid1.patch +md-unify-usage-of-symbolic-names-for-perms.patch +md-require-cap_sys_admin-for-re-configuring-md-devices-via-sysfs.patch +md-include-sector-number-in-messages-about-corrected-read-errors.patch +md-oops-workaround.patch +kernel-printkc-export_symbol_unused.patch +mm-bootmemc-export_unused_symbol.patch +mm-memoryc-export_unused_symbol.patch +mm-mmzonec-export_unused_symbol.patch +fs-read_writec-export_unused_symbol.patch +kernel-softirqc-export_unused_symbol.patch +h8300-remove-duplicate-define.patch +acpi-fix-fan-thermal-resume.patch +pi-futex-validate-futex-type-instead-of-oopsing.patch +zvc-add-__inc_zone_state-for-smp-configuration.patch +vmstat-export-all_vm_events.patch +acpi-init-dock-notifier-list.patch +acpi-fix-boot-with-acpi=off.patch +adjust-clock-for-lost-ticks.patch

2.6.18-rc2 queue.

+acpi-do-not-abort-method-execution-if-asked-to-release.patch +acpi-disable-sbs-by-default.patch +acpi-initialise-cm_sbs_sem.patch +acpi-resume-allocation-mode-fix.patch

ACPI fixes.

+cpufreq-add-__find_governor-helper-and-clean-up-some.patch +cpufreq-demand-load-governor-modules.patch

cpufreq updates

+gregkh-driver-device_rename.patch +gregkh-driver-network-class_device-to-device.patch +gregkh-driver-class_device_rename-remove.patch

driver tree updates.

+add-__must_check-to-device-management-code.patch
+add-config_enable_must_check.patch
+v4l-dev2-handle-__must_check.patch

Add __must_check to lots of driver-layer API functions.

+allow-drm-detection-of-new-via-chipsets.patch

DRM device support.

+videodev-check-return-values.patch

Reduce the __must_check warning storm.

+gregkh-i2c-i2c-fix-ignore-module-parameter-handling-in-i2c-core.patch +gregkh-i2c-i2c-iop3xx-avoid-addressing-self.patch +gregkh-i2c-scx200_acb-fix-the-state-machine.patch +gregkh-i2c-scx200_acb-fix-the-block-transactions.patch +gregkh-i2c-i2c-powermac-fix-master-xfer-return.patch +gregkh-i2c-i2c-plan-ite-bus-driver-for-removal.patch +gregkh-i2c-i2c-new-mailing-list.patch +gregkh-i2c-i2c-algo-error-handling-fix.patch +gregkh-i2c-i2c-algo-bit-wipe-out-dead-code.patch +gregkh-i2c-i2c-pca9539-force.patch +gregkh-i2c-i2c-dev-cleanups.patch +gregkh-i2c-i2c-dev-convert-array-to-list.patch +gregkh-i2c-i2c-dev-drop-template-client.patch +gregkh-i2c-i2c-dev-device.patch

i2v tree updates.

-ieee1394-sbp2-enable-auto-spin-up-for-maxtor-disks.patch -ieee1394-fix-calculation-of-csr-expire.patch -ieee1394-fix-cosmetic-problem-in-speed-probe.patch -ieee1394-skip-dummy-loop-in-build_speed_map.patch -ieee1394-replace-__inline__-by-inline.patch -ieee1394-coding-style-and-comment-fixes-in-midlayer.patch -ieee1394-update-include-directives-in-midlayer-header.patch -ieee1394-remove-redundant-code-from-ieee1394_hotplugh.patch -ieee1394-remove-unused-macros-hpsb_panic-and.patch -ieee1394-clean-up-declarations-of-hpsb__config_rom.patch -ieee1394-dv1394-sem2mutex-conversion.patch -ieee1394-raw1394-remove-redundant-counting-semaphore.patch -ieee1394-nodemgr-remove-unnecessary-includes.patch -ieee1394-nodemgr-do-not-spawn-kernel_thread-for-sysfs.patch -ieee1394-nodemgr-make-module-parameter-ignore_drivers.patch -ieee1394-nodemgr-switch-to-kthread-api-replace-reset.patch -ieee1394-nodemgr-convert-nodemgr_serialize-semaphore.patch

Merged.

+git-ieee1394-fixup.patch

Fix reject due to git-ieee1394.patch

+git-input-list_for_each_entry-fix.patch

Fix bug in git-input.patch

+drivers-usb-input-ati_remotec-autorepeat-fix.patch

USB fix.

-git-hdrinstall2.patch

Dropped.

+pata-jmicron-add-quirks-to-force-the-device-into-a-sane-mode.patch +pata-jmicron-configuration.patch +pata-ata_generic-generic-bios-setup-sff-ata-driver.patch +pata-jmicron-ide-old-type-driver.patch +sata-add-pci-id.patch

PATA updates

-git-netdev-all-fixup.patch

Unneeded.

+lockdep-fix-atm-ipcommonc-deadlock.patch
+lockdep-annotate-8390c-disable_irq-2.patch

net fixes.

+8139cp-printk-fix.patch +82596-section-fixes.patch +ac3200-section-fixes.patch +cops-section-fix.patch +cs89x0-section-fix.patch +at1700-section-fix.patch +e2100-section-fix.patch +eepro-section-fix.patch +eexpress-section-fix.patch +es3210-section-fix.patch +eth16i-section-fix.patch +smsc-ircc2-fix-section-reference-mismatches.patch +lance-section-fix.patch +lne390-section-fix.patch +ni52-section-fix.patch +ibmtr-section-fix.patch +smctr-section-fix.patch +wd-section-fix.patch +ni65-section-fix.patch +seeq8005-section-fix.patch +winbond-840-section-fix.patch +fealnx-section-fix.patch +sundance-section-fix.patch

Fix various __init section bloopers. These were done quickly and need a second round.

+drivers-net-e1000-possible-cleanups.patch
+e1000_7033_dump_ring.patch
+forcedeth-deferral-fixup.patch
+forcedeth-watermark-fixup.patch
+freescale-qe-ucc-gigabit-ethernet-driver.patch

Net driver updates.

+via-ircc-fix-memory-leak.patch +lockdep-fix-sk_dst_check-deadlock.patch +netlink-improve-string-attribute-validation.patch

Net things.

+fs-nfs-make-code-static.patch

NFS cleanup

+pcmcia-update-alloc_io_space-for-conflict-checking-for-multifunction-pc-card-for-linux-kernel-26154.patch

PCMCIA update

+git-powerpc-briq_panel-Kconfig-fix.patch
+powermac-combined-fixes-for-backlight-code.patch

powerpc fixes.

-gregkh-pci-msi-merge-existing-msi-disabling-quirks.patch -gregkh-pci-msi-rename-pci_cap_id_ht_irqconf-into-pci_cap_id_ht.patch -gregkh-pci-msi-blacklist-pci-e-chipsets-depending-on-hypertransport-msi-capabality.patch -gregkh-pci-msi-factorize-common-msi-detection-code-from-pci_enable_msi-and-msix.patch -gregkh-pci-msi-stop-inheriting-bus-flags-and-check-root-chipset-bus-flags-instead.patch -gregkh-pci-msi-drop-pci_msi_quirk.patch
gregkh-pci-resources-insert-identical-resources-above-existing-resources.patch
+gregkh-pci-msi-01-merge_msi_disabling_quirks.patch +gregkh-pci-msi-02-factorize_pci_msi_supported.patch +gregkh-pci-msi-03-use_root_chipset_dev_no_msi_instead_of_pci_bus_flags.patch +gregkh-pci-msi-04-rename_pci_cap_id_ht_irqconf.patch +gregkh-pci-msi-05-check_hypertransport_msi_capabilities.patch +gregkh-pci-msi-06-drop_pci_msi_quirk.patch +gregkh-pci-msi-07-drop_pci_bus_flags.patch -revert-gregkh-pci-msi-drop-pci_msi_quirk.patch -revert-gregkh-pci-msi-stop-inheriting-bus-flags-and-check-root-chipset-bus-flags-instead.patch -revert-gregkh-pci-msi-factorize-common-msi-detection-code-from-pci_enable_msi-and-msix.patch -revert-gregkh-pci-msi-blacklist-pci-e-chipsets-depending-on-hypertransport-msi-capabality.patch -revert-gregkh-pci-msi-rename-pci_cap_id_ht_irqconf-into-pci_cap_id_ht.patch -revert-gregkh-pci-msi-merge-existing-msi-disabling-quirks.patch

New set of PCI MSI patches.

-git-scsi-misc-fixup.patch

Unneeded.

+pci-initialize-struct-pci_dev-error_state.patch
+pcie-check-and-return-bus_register-errors.patch
+pcie-cleanup-on-probe-error.patch

PCI later updates.

+make-drivers-scsi-aic7xxx-aic79xx_coreahd_set_tags-static.patch +NCR_D700-section-fix.patch +megaraid-fix-warnings-when-config_proc_fs=n.patch

SCSI updates

+areca-raid-linux-scsi-driver-update7.patch
+areca-raid-linux-scsi-driver-update7-fix.patch

Update drivers-scsi-arcmsr-cleanups.patch

+sparc64-of_device_register-error-checking-fix.patch

Add missing error check.

+gregkh-usb-usb-remove-devfs-information-from-kconfig.patch +gregkh-usb-usb-ipw.c-driver-fix.patch +gregkh-usb-usb-add-support-for-wisegroup.-ltd-smartjoy-dual-plus-adapter.patch +gregkh-usb-usbfs-private-mutex-for-open-release-and-remove.patch +gregkh-usb-usbfs-detect-device-unregistration.patch +gregkh-usb-usb-skeleton-don-t-submit-urbs-after-disconnection.patch

USB tree udpates (part thereof - I dropped ten-odd patches due to oopsing)

+rtl8150_disconnect-needs-tasklet_kill.patch
+usb-storage-wait-for-urb-to-complete.patch

USB fixes.

+x86_64-mm-tif-restore-sigmask.patch
+x86_64-mm-add-ppoll-pselect.patch +x86_64-mm-bring-x86-64-ia32-emul-in-sync-with-i386-on-read_implies_exec-enabling.patch +x86_64-mm-getcpu-vsyscall.patch +x86_64-mm-tif-flags-for-debug-regs-and-io-bitmap-in-ctxsw.patch +x86_64-mm-add-a-maintainers-entry-for-calgary.patch +x86_64-mm-fix-calgary-copyright-statements-per-ibm-guidelines.patch +x86_64-mm-fix-acpi-defaults.patch
+x86_64-mm-oprofile-p4-model.patch

x86_64 updates

Folded into sleazy-fpu-feature-x86_64-support.patch

+x86_64-wire-up-oops_enter-oops_exit.patch

Implement pause_on_oops on x86_64.

+xfs-move-xfs_ioc_getversion-to-main-multiplexer.patch

XFS cleanup

+mmap-zero-length-hugetlb-file-with-prot_none-to-protect-a.patch

hugetlb fixlet.

+convert-i386-numa-kva-space-to-bootmem.patch +convert-i386-numa-kva-space-to-bootmem-tidy.patch +bootmem-remove-useless-__init-in-header-file.patch +bootmem-mark-link_bootmem-as-part-of-the-__init-section.patch +bootmem-remove-useless-parentheses-in-bootmem-header.patch +bootmem-limit-to-80-columns-width.patch +bootmem-remove-useless-headers-inclusions.patch +bootmem-use-pfn-page-conversion-macros.patch +bootmem-miscellaneous-coding-style-fixes.patch +reduce-max_nr_zones-remove-two-strange-uses-of-max_nr_zones.patch +reduce-max_nr_zones-fix-max_nr_zones-array-initializations.patch +reduce-max_nr_zones-make-display-of-highmem-counters-conditional-on-config_highmem.patch +reduce-max_nr_zones-make-display-of-highmem-counters-conditional-on-config_highmem-tidy.patch +reduce-max_nr_zones-move-highmem-counters-into-highmemc-h.patch +reduce-max_nr_zones-page-allocator-zone_highmem-cleanup.patch +reduce-max_nr_zones-use-enum-to-define-zones-reformat-and-comment.patch +reduce-max_nr_zones-use-enum-to-define-zones-reformat-and-comment-cleanup.patch +reduce-max_nr_zones-make-zone_dma32-optional.patch +reduce-max_nr_zones-make-zone_highmem-optional.patch +reduce-max_nr_zones-remove-display-of-counters-for-unconfigured-zones.patch +reduce-max_nr_zones-remove-display-of-counters-for-unconfigured-zones-s390-fix.patch +reduce-max_nr_zones-fix-i386-srat-check-for-max_nr_zones.patch

Memory management updates.

+tiacx-build-fix.patch

Fix acx1xx-wireless-driver.patch

+binfmt_elf-consistently-use-loff_t.patch

binfmt_elf fixlet.

+fdpic-fix-fdpic-compile-errors-2.patch +frv-fix-frv-arch-compile-errors.patch +nommu-fix-execution-off-of-ramfs-with-mmap.patch +fdpic-adjust-the-elf-fdpic-driver-to-conform-more-to-the-codingstyle.patch +fdpic-define-seek_-constants-in-the-linux-kernel-headers.patch +fdpic-move-roundup-into-linux-kernelh.patch +fdpic-move-roundup-into-linux-kernelh-fix.patch +fdpic-add-coredump-capability-for-the-elf-fdpic-binfmt.patch +frv-introduce-asm-offsets-for-frv-arch.patch

FRV/nommu updates

+i386-early-fault-handler.patch +i386-require-acpi-for-numa-with-generic-architecture.patch +add-seccomp_disable_tsc-config-option.patch +i386-defconfig-set-config_pm_std_partition=.patch +get_cmos_time-locking-fix.patch

x86 updates

+swsusp-do-not-use-memcpy-for-snapshotting-memory.patch +swsusp-warning-fix.patch +fix-panic-when-swsusp-signature-cant-be-read.patch +swsusp-write-timer.patch +swsusp-write-speedup.patch +swsusp-read-timer.patch +swsusp-read-speedup.patch +swsusp-read-speedup-fix.patch +swsusp-read-speedup-cleanup.patch +swsusp-read-speedup-cleanup-2.patch

swsusp updates

+cris-switch-to-iminor-imajor.patch +pcf8563-remove-mod_inc_use_count-mod_dec_use_count.patch

cris fixlets.

+uml-clean-up-address-space-limits-code.patch +uml-timer-initialization-cleanup.patch +uml-timer-initialization-cleanup-fix.patch +uml-remove-some-useless-exports.patch +uml-fix-static-binary-segfault.patch +uml-remove-useless-declaration.patch +uml-signal-initialization-cleanup.patch +uml-timer-handler-tidying.patch +uml-ifdef-a-mode-specific-function.patch +uml-mark-forward_interrupts-as-being-mode-specific.patch +uml-remove-spinlock-wrapper-functions.patch +uml-remove-os_isatty.patch +uml-fix-exitcall-ordering-bug.patch +uml-make-some-symbols-static.patch +uml-remove-syscall-debugging.patch +uml-move-_kernc-files.patch +uml-move-_kernc-files-fix.patch +uml-formatting-fixes.patch +uml-add-some-eintr-protection.patch +uml-remove-unused-variable.patch +uml-make-mconsole-version-requests-happen-in-a-process.patch

UML updates

+drivers-edac-make-code-static.patch

EDAC cleanup

+inode-diet-eliminate-i_blksize-and-use-a-per-superblock-default-fix.patch

Fix inode-diet-eliminate-i_blksize-and-use-a-per-superblock-default.patch

-inode-diet-fix-size-of-i_blkbits-i_version-and-i_dnotify_mask.patch

Dropped.

+x86-microcode-add-sysfs-and-hotplug-support-fix-fix.patch

Fix x86-microcode-add-sysfs-and-hotplug-support.patch some more.

+consistently-use-max_errno-in-__syscall_return.patch +consistently-use-max_errno-in-__syscall_return-fix.patch +sanitize-3c589_cs.patch +eisa-bus-modalias-attributes-support-1.patch +add-address_space_operationsbatch_write.patch +add-address_space_operationsbatch_write-tidy.patch +null-terminate-over-long-proc-kallsyms-symbols.patch +fix-weird-logic-in-alloc_fdtable.patch +alloc_fdtable-cleanup.patch +uninline-init_waitqueue_head.patch +aoe-cleanup-i_rdev-usage.patch +remove-leftover-ext3-acl-declarations.patch +reiserfs-warn-about-the-useless-nolargeio-option.patch +pata-pata_qdi-fix-return-code.patch +pata-ide-jmicron-finish-writing.patch +pata-jmicron-it-works-better-if-you-get-the-file-name-right.patch +pata-jmicron-further-clean-up.patch +pata-ata_jmicro-fix-an-escapee.patch +pata-jmicron-jmicron-multifunction-setup.patch +pata-jmicron-missed-one.patch +pata-libata-enable-per-device-speed-setting.patch +remove-kernel-kthreadckthread_stop_sem.patch +include-__param-section-in-read-only-data-range.patch +remove-open_max-check-from-poll-syscall.patch
+# led-class-support-for-soekris-net48xx.patch needs SOB +led-class-support-for-soekris-net48xx.patch +led-class-support-for-soekris-net48xx-fix.patch +pc8736x_gpio-fix-re-modprobe-errors.patch +pc8736x_gpio-fix-re-modprobe-errors-undo-region-reservation.patch +pc8736x_gpio-fix-re-modprobe-errors-fix-finish-cdev-init.patch +pc8736x_gpio-fix-re-modprobe-errors-fix-finish-cdev-init-tidy.patch +snsc-switch-from-force_sig-to-kill_proc.patch +disallow-modular-binfmt_elf32.patch +remove-the-tasklist_lock-export.patch

Misc updates.

+revert-pcmcia-make-ide_cs-work-with-the-memory-space-of-cf-cards-if-io-space-is-not-available.patch

Revert possibly-broken IDE-CS patch.

+vectorize-aio_read-aio_write-fileop-methods.patch +remove-readv-writev-methods-and-use-aio_read-aio_write.patch +streamline-generic_file_-interfaces-and-filemap.patch

Fiddle around with core pagecache APIs, break reiser4.

+per-task-delay-accounting-taskstats-interface-control-exit-data-through-cpumasks.patch +per-task-delay-accounting-taskstats-interface-control-exit-data-through-cpumasks-fix.patch

Improve scalability of the task accounting infrastructure in -mm.

+isdn-cleanup-i_rdev-udage.patch

ISDN cleanup

+knfsd-nfsd4-add-per-operation-server-stats.patch

knfsd update

+reduce-max_nr_zones-swap_prefetch-remove-incorrect-use-of-zone_highmem.patch

Update swap prefetch for other patches in -mm.

+ecryptfs-partial-signed-integer-to-size_t-conversion-updated-ii.patch

Update ecryptfs.

+streamline-generic_file_-interfaces-and-filemap-ecryptfs.patch

Fix ecryptfs for the pagecache fiiddling.

-drivers-ide-legacy-ide-csc-make-2-functions-static.patch

IDE cleanup

+move-ide-to-unmaintained-drop-reference-to-old-git-tree.patch

Seems we don't have an IDE maintainer.

+cirrus-logic-framebuffer-i2c-support.patch
+cirrus-logic-framebuffer-i2c-support-fix.patch

fbdev updates (these need work)

+statistics-infrastructure-update-9.patch

Update statistics-infrastructure.patch

+statistics-replace-inode-ugeneric_ip-with-i_private.patch

Fix it for the inode-diet patches.

-srcu-rcu-variant-permitting-read-side-blocking.patch -srcu-2-rcu-variant-permitting-read-side-blocking.patch -srcu-add-srcu-operations-to-rcutorture.patch -srcu-2-add-srcu-operations-to-rcutorture.patch +srcu-3-rcu-variant-permitting-read-side-blocking.patch +srcu-3-rcu-variant-permitting-read-side-blocking-fix.patch +srcu-3-add-srcu-operations-to-rcutorture.patch

Updated srcu patchset.

+the-scheduled-removal-of-some-oss-drivers-fix.patch

Fix the-scheduled-removal-of-some-oss-drivers.patch

+serial-core-adds-atomic-context-debug-code.patch

Little debugging aid.

All 807 patches:

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc1/2.6.18-rc1-mm1/patch-list

Hi,

[snip]

make headers_install gives the following error

INSTALL include/linux/wavefront.h
sed: can't read /usr/src/linux-mm/include/linux/wavefront.h: No such file or directory make[3]: *** [wavefront.h] Error 2
make[2]: *** [linux] Error 2
make[1]: *** [headers_install] Error 2
make: *** [headers_install] Error 2

We don't use this file anymore.

Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

diff -uprN -X linux-mm/Documentation/dontdiff linux-mm-clean/include/linux/Kbuild linux-mm/include/linux/Kbuild
@@ -28,7 +28,7 @@ header-y += affs_fs.h affs_hardblocks.h
 	sockios.h som.h sound.h stddef.h synclink.h telephony.h		\
 	termios.h ticable.h times.h tiocl.h tipc.h toshiba.h		\
 	ultrasound.h un.h utime.h utsname.h video_decoder.h		\
-	video_encoder.h videotext.h vt.h wavefront.h wireless.h xattr.h	\
+	video_encoder.h videotext.h vt.h wireless.h xattr.h	\
 	x25.h zorro_ids.h
 
 unifdef-y += acct.h adb.h adfs_fs.h agpgart.h apm_bios.h atalk.h	\

This was not present in 2.6.17-mm5:

=======================================================
[ INFO: possible circular locking dependency detected ]
-------------------------------------------------------
cpuspeed/1520 is trying to acquire lock:
(&policy->lock){--..}, at: [<c02c130f>] mutex_lock+0x21/0x24

but task is already holding lock:
(cpucontrol){--..}, at: [<c02c130f>] mutex_lock+0x21/0x24

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #2 (cpucontrol){--..}:

      [<c0135b93>] lock_acquire+0x60/0x80
      [<c02c11aa>] __mutex_lock_slowpath+0xb0/0x1f4
      [<c02c130f>] mutex_lock+0x21/0x24
      [<c0138af1>] __lock_cpu_hotplug+0x36/0x56
      [<c0138b2a>] lock_cpu_hotplug+0xa/0xc
      [<c0268315>] __cpufreq_driver_target+0x15/0x6d
      [<c02691c0>] cpufreq_governor_userspace+0x199/0x1cc
      [<c0267d61>] __cpufreq_governor+0x57/0xd8
      [<c0267f85>] __cpufreq_set_policy+0x1a3/0x1bc
      [<c0267fcb>] cpufreq_set_policy+0x2d/0x6f
      [<c02689f8>] cpufreq_add_dev+0x31a/0x496
      [<c0229463>] sysdev_driver_register+0x5d/0xa0
      [<c0267c5a>] cpufreq_register_driver+0x9e/0x14e
      [<f909009b>] 0xf909009b
      [<c013bb34>] sys_init_module+0x162c/0x17bd
      [<c0102d55>] sysenter_past_esp+0x56/0x8d

-> #1 (userspace_mutex){--..}:

      [<c0135b93>] lock_acquire+0x60/0x80
      [<c02c11aa>] __mutex_lock_slowpath+0xb0/0x1f4
      [<c02c130f>] mutex_lock+0x21/0x24
      [<c026907a>] cpufreq_governor_userspace+0x53/0x1cc
      [<c0267d61>] __cpufreq_governor+0x57/0xd8
      [<c0267f30>] __cpufreq_set_policy+0x14e/0x1bc
      [<c0267fcb>] cpufreq_set_policy+0x2d/0x6f
      [<c02689f8>] cpufreq_add_dev+0x31a/0x496
      [<c0229463>] sysdev_driver_register+0x5d/0xa0
      [<c0267c5a>] cpufreq_register_driver+0x9e/0x14e
      [<f909009b>] 0xf909009b
      [<c013bb34>] sys_init_module+0x162c/0x17bd
      [<c0102d55>] sysenter_past_esp+0x56/0x8d

-> #0 (&policy->lock){--..}:

      [<c0135b93>] lock_acquire+0x60/0x80
      [<c02c11aa>] __mutex_lock_slowpath+0xb0/0x1f4
      [<c02c130f>] mutex_lock+0x21/0x24
      [<c0268159>] store_scaling_governor+0x14c/0x1a3
      [<c026774e>] store+0x37/0x48
      [<c018e72c>] sysfs_write_file+0xab/0xd1
      [<c016053a>] vfs_write+0x86/0xea
      [<c0160ac8>] sys_write+0x3b/0x60
      [<c0102d55>] sysenter_past_esp+0x56/0x8d

other info that might help us debug this:

1 lock held by cpuspeed/1520:
#0: (cpucontrol){--..}, at: [<c02c130f>] mutex_lock+0x21/0x24

stack backtrace:
[<c0103dbb>] show_trace+0xd/0x10
[<c01043af>] dump_stack+0x19/0x1b
[<c0134f00>] print_circular_bug_tail+0x59/0x64
[<c0135736>] __lock_acquire+0x82b/0x9b6
[<c0135b93>] lock_acquire+0x60/0x80
[<c02c11aa>] __mutex_lock_slowpath+0xb0/0x1f4
[<c02c130f>] mutex_lock+0x21/0x24
[<c0268159>] store_scaling_governor+0x14c/0x1a3
[<c026774e>] store+0x37/0x48
[<c018e72c>] sysfs_write_file+0xab/0xd1
[<c016053a>] vfs_write+0x86/0xea
[<c0160ac8>] sys_write+0x3b/0x60
[<c0102d55>] sysenter_past_esp+0x56/0x8d

Yeah, that's lock_cpu_hotplug(). We've made a complete and utter mess of that thing.

And I don't know how to fix it, really. Is it a highly-localised innermost lock? Or a broad-coverage outermost lock? Nobody knows, neither suits.

I'm suspecting is was a bad idea and we should just rip it out altogether.

- If a piece of kernel code is dealing with cpu-local data it needs to be running atomically, and that'll hold off hot hotplug anyway.

- If a piece of kernel code is dealing with per-cpu data and cannot run atomically then it should have its own cpu hotplug handlers anyway. It is up to that code (ie: cpufreq) to provide its own locking against its own CPU hotplug callback.

Voila, no more lock_cpu_hotplug().

These guys don't need lock_cpu_hotplug() today.

This still does not solve this cpufreq problem where it is trying to take the same lock twice down the same call path. Whether it is the lock_cpu_hotplug mutex or another one, the code must be just busted.

SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com 

Err...

s/twice down the same call path/inverted with another lock

SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com 

that is broken beyond discussing anyway... "we don't know our locking rules so we do recursive mutexes" is ... NOT a good reason.

Hi,

This looks like a problem with cpufreq.

=======================================================
[ INFO: possible circular locking dependency detected ]
-------------------------------------------------------
cpuspeed/1426 is trying to acquire lock:
(&inode->i_data.tree_lock){.+..}, at: [<c0151dc7>] find_get_page+0x12/0x70

but task is already holding lock:
(&mm->mmap_sem){----}, at: [<c0116cab>] do_page_fault+0x10d/0x4ea

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #1 (cpucontrol){--..}:

      [<c0139a55>] lock_acquire+0x71/0x91
      [<c02ee288>] __mutex_lock_slowpath+0xd2/0x2f5
      [<c02ee4c7>] mutex_lock+0x1c/0x1f
      [<c013dd3b>] __lock_cpu_hotplug+0x34/0x4c
      [<c013dd6c>] lock_cpu_hotplug+0xa/0xc
      [<c029b587>] __cpufreq_driver_target+0x15/0x50
      [<c029c3ca>] cpufreq_governor_performance+0x1a/0x20
      [<c029a89b>] __cpufreq_governor+0x95/0x18c
      [<c029aa72>] __cpufreq_set_policy+0xe0/0x118
      [<c029af49>] cpufreq_set_policy+0x2d/0x6f
      [<c029bc45>] cpufreq_add_dev+0x3ee/0x4f3
      [<c024dccb>] sysdev_driver_register+0x5e/0x9e
      [<c029be70>] cpufreq_register_driver+0x80/0xf4
      [<fdba202a>] 0xfdba202a
      [<c0140f22>] sys_init_module+0xa6/0x21d
      [<c0103179>] sysenter_past_esp+0x56/0x8d

-> #0 (&inode->i_data.tree_lock){.+..}:

      [<c0139a55>] lock_acquire+0x71/0x91
      [<c02ee288>] __mutex_lock_slowpath+0xd2/0x2f5
      [<c02ee4c7>] mutex_lock+0x1c/0x1f
      [<c029b7f2>] store_scaling_governor+0x14a/0x1a2
      [<c029b223>] store+0x37/0x48
      [<c01a9f4b>] sysfs_write_file+0xa6/0xcc
      [<c0172dab>] vfs_write+0xc9/0x172
      [<c017341d>] sys_write+0x3b/0x71
      [<c0103179>] sysenter_past_esp+0x56/0x8d

other info that might help us debug this:

1 lock held by cpuspeed/1426:
#0: (cpucontrol){--..}, at: [<c02ee4c7>] mutex_lock+0x1c/0x1f

stack backtrace:
[<c01041f0>] show_trace_log_lvl+0x54/0x101
[<c0104827>] show_trace+0xd/0x10
[<c0104949>] dump_stack+0x19/0x1b
[<c0138b99>] print_circular_bug_tail+0x59/0x64
[<c013950a>] __lock_acquire+0x966/0xb39
[<c0139a55>] lock_acquire+0x71/0x91
[<c02ee288>] __mutex_lock_slowpath+0xd2/0x2f5
[<c02ee4c7>] mutex_lock+0x1c/0x1f
[<c029b7f2>] store_scaling_governor+0x14a/0x1a2
[<c029b223>] store+0x37/0x48
[<c01a9f4b>] sysfs_write_file+0xa6/0xcc
[<c0172dab>] vfs_write+0xc9/0x172
[<c017341d>] sys_write+0x3b/0x71
[<c0103179>] sysenter_past_esp+0x56/0x8d

Here is a dmesg log
http://www.stardust.webpages.pl/files/mm/2.6.18-rc1-mm1/mm-dmesg

Here is a config file
http://www.stardust.webpages.pl/files/mm/2.6.18-rc1-mm1/mm-config

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

Sorry, I forgot CC.

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

rofl. You broke lockdep.

Well. I guess it's barely conceivable that you earlier took an oops while holding tree_lock, so lockdep decided that mmap_sem nests inside tree_lock.

Straightforward ab/ba deadlock between cpufreq_policy.lock and lock_cpu_hotplug(). But lockdep got confused about the identity of the lock.

I think it would be justified to disable lockdep in an oops; after all the kernel state can't really be trusted once that happen....

ouch! the lock identifications look quite funny :-| Never saw that happen before, i'm wondering what's going on. Michal, did this happen straight during bootup? Or did you remove/recompile/reinsert any modules perhaps?

Arjan is preparing a patch to turn off lockdep when we crash. Although i dont see any trace of an earlier oops in the dmesg.

Ingo

Hi Ingo,

:)

It's happening while /etc/init.d/cpuspeed execution.

I forgot about "make O=/dir/ clean". When new -mm is out I always remove kernel directory and create new one.

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

ah, ok. So i'll put this under the 'unclean-build artifact' section, i.e. not a lockdep bug for now, it seems. Please re-report if it ever occurs again with a clean kernel build.

Ingo

Unfortunately "make O=/dir clean" doesn't help. I'll disable lockdep, and see what happens.

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

When I set DEBUG_LOCK_ALLOC=n and CONFIG_PROVE_LOCKING=n everything is ok. It maybe a gcc 4.2 bug.

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

well ... if you disable lockdep then you wont get lockdep messages - that's normal. Or did i miss what the bug is about?

Ingo

It's not gcc 4.2 bug.

I'm just checking ;).

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

LTP hangs on

<<<test_output>>>

setrlimit01    1  PASS  :  RLIMIT_NOFILE functionality is correct
setrlimit01    0  WARN  :  caught signal 2, not SIGSEGV

<<<execution_status>>>
duration=1071 termination_type=driver_interrupt termination_id=1 corefile=no cutime=0 cstime=1
<<<test_end>>>

[michal@ltg01-fedora linux-mm]$ ps aux | grep setr
root 5155 99.1 0.0 1612 188 pts/0 R 12:39 20:30 setrlimit01

sudo kill -9 5155

[michal@ltg01-fedora linux-mm]$ ps aux | grep setr
root 5155 99.0 0.0 1612 188 pts/0 R 12:39 20:57 setrlimit01

unkillable process? I'll try to strace this.

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

Here is a strace output
http://www.stardust.webpages.pl/files/mm/2.6.18-rc1-mm1/strace.txt

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

Yep, thanks.

RLIMIT_FSIZE can cause generic_write_checks() to reduce count'. So we cannot assume that count' is equal to the total length size of the incoming iovec.

@@ -2205,9 +2205,9 @@ generic_file_buffered_write(struct kiocb
 	do {
 		/* do not walk over current segment */
 		desc.buf = cur_iov->iov_base + iov_base;
-		desc.count = cur_iov->iov_len - iov_base;
+		desc.count = min(count, cur_iov->iov_len - iov_base);
 		if (desc.count > 0)
-			status = batch_write(file, &desc, &copied);
+			status = (*batch_write)(file, &desc, &copied);
 		else {
 			copied = 0;
 			status = 0;

_

Problem solved, thanks.

Regards,
Michal

Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

Works. Well, it boots without crashing here and has been up for 30 or so minutes without incident or so much as a log entry.

I assume that the bulk of those warnings about the return error codes will be largely dealt with by individual maintainers as there are far too many to post here?

Some minor problems noted - possibly PCI/ACPI related (read on past the IDE bit if that's not your cup of tea).

1. I've disabled the old IDE stuff and enabled Alan's IDE support (CONFIG_SCSI_ATA_GENERIC=y). But it seems to be a bit unhappy with my IDE CD burner:

ata_piix 0000:00:1f.1: version 2.00ac5
ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1f.1 to 64
ata5: PATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x30B0 irq 14 scsi4 : ata_piix
ata5.00: ATAPI, max UDMA/66
ata5.00: configured for UDMA/66
ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata5.00: (BMDMA stat 0x24)
ata5.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata5: soft resetting port
ata5.00: configured for UDMA/66
ata5: EH complete
ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata5.00: (BMDMA stat 0x24)
ata5.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata5: soft resetting port
ata5.00: configured for UDMA/66
Losing some ticks... checking if CPU frequency changed.
ata5: EH complete
ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata5.00: (BMDMA stat 0x24)
ata5.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata5: soft resetting port
ata5.00: configured for UDMA/66
ata5: EH complete
ata5.00: limiting speed to UDMA/44
ata5.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata5.00: (BMDMA stat 0x24)
ata5.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
ata5: soft resetting port
ata5.00: configured for UDMA/44
ata5: EH complete
ata6: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0x30B8 irq 15 scsi5 : ata_piix
ata6: port disabled. ignoring.
ATA: abnormal status 0xFF on port 0x177
SCSI device sda: 586072368 512-byte hdwr sectors (300069 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back

Note also the message midway through about losing some ticks, which if I recall correctly is not new to this -mm release. I'm not sure who to cc about this.

The IDE device obviously ended up not being detected by the system. Usually this device comes up as:

Jul  2 12:03:28 tornado kernel: hda: ATAPI 40X DVD-ROM DVD-R CD-R/RW drive, 2000kB Cache, UDMA(66)

2. Onto some more minor warnings:

ACPI: bus type pci registered
PCI: BIOS Bug: MCFG area at f0000000 is not E820-reserved
PCI: Not using MMCONFIG.
PCI: Using configuration type 1
ACPI: Interpreter enabled

Is there any way to verify that there really is a BIOS bug there? If it is, is there anyone within Intel or are there any known contacts who can push and poke to get this looked at/fixed? (It's a new Intel board, I'd hope they could get it right..).

Plus we're not using MMCONFIG - even though I have it enabled.

Based on previous postings to lkml, I believe Randy Dunlap may have one of these boards too - Randy are you seeing this and the next bunch of warnings I am seeing?

3. Power Management warnings, been there ages, but I've had bigger things to worry about (like fatal oopses) so haven't bothered asking:

Device `[PEX0]' is not power manageable
ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 17 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:00:1c.0 to 64 Device `[PEX2]' is not power manageable
ACPI: PCI Interrupt 0000:00:1c.2[C] -> GSI 18 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1c.2 to 64 Device `[PEX3]' is not power manageable
ACPI: PCI Interrupt 0000:00:1c.3[D] -> GSI 19 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:1c.3 to 64 Device `[PEX4]' is not power manageable
ACPI: PCI Interrupt 0000:00:1c.4[A] -> GSI 17 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:00:1c.4 to 64 Device `[PEX5]' is not power manageable
ACPI: PCI Interrupt 0000:00:1c.5[B] -> GSI 16 (level, low) -> IRQ 16

and

Device `[IDES]' is not power manageable

[root@tornado ~]# cat /proc/interrupts
CPU0 CPU1

  0:     258266          0   IO-APIC-edge     timer
  4:        355          0   IO-APIC-edge     serial
  6:          5          0   IO-APIC-edge     floppy
  8:          1          0   IO-APIC-edge     rtc
  9:          0          0   IO-APIC-fasteoi  acpi
 14:         28          0   IO-APIC-edge     libata
 15:          0          0   IO-APIC-edge     libata
 16:          0          0   IO-APIC-fasteoi  uhci_hcd:usb5
 18:          0          0   IO-APIC-fasteoi  uhci_hcd:usb4
 19:        980          0   IO-APIC-fasteoi  uhci_hcd:usb3, serial
 23:        105          0   IO-APIC-fasteoi  ehci_hcd:usb1, uhci_hcd:usb2
313:      82513          0   PCI-MSI-<NULL>  eth0
314:      57370          0   PCI-MSI-<NULL>  libata
NMI:        217        188
LOC:     258118     257890
ERR:          0
MIS:          0

[root@tornado ~]#

The full dmesg is up at http://www.reub.net/files/kernel/2.6.18-rc1-mm1.dmesg and config is up at http://www.reub.net/files/kernel/2.6.18-rc1-mm1.config

Minor issues and possibly most if not all are not of concern, but occasionally supposedly minor things show up much bigger problems when questions are asked and people start poking around :)

Reuben

Shock. Have you tested suspend-to-ram and suspend-to-disk?

I admire your faith in your fellow man. I'll see what can be done to reduce the warnings by changing some deregistration/removal API functions so they return void. That should remove maybe half of them.

As for the rest I guess we just need to slam that patch into mainline and start bitching at people.

Alan stuff.

John stuff. I suspect it's natural and normal, if the IDE error handling did something rude with interrupt holdoff.

Andi stuff.

ACPI stuff. I suspect the kernel isn't doing anything wrong here.

I don't know what device that is.

Thanks.

Ar Sul, 2006-07-09 am 05:22 -0700, ysgrifennodd Andrew Morton:

More ATAPI devices getting uppity about mode setting.

The new libata should be more polite than that, although since the ATA drive can stall the CPU indefinitely you lose anyway 8(

Can you send me the full hdparm identify stuff for this ?

The old drivers/ide code uses much longer delays than the spec for some ATAPI commands, and it looks as if there is a good reason for doing so ...

That or I've got a mistuning case I've missed.

Alan

It may not be related to ATA. I just reloaded into 2.6.17-mm6 to get the info for Alan and saw it when booting up on that too:

PCI: Setting latency timer of device 0000:00:1d.7 to 64 ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1 Losing some ticks... checking if CPU frequency changed. ehci_hcd 0000:00:1d.7: debug port 1
PCI: cache line size of 128 is not supported by device 0000:00:1d.7

Note it was in a different place in here than in -rc1-mm1 (slightly later in the bootup).

I'm fairly sure it's not new to this release.

sh-3.1# hdparm -I /dev/hda

/dev/hda:

ATAPI CD-ROM, with removable media

        Model Number:       PIONEER DVD-RW  DVR-111D
        Serial Number:      FADC005671WL
        Firmware Revision:  1.23

Standards:
Likely used CD-ROM ATAPI-1
Configuration:
DRQ response: 50us.
Packet size: 12 bytes
Capabilities:
LBA, IORDY(can be disabled)
Buffer size: 64.0kB
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 *udma4
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=240ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* Power Management feature set
* PACKET command feature set
* DEVICE_RESET command
HW reset results:
CBLID- above Vih
Device num = 0 determined by the jumper
sh-3.1#
sh-3.1# hdparm -i /dev/hda

/dev/hda:

Model=PIONEER DVD-RW DVR-111D, FwRev=1.23, SerialNo=
Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic } RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=13395, BuffSize=64kB, MaxMultSect=0
(maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 *udma4
AdvancedPM=no
Drive conforms to: Unspecified: ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5

* signifies the current active mode

sh-3.1#

Reuben

FWIW, the code that ATADRVR (http://www.ata-atapi.com/) uses to issue commands does something like

	write Command register to start command
	if (device == ATAPI)			# i.e. not ATA
		delay(150 msec)
	pound Status / AltStatus, kick DMA engine, whatever else

ATADRVR is open code (for an MS-DOS-level driver), and really worth a read. Between ATADRVR and drivers/ide, you get a pretty good idea about what __field experience__ has shown is needed for ATAPI devices.

Jeff

Greg has patches to relax the checking a bit.

I don't know when he intends to merge them.

Anyways it should be completely harmless - mmconfig does nothing essential right now.

-Andi

I think they are all merged into 2.6.18-rc1, as I do't see any MMCONFIG patches in my tree right now, nor in my queue.

thanks,

greg k-h

Actually that's an x86-64 system, so the timekeeping changes shouldn't really being affecting it.

thanks
-john

Yeah, right. (quoting Kathy Mallory with her usual sarcasm)

I just found 2.6.18-rc1-mm1. I'll build + check. I have an Intel ICH7 motherboard with SATA. Is that close to what you have?

I guess that's from here:

/sys/firmware/acpi/namespace/ACPI/_SB/PCI0/IDES

which contains 2 directories: PRID and SECD. Apparently ATA/IDE primary and secondary controllers, but I'm not sure. Those empty directory structures don't tell me much.

"We" need to fix that <NULL> there.

---
~Randy

Seems that irq_desc[i].handle_irq is msi_irq_wo_maskbit_type or msi_irq_w_maskbit_type and kernel/irq/chip.c:handle_irq_name() doesn't know about that.

handle_irq_name() is a bit of a crock - this info should be in the irq_desc struct or somewhere like that.

I don't get far enough to see that.

Has this already been addressed?

[   82.315906] ----------- [cut here ] --------- [please bite here ] ---------
[   82.329754] Kernel BUG at mm/page_alloc.c:252
[   82.338412] invalid opcode: 0000 [1] SMP 
[   82.346396] last sysfs file: 
[   82.352287] CPU 0 
[   82.356283] Modules linked in:
[   82.362356] Pid: 1, comm: swapper Not tainted 2.6.18-rc1-mm1 #6
[   82.374126] RIP: 0010:[<ffffffff80156911>]  [<ffffffff80156911>] get_page_from_free7
[   82.392140] RSP: 0000:ffff81007f61fdc8  EFLAGS: 00010246
[   82.402700] RAX: 0000000000000000 RBX: ffffffff80456c80 RCX: 0000000000001000
[   82.416892] RDX: 0000000000000000 RSI: ffff8100010cf900 RDI: ffffffff80456c00
[   82.431083] RBP: ffff81007f61fe28 R08: 0000000000000000 R09: 0000000000000000
[   82.445275] R10: 000000000007b9b7 R11: 0000000000000000 R12: ffff8100010cf900
[   82.459467] R13: 0000000000000246 R14: 0000000000000001 R15: ffffffff80456c00
[   82.473659] FS:  0000000000000000(0000) GS:ffffffff8054c000(0000) knlGS:000000000000
[   82.489754] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[   82.501179] CR2: 0000000000000000 CR3: 0000000000101000 CR4: 00000000000006e0
[   82.515372] Process swapper (pid: 1, threadinfo ffff81007f61e000, task ffff81000332)
[   82.531465] Stack:  00000044033d6700 0002802000000000 ffffffff80457b00 0000000100006
[   82.547431]  0000000000000001 0000000000000000 ffff81007f61fe88 ffffffff80457b00
[   82.562177]  0000000000008020 ffffffffff600000 ffffffff80457b00 ffff81000332c760
[   82.576568] Call Trace:
[   82.581779]  [<ffffffff80156a2c>] __alloc_pages+0x6e/0x2c2
[   82.592688]  [<ffffffff801f5b38>] kobject_add+0xd9/0x19a
[   82.603250]  [<ffffffff80156cb3>] get_zeroed_page+0x33/0x5e
[   82.614331]  [<ffffffff8057621d>] spp_getpage+0x17/0x62
[   82.624719]  [<ffffffff80576aa4>] __set_fixmap+0x126/0x202
[   82.635627]  [<ffffffff8056dd67>] vsyscall_init+0x89/0x9b
[   82.646361]  [<ffffffff80107163>] init+0x13b/0x2b4
[   82.655884]  [<ffffffff803b4773>] _spin_unlock_irq+0x9/0xc
[   82.666792]  [<ffffffff801253ec>] schedule_tail+0x43/0xbe
[   82.677527]  [<ffffffff8010a00a>] child_rip+0x8/0x12
[   82.687397]  [<ffffffff80107028>] init+0x0/0x2b4
[   82.696574]  [<ffffffff8010a002>] child_rip+0x0/0x12
[   82.706442] 
[   82.709392] 
[   82.709393] Code: 0f 0b 68 d4 84 3e 80 c2 fc 00 eb ec 48 89 df 48 2b 3d 71 9e 
[   82.728279] RIP  [<ffffffff80156911>] get_page_from_freelist+0x2da/0x387
[   82.741617]  RSP <ffff81007f61fdc8>
[   82.748545]  <0>Kernel panic - not syncing: Attempted to kill init!

Pentium-D 3 GHz, 2 GB RAM, SATA.
config attached.

---
~Randy

CONFIG_DEBUG_VM=n should make that go away.

Yes, I have all of those.

Yes, but Len says that they (*/namespace/*) will be going away.

---
~Randy

Hello,

can't compil it :

  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1

arch/x86_64/kernel/built-in.o: In function `vsyscall_set_cpu':
(.init.text+0x1e87): undefined reference to `smp_call_function_single'
make: *** [.tmp_vmlinux1] Error 1

Please CC to me if some more infos are needed as I am not on the list.

Grégoire FAVRE  http://gregoire.favre.googlepages.com  http://www.gnupg.org

Thanks for your report, it seems x86_64-mm-getcpu-vsyscall.patch broke COMFIG_SMP=n x86_64 compiles.

cu
Adrian

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

Thanks you very much : reverting x86_64-mm-getcpu-vsyscall.patch I can compil it again :-)

Grégoire FAVRE  http://gregoire.favre.googlepages.com  http://www.gnupg.org

This is because of x86_64-mm-getcpu-vsyscall.patch which breaks compilation without SMP and is not obviously fixable.

I think you can safely revert it.

Greetings,
Rafael

Is it not as simple as adding a !SMP implementation of smp_call_function_single(), which just calls the thing?

That works, too.

Like this:

 arch/x86_64/kernel/vsyscall.c |    6 ++++++
 1 files changed, 6 insertions(+)

Index: linux-2.6.18-rc1-mm1/arch/x86_64/kernel/vsyscall.c
===================================================================
@@ -241,10 +241,12 @@ static ctl_table kernel_root_table2[] = 
 
 #endif
 
+#ifdef CONFIG_SMP
 static void __cpuinit write_rdtscp_cb(void *info)
 {
 	write_rdtscp_aux((unsigned long)info);
 }
+#endif
 
 void __cpuinit vsyscall_set_cpu(int cpu)
 {

@@ -254,10 +256,14 @@ void __cpuinit vsyscall_set_cpu(int cpu)
 	node = cpu_to_node[cpu];
 #endif
 	if (cpu_has(&cpu_data[cpu], X86_FEATURE_RDTSCP)) {
+#ifdef CONFIG_SMP
 		/* the notifier is unfortunately not executed on the
 		   target CPU */
 		void *info = (void *)((node << 12) | cpu);
 		smp_call_function_single(cpu, write_rdtscp_cb, info, 0, 1);
+#else
+		write_rdtscp_aux(0);
+#endif
 	}
 
 	/* Store cpu number in limit so that it can be loaded quickly

Sorry will do a proper patch.

-Andi

Following does make the errormessage more descriptive. Will be pushed to kbuild.git soon.
Sample error message (not for real - I provoked it):

FATAL: drivers/net/s2io: sizeof(struct pci_device_id)=33 is not a modulo of the size of section __mod_pci_device_table=160.
Fix definition of struct pci_device_id in mod_devicetable.h

The error is now fatal.

Sam

index 37f67c2..c522f16 100644
@@ -52,6 +52,23 @@ do {                                    
                 sprintf(str + strlen(str), "*");                \
 } while(0)
 
+/**
+ * Check that sizeof(device_id type) are consistent with size of section
+ * in .o file. If in-consistent then userspace and kernel does not agree
+ * on actual size which is a bug.
+ **/
+static void device_id_size_check(const char *modname, const char *device_id,
+				 unsigned long size, unsigned long id_size)
+{
+	if (size % id_size || size < id_size) {
+		fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
+		      "of the size of section __mod_%s_device_table=%lu.\n"
+		      "Fix definition of struct %s_device_id "
+		      "in mod_devicetable.h\n",
+		      modname, device_id, id_size, device_id, size, device_id);
+	}
+}
+
 /* USB is special because the bcdDevice can be matched against a numeric range */
 /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
 static void do_usb_entry(struct usb_device_id *id,

@@ -152,10 +169,8 @@ static void do_usb_table(void *symval, u
 	unsigned int i;
 	const unsigned long id_size = sizeof(struct usb_device_id);
 
-	if (size % id_size || size < id_size) {
-		warn("%s ids %lu bad size "
-		     "(each on %lu)\n", mod->name, size, id_size);
-	}
+	device_id_size_check(mod->name, "usb", size, id_size);
+
 	/* Leave last one: it's the terminator. */
 	size -= id_size;
 

@@ -434,6 +449,7 @@ static inline int sym_is(const char *sym
 
 static void do_table(void *symval, unsigned long size,
 		     unsigned long id_size,
+		     const char *device_id,
 		     void *function,
 		     struct module *mod)
 {

@@ -441,10 +457,7 @@ static void do_table(void *symval, unsig
 	char alias[500];
 	int (*do_entry)(const char *, void *entry, char *alias) = function;
 
-	if (size % id_size || size < id_size) {
-		warn("%s ids %lu bad size "
-		     "(each on %lu)\n", mod->name, size, id_size);
-	}
+	device_id_size_check(mod->name, device_id, size, id_size);
 	/* Leave last one: it's the terminator. */
 	size -= id_size;
 

@@ -476,40 +489,51 @@ void handle_moddevtable(struct module *m
 		+ sym->st_value;
 
 	if (sym_is(symname, "__mod_pci_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct pci_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct pci_device_id), "pci",
 			 do_pci_entry, mod);
 	else if (sym_is(symname, "__mod_usb_device_table"))
 		/* special case to handle bcdDevice ranges */
 		do_usb_table(symval, sym->st_size, mod);
 	else if (sym_is(symname, "__mod_ieee1394_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct ieee1394_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct ieee1394_device_id), "ieee1394",
 			 do_ieee1394_entry, mod);
 	else if (sym_is(symname, "__mod_ccw_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct ccw_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct ccw_device_id), "ccw",
 			 do_ccw_entry, mod);
 	else if (sym_is(symname, "__mod_serio_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct serio_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct serio_device_id), "serio",
 			 do_serio_entry, mod);
 	else if (sym_is(symname, "__mod_pnp_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct pnp_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct pnp_device_id), "pnp",
 			 do_pnp_entry, mod);
 	else if (sym_is(symname, "__mod_pnp_card_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct pnp_card_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct pnp_card_device_id), "pnp_card",
 			 do_pnp_card_entry, mod);
 	else if (sym_is(symname, "__mod_pcmcia_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct pcmcia_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct pcmcia_device_id), "pcmia",
 			 do_pcmcia_entry, mod);
         else if (sym_is(symname, "__mod_of_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct of_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct of_device_id), "of",
 			 do_of_entry, mod);
         else if (sym_is(symname, "__mod_vio_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct vio_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct vio_device_id), "vio",
 			 do_vio_entry, mod);
 	else if (sym_is(symname, "__mod_i2c_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct i2c_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct i2c_device_id), "i2c",
 			 do_i2c_entry, mod);
 	else if (sym_is(symname, "__mod_input_device_table"))
-		do_table(symval, sym->st_size, sizeof(struct input_device_id),
+		do_table(symval, sym->st_size,
+			 sizeof(struct input_device_id), "input",
 			 do_input_entry, mod);
 }
 

On Sun, Jul 09, 2006 at 02:46:40PM +0200, Sam Ravnborg wrote:

Patch below is on top of -rc1 - not -mm by the way. So you will see some minor conflicts with the eisa stuff.

Sam

This patch fixes the following compile error with CONFIG_MODULES=n:

<-- snip -->

...
CC kernel/kallsyms.o
kernel/kallsyms.c: In function ‘get_ksymbol_mod’:
kernel/kallsyms.c:279: error: too many arguments to function ‘module_get_kallsym’ make[1]: *** [kernel/kallsyms.o] Error 1

<-- snip -->

@@ -533,8 +533,8 @@
 
 static inline struct module *module_get_kallsym(unsigned int symnum,
 						unsigned long *value,
-						char *type,
-						char namebuf[128])
+						char *type, char *name,
+						size_t namelen)
 {
 	return NULL;
 }

<-- snip -->

...
CC drivers/scsi/arcmsr/arcmsr_hba.o
drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_remove’:
drivers/scsi/arcmsr/arcmsr_hba.c:410: error: implicit declaration of function ‘arcmsr_free_sysfs_attr’

<-- snip -->

Let's add a proper prototype for arcmsr_free_sysfs_attr().

@@ -468,3 +468,5 @@
 extern void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb);
 extern struct class_device_attribute *arcmsr_host_attrs[];
 extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb);
+void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
+

-
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html

Hello !

Kernel BUG at ...home/legoater/linux/2.6.18-rc1-mm1/mm/page_alloc.c:252
invalid opcode: 0000 [1] SMP
last sysfs file:
CPU 0
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.18-rc1-mm1 #1
RIP: 0010:[<ffffffff8025a119>]  [<ffffffff8025a119>]
get_page_from_freelist+0x2ea/0x3aa
RSP: 0018:ffff810001659d88  EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff81000162ccc0 RCX: ffff8100de776380
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000008010e
RBP: ffff810001659de8 R08: ffff81000162ccce R09: 000000000005ddd1
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8100de776380
R13: 0000000000000286 R14: ffff810080000380 R15: ffff8100de709040
FS:  0000000000000000(0000) GS:ffffffff805dc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000459d28 CR3: 0000000000201000 CR4: 00000000000006e0
Process swapper (pid: 1, threadinfo ffff810001658000, task ffff8100de709040)
Stack:  ffff8100de4ca000 ffffffff80277817 0000000100000000 ffff810080000a80
 0000004400000286 ffff810080000a80 0002802000000000 ffff810080000a80
 0000000000008020 00000000005f0000 ffff810080000a80 ffff8100de709040
Call Trace:
 [<ffffffff80277817>] kfree+0x71/0x79
 [<ffffffff8025a242>] __alloc_pages+0x69/0x2b6
 [<ffffffff802718d5>] alloc_page_interleave+0x3b/0x6f
 [<ffffffff8027196e>] alloc_pages_current+0x65/0x83
 [<ffffffff8025926b>] get_zeroed_page+0x11/0x33
 [<ffffffff80609bd8>] spp_getpage+0x17/0x62
 [<ffffffff80609d4c>] __set_fixmap+0x129/0x20e
 [<ffffffff8060033e>] vsyscall_init+0x89/0x9b
 [<ffffffff80207172>] init+0x145/0x2bb
 [<ffffffff8041c040>] _spin_unlock_irq+0x9/0xc
 [<ffffffff802244cb>] schedule_tail+0x44/0xb7
 [<ffffffff8020a33a>] child_rip+0x8/0x12
 [<ffffffff80315f90>] acpi_ds_init_one_object+0x0/0xa0
 [<ffffffff8020702d>] init+0x0/0x2bb
 [<ffffffff8020a332>] child_rip+0x0/0x12


Code: 0f 0b 68 c3 ea 43 80 c2 fc 00 31 db 0f b6 4d d0 d3 e0 39 c3
RIP  [<ffffffff8025a119>] get_page_from_freelist+0x2ea/0x3aa
 RSP <ffff810001659d88>
 <0>Kernel panic - not syncing: Attempted to kill init!

attached is the config file and full log.

thanks,

C.

#
# Automatically generated make config: don't edit # Linux kernel version: 2.6.18-rc1-mm1
# Sun Jul 9 17:59:22 2006
#
CONFIG_X86_64=y
CONFIG_64BIT=y
CONFIG_X86=y
CONFIG_ZONE_DMA32=y
CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_SEMAPHORE_SLEEPERS=y
CONFIG_MMU=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_X86_CMPXCHG=y
CONFIG_EARLY_PRINTK=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_IOMAP=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_DMI=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32

#
# General setup
#
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SWAP_PREFETCH=y
CONFIG_SYSVIPC=y
CONFIG_IPC_NS=y
CONFIG_POSIX_MQUEUE=y
CONFIG_BSD_PROCESS_ACCT=y
# CONFIG_BSD_PROCESS_ACCT_V3 is not set
# CONFIG_TASKSTATS is not set
CONFIG_SYSCTL=y
CONFIG_UTS_NS=y
CONFIG_AUDIT=y
CONFIG_AUDITSYSCALL=y
# CONFIG_IKCONFIG is not set
# CONFIG_CPUSETS is not set
# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
CONFIG_KLIBC_ERRLIST=y
CONFIG_KLIBC_ZLIB=y
CONFIG_UID16=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
CONFIG_RT_MUTEXES=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SHMEM=y
CONFIG_SLAB=y
CONFIG_VM_EVENT_COUNTERS=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
# CONFIG_SLOB is not set

#
# Loadable module support
#
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_MODVERSIONS=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_KMOD=y
CONFIG_STOP_MACHINE=y

#
# Block layer
#
CONFIG_LBD=y
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_LSF is not set

#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_DEADLINE is not set
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"

#
# Processor type and features
#
CONFIG_X86_PC=y
# CONFIG_X86_VSMP is not set
# CONFIG_MK8 is not set
# CONFIG_MPSC is not set
CONFIG_GENERIC_CPU=y
CONFIG_X86_L1_CACHE_BYTES=128
CONFIG_X86_L1_CACHE_SHIFT=7
CONFIG_X86_INTERNODE_CACHE_BYTES=128
CONFIG_X86_TSC=y
CONFIG_X86_GOOD_APIC=y
CONFIG_MICROCODE=m
CONFIG_MICROCODE_OLD_INTERFACE=y
CONFIG_X86_MSR=y
CONFIG_X86_CPUID=y
CONFIG_X86_HT=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_MTRR=y
CONFIG_SMP=y
CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_BKL=y
CONFIG_NUMA=y
CONFIG_K8_NUMA=y
CONFIG_NODES_SHIFT=6
CONFIG_X86_64_ACPI_NUMA=y
# CONFIG_NUMA_EMU is not set
CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_SELECT_MEMORY_MODEL=y
# CONFIG_FLATMEM_MANUAL is not set
CONFIG_DISCONTIGMEM_MANUAL=y
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_DISCONTIGMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
CONFIG_NEED_MULTIPLE_NODES=y
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MIGRATION=y
CONFIG_RESOURCES_64BIT=y
CONFIG_ADAPTIVE_READAHEAD=y
# CONFIG_READAHEAD_ALLOW_OVERHEADS is not set
CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
CONFIG_OUT_OF_LINE_PFN_TO_PAGE=y
CONFIG_NR_CPUS=8
# CONFIG_HOTPLUG_CPU is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_IOMMU=y
CONFIG_CALGARY_IOMMU=y
CONFIG_SWIOTLB=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
# CONFIG_KEXEC is not set
# CONFIG_CRASH_DUMP is not set
CONFIG_PHYSICAL_START=0x200000
CONFIG_SECCOMP=y
# CONFIG_SECCOMP_DISABLE_TSC is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
# CONFIG_REORDER is not set
CONFIG_K8_NB=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_ISA_DMA_API=y
CONFIG_GENERIC_PENDING_IRQ=y

#
# Power management options
#
CONFIG_PM=y
CONFIG_PM_LEGACY=y
# CONFIG_PM_DEBUG is not set

#
# ACPI (Advanced Configuration and Power Interface) Support #
CONFIG_ACPI=y
CONFIG_ACPI_AC=m
CONFIG_ACPI_BATTERY=m
CONFIG_ACPI_BUTTON=m
CONFIG_ACPI_VIDEO=y
# CONFIG_ACPI_HOTKEY is not set
CONFIG_ACPI_FAN=y
CONFIG_ACPI_DOCK=y
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_THERMAL=y
CONFIG_ACPI_NUMA=y
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_ATLAS is not set
# CONFIG_ACPI_IBM is not set
# CONFIG_ACPI_TOSHIBA is not set CONFIG_ACPI_SONY=m
CONFIG_ACPI_BLACKLIST_YEAR=0
# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_SYSTEM=y
CONFIG_X86_PM_TIMER=y
# CONFIG_ACPI_CONTAINER is not set

#
# CPU Frequency scaling
#
# CONFIG_CPU_FREQ is not set

#
# Bus options (PCI etc.)
#
CONFIG_PCI=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
# CONFIG_PCIEPORTBUS is not set
CONFIG_PCI_MSI=y
# CONFIG_PCI_DEBUG is not set

#
# PCCARD (PCMCIA/CardBus) support
#
# CONFIG_PCCARD is not set

#
# PCI Hotplug Support
#
# CONFIG_HOTPLUG_PCI is not set

#
# Executable file formats / Emulations
#
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=y
CONFIG_IA32_EMULATION=y
# CONFIG_IA32_AOUT is not set
CONFIG_COMPAT=y
CONFIG_SYSVIPC_COMPAT=y

#
# Networking
#
CONFIG_NET=y

#
# Networking options
#
# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
CONFIG_NET_KEY=m
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_ASK_IP_FIB_HASH=y
# CONFIG_IP_FIB_TRIE is not set
CONFIG_IP_FIB_HASH=y
CONFIG_IP_MULTIPLE_TABLES=y
# CONFIG_IP_ROUTE_FWMARK is not set
CONFIG_IP_ROUTE_MULTIPATH=y
# CONFIG_IP_ROUTE_MULTIPATH_CACHED is not set
CONFIG_IP_ROUTE_VERBOSE=y
# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
CONFIG_IP_MROUTE=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_BIC=y

#
# IP: Virtual Server Configuration
#
# CONFIG_IP_VS is not set
# CONFIG_IPV6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
# CONFIG_NETWORK_SECMARK is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set

#
# Core Netfilter Configuration
#
# CONFIG_NETFILTER_NETLINK is not set
# CONFIG_NF_CONNTRACK is not set
# CONFIG_NETFILTER_XTABLES is not set

#
# IP: Netfilter Configuration
#
# CONFIG_IP_NF_CONNTRACK is not set
# CONFIG_IP_NF_QUEUE is not set

#
# DCCP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_DCCP is not set

#
# SCTP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_SCTP is not set

#
# TIPC Configuration (EXPERIMENTAL)
#
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_IEEE80211 is not set

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_SYS_HYPERVISOR is not set

#
# Connector - unified userspace <-> kernelspace linker #
# CONFIG_CONNECTOR is not set

#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set

#
# Parallel port support
#
# CONFIG_PARPORT is not set

#
# Plug and Play support
#
# CONFIG_PNP is not set

#
# Block devices
#
# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=m
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_SX8 is not set
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_BLK_DEV_INITRD=y
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set

#
# ATA/ATAPI/MFM/RLL support
#
CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y

#
# Please see Documentation/ide.txt for help/info on IDE drives #
# CONFIG_BLK_DEV_IDE_SATA is not set
# CONFIG_BLK_DEV_HD_IDE is not set CONFIG_BLK_DEV_IDEDISK=y
CONFIG_IDEDISK_MULTI_MODE=y
CONFIG_BLK_DEV_IDECD=y
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set CONFIG_BLK_DEV_IDESCSI=m
# CONFIG_IDE_TASK_IOCTL is not set

#
# IDE chipset support/bugfixes
#
CONFIG_IDE_GENERIC=y
# CONFIG_BLK_DEV_CMD640 is not set
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_IDEPCI_SHARE_IRQ=y
# CONFIG_BLK_DEV_OFFBOARD is not set
CONFIG_BLK_DEV_GENERIC=y
# CONFIG_BLK_DEV_OPTI621 is not set
# CONFIG_BLK_DEV_RZ1000 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
CONFIG_IDEDMA_PCI_AUTO=y
# CONFIG_IDEDMA_ONLYDISK is not set
# CONFIG_BLK_DEV_AEC62XX is not set
# CONFIG_BLK_DEV_ALI15X3 is not set
# CONFIG_BLK_DEV_AMD74XX is not set
# CONFIG_BLK_DEV_ATIIXP is not set
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_CY82C693 is not set
# CONFIG_BLK_DEV_CS5520 is not set
# CONFIG_BLK_DEV_CS5530 is not set
# CONFIG_BLK_DEV_HPT34X is not set
# CONFIG_BLK_DEV_HPT366 is not set
# CONFIG_BLK_DEV_JMICRON is not set
# CONFIG_BLK_DEV_SC1200 is not set
# CONFIG_BLK_DEV_PIIX is not set
# CONFIG_BLK_DEV_IT821X is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SIS5513 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_IDE_ARM is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_IVB is not set
CONFIG_IDEDMA_AUTO=y
# CONFIG_BLK_DEV_HD is not set

#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
# CONFIG_SCSI_TGT is not set
CONFIG_SCSI_PROC_FS=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_CHR_DEV_OSST=m
CONFIG_BLK_DEV_SR=m
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=m
# CONFIG_CHR_DEV_SCH is not set

#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs #
# CONFIG_SCSI_MULTI_LUN is not set CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y

#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_ATTRS is not set
# CONFIG_SCSI_SAS_DOMAIN_ATTRS is not set

#
# SCSI low-level drivers
#
# CONFIG_ISCSI_TCP is not set
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC7XXX_OLD is not set
# CONFIG_SCSI_AIC79XX is not set
# CONFIG_SCSI_AIC94XX is not set
# CONFIG_SCSI_ARCMSR is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
# CONFIG_MEGARAID_SAS is not set
CONFIG_SCSI_SATA=m
# CONFIG_SCSI_SATA_AHCI is not set
# CONFIG_SCSI_PATA_ALI is not set
# CONFIG_SCSI_PATA_AMD is not set
# CONFIG_SCSI_PATA_ARTOP is not set
# CONFIG_SCSI_PATA_ATIIXP is not set
# CONFIG_SCSI_PATA_CMD64X is not set
# CONFIG_SCSI_PATA_CS5520 is not set
# CONFIG_SCSI_PATA_CS5530 is not set
# CONFIG_SCSI_PATA_CYPRESS is not set
# CONFIG_SCSI_PATA_EFAR is not set
# CONFIG_SCSI_ATA_GENERIC is not set
# CONFIG_SCSI_PATA_HPT366 is not set
# CONFIG_SCSI_PATA_HPT37X is not set
# CONFIG_SCSI_PATA_HPT3X2N is not set
# CONFIG_SCSI_PATA_HPT3X3 is not set
# CONFIG_SCSI_PATA_IT8172 is not set
# CONFIG_SCSI_PATA_IT821X is not set
# CONFIG_SCSI_ATA_JMICRON is not set
# CONFIG_SCSI_PATA_LEGACY is not set
# CONFIG_SCSI_SATA_SVW is not set
# CONFIG_SCSI_PATA_TRIFLEX is not set
# CONFIG_SCSI_PATA_MPIIX is not set
# CONFIG_SCSI_PATA_OLDPIIX is not set
CONFIG_SCSI_ATA_PIIX=m
# CONFIG_SCSI_SATA_MV is not set
# CONFIG_SCSI_PATA_NETCELL is not set
# CONFIG_SCSI_PATA_NS87410 is not set
# CONFIG_SCSI_SATA_NV is not set
# CONFIG_SCSI_PATA_OPTI is not set
# CONFIG_SCSI_PATA_OPTIDMA is not set
# CONFIG_SCSI_PATA_PDC_OLD is not set
# CONFIG_SCSI_PATA_QDI is not set
# CONFIG_SCSI_PATA_RADISYS is not set
# CONFIG_SCSI_PATA_RZ1000 is not set
# CONFIG_SCSI_PATA_SC1200 is not set
# CONFIG_SCSI_PATA_SERVERWORKS is not set
# CONFIG_SCSI_PDC_ADMA is not set
# CONFIG_SCSI_HPTIOP is not set
# CONFIG_SCSI_SATA_QSTOR is not set
# CONFIG_SCSI_PATA_PDC2027X is not set
# CONFIG_SCSI_SATA_PROMISE is not set
# CONFIG_SCSI_SATA_SX4 is not set
# CONFIG_SCSI_SATA_SIL is not set
# CONFIG_SCSI_SATA_SIL24 is not set
# CONFIG_SCSI_PATA_SIL680 is not set
# CONFIG_SCSI_PATA_SIS is not set
# CONFIG_SCSI_SATA_SIS is not set
# CONFIG_SCSI_SATA_ULI is not set
# CONFIG_SCSI_PATA_VIA is not set
# CONFIG_SCSI_SATA_VIA is not set
# CONFIG_SCSI_SATA_VITESSE is not set
CONFIG_SCSI_SATA_INTEL_COMBINED=y
# CONFIG_SCSI_PATA_WINBOND is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_IPS is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_QLOGIC_1280 is not set
# CONFIG_SCSI_QLA_FC is not set
# CONFIG_SCSI_LPFC is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_SRP is not set

#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set

#
# Fusion MPT device support
#
CONFIG_FUSION=y
CONFIG_FUSION_SPI=y
# CONFIG_FUSION_FC is not set
# CONFIG_FUSION_SAS is not set
CONFIG_FUSION_MAX_SGE=128
# CONFIG_FUSION_CTL is not set

#
# IEEE 1394 (FireWire) support
#
# CONFIG_IEEE1394 is not set

#
# I2O device support
#
# CONFIG_I2O is not set

#
# Network device support
#
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set

#
# ARCnet devices
#
# CONFIG_ARCNET is not set

#
# PHY device support
#

#
# Ethernet (10 or 100Mbit)
#
# CONFIG_NET_ETHERNET is not set

#
# Ethernet (1000 Mbit)
#
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
# CONFIG_E1000 is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SIS190 is not set
# CONFIG_SKGE is not set
# CONFIG_SKY2 is not set
# CONFIG_SK98LIN is not set
CONFIG_TIGON3=m
# CONFIG_BNX2 is not set
# CONFIG_QLA3XXX is not set

#
# Ethernet (10000 Mbit)
#
# CONFIG_CHELSIO_T1 is not set
# CONFIG_IXGB is not set
# CONFIG_S2IO is not set
# CONFIG_MYRI10GE is not set

#
# Token Ring devices
#
# CONFIG_TR is not set

#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set

#
# Wan interfaces
#
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_NET_FC is not set
# CONFIG_SHAPER is not set
CONFIG_NETCONSOLE=m
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_RX is not set
CONFIG_NETPOLL_TRAP=y
CONFIG_NET_POLL_CONTROLLER=y

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

#
# Telephony Support
#
# CONFIG_PHONE is not set

#
# Input device support
#
CONFIG_INPUT=y
# CONFIG_INPUT_FF_EFFECTS is not set

#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_INPUT_JOYDEV=m
# CONFIG_INPUT_TSDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set

#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_VSXXXAA is not set
CONFIG_INPUT_JOYSTICK=y
# CONFIG_JOYSTICK_ANALOG is not set
# CONFIG_JOYSTICK_A3D is not set
# CONFIG_JOYSTICK_ADI is not set
# CONFIG_JOYSTICK_COBRA is not set
# CONFIG_JOYSTICK_GF2K is not set
# CONFIG_JOYSTICK_GRIP is not set
# CONFIG_JOYSTICK_GRIP_MP is not set
# CONFIG_JOYSTICK_GUILLEMOT is not set
# CONFIG_JOYSTICK_INTERACT is not set
# CONFIG_JOYSTICK_SIDEWINDER is not set
# CONFIG_JOYSTICK_TMDC is not set
# CONFIG_JOYSTICK_IFORCE is not set
# CONFIG_JOYSTICK_WARRIOR is not set
# CONFIG_JOYSTICK_MAGELLAN is not set
# CONFIG_JOYSTICK_SPACEORB is not set
# CONFIG_JOYSTICK_SPACEBALL is not set
# CONFIG_JOYSTICK_STINGER is not set
# CONFIG_JOYSTICK_TWIDJOY is not set
# CONFIG_JOYSTICK_JOYDUMP is not set
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
# CONFIG_TOUCHSCREEN_MTOUCH is not set
# CONFIG_TOUCHSCREEN_MK712 is not set
CONFIG_INPUT_MISC=y
# CONFIG_INPUT_PCSPKR is not set
# CONFIG_INPUT_UINPUT is not set

#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
# CONFIG_SERIO_SERPORT is not set
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
# CONFIG_SERIO_RAW is not set
# CONFIG_GAMEPORT is not set

#
# Character devices
#
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
# CONFIG_SERIAL_NONSTANDARD is not set

#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_8250_EXTENDED=y
# CONFIG_SERIAL_8250_MANY_PORTS is not set
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_8250_DETECT_IRQ=y
CONFIG_SERIAL_8250_RSA=y

#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_LEGACY_PTYS is not set

#
# IPMI
#
CONFIG_IPMI_HANDLER=y
# CONFIG_IPMI_PANIC_EVENT is not set
# CONFIG_IPMI_DEVICE_INTERFACE is not set
# CONFIG_IPMI_SI is not set
# CONFIG_IPMI_WATCHDOG is not set
# CONFIG_IPMI_POWEROFF is not set

#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_NVRAM is not set
CONFIG_RTC=y
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set

#
# Ftape, the floppy tape device driver
#
CONFIG_AGP=y
CONFIG_AGP_AMD64=y
# CONFIG_AGP_INTEL is not set
# CONFIG_AGP_SIS is not set
# CONFIG_AGP_VIA is not set
# CONFIG_DRM is not set
# CONFIG_MWAVE is not set
# CONFIG_PC8736x_GPIO is not set
CONFIG_RAW_DRIVER=y
CONFIG_MAX_RAW_DEVS=8192
# CONFIG_HPET is not set
CONFIG_HANGCHECK_TIMER=m

#
# TPM devices
#
# CONFIG_TCG_TPM is not set
# CONFIG_TELCLOCK is not set

#
# I2C support
#
# CONFIG_I2C is not set

#
# SPI support
#
# CONFIG_SPI is not set
# CONFIG_SPI_MASTER is not set

#
# Dallas's 1-wire bus
#

#
# Hardware Monitoring support
#
# CONFIG_HWMON is not set
# CONFIG_HWMON_VID is not set

#
# Misc devices
#
CONFIG_IBM_ASM=m

#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
CONFIG_VIDEO_V4L2=y

#
# Digital Video Broadcasting Devices
#
# CONFIG_DVB is not set
# CONFIG_USB_DABUSB is not set

#
# Graphics support
#
CONFIG_FIRMWARE_EDID=y
CONFIG_FB=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_BACKLIGHT is not set
CONFIG_FB_MODE_HELPERS=y
# CONFIG_FB_TILEBLITTING is not set
# CONFIG_FB_CIRRUS is not set
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
# CONFIG_FB_ARC is not set
# CONFIG_FB_ASILIANT is not set
# CONFIG_FB_IMSTT is not set
# CONFIG_FB_VGA16 is not set
CONFIG_FB_VESA=y
# CONFIG_FB_IMAC is not set
# CONFIG_FB_HGA is not set
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_INTEL is not set
# CONFIG_FB_MATROX is not set
# CONFIG_FB_RADEON is not set
# CONFIG_FB_ATY128 is not set
# CONFIG_FB_ATY is not set
# CONFIG_FB_SAVAGE is not set
# CONFIG_FB_SIS is not set
# CONFIG_FB_NEOMAGIC is not set
# CONFIG_FB_KYRO is not set
# CONFIG_FB_3DFX is not set
# CONFIG_FB_VOODOO1 is not set
# CONFIG_FB_TRIDENT is not set
# CONFIG_FB_GEODE is not set
# CONFIG_FB_VIRTUAL is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
# CONFIG_VGACON_SOFT_SCROLLBACK is not set
# CONFIG_VIDEO_SELECT is not set
CONFIG_DUMMY_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE is not set

#
# Logo configuration
#
# CONFIG_LOGO is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set

#
# Sound
#
# CONFIG_SOUND is not set

#
# USB support
#
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
# CONFIG_USB_DEBUG is not set

#
# Miscellaneous USB options
#
CONFIG_USB_DEVICEFS=y
# CONFIG_USB_BANDWIDTH is not set
# CONFIG_USB_DYNAMIC_MINORS is not set
CONFIG_USB_SUSPEND=y
# CONFIG_USB_OTG is not set

#
# USB Host Controller Drivers
#
CONFIG_USB_EHCI_HCD=m
CONFIG_USB_EHCI_SPLIT_ISO=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
# CONFIG_USB_ISP116X_HCD is not set
CONFIG_USB_OHCI_HCD=m
# CONFIG_USB_OHCI_BIG_ENDIAN is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_UHCI_HCD=m
# CONFIG_USB_SL811_HCD is not set

#
# USB Device Class drivers
#
CONFIG_USB_ACM=m
CONFIG_USB_PRINTER=m

#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' #

#

# may also be needed; see USB_STORAGE Help for more information
#
# CONFIG_USB_STORAGE is not set
# CONFIG_USB_LIBUSUAL is not set

#
# USB Input Devices
#
CONFIG_USB_HID=y
CONFIG_USB_HIDINPUT=y
# CONFIG_USB_HIDINPUT_POWERBOOK is not set
CONFIG_USB_HIDDEV=y
# CONFIG_USB_AIPTEK is not set
# CONFIG_USB_WACOM is not set
# CONFIG_USB_ACECAD is not set
# CONFIG_USB_KBTAB is not set
# CONFIG_USB_POWERMATE is not set
# CONFIG_USB_TOUCHSCREEN is not set
# CONFIG_USB_YEALINK is not set
# CONFIG_USB_XPAD is not set
# CONFIG_USB_ATI_REMOTE is not set
# CONFIG_USB_ATI_REMOTE2 is not set
# CONFIG_USB_KEYSPAN_REMOTE is not set
# CONFIG_USB_APPLETOUCH is not set

#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK is not set

#
# USB Network Adapters
#
# CONFIG_USB_CATC is not set
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
# CONFIG_USB_USBNET is not set
CONFIG_USB_MON=y

#
# USB port drivers
#

#
# USB Serial Converter support
#
# CONFIG_USB_SERIAL is not set

#
# USB Miscellaneous drivers
#
# CONFIG_USB_EMI62 is not set
# CONFIG_USB_EMI26 is not set
# CONFIG_USB_AUERSWALD is not set
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_GOTEMP is not set
# CONFIG_USB_PHIDGETKIT is not set
# CONFIG_USB_PHIDGETSERVO is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TEST is not set

#
# USB DSL modem support
#

#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set

#
# MMC/SD Card support
#
# CONFIG_MMC is not set

#
# LED devices
#
# CONFIG_NEW_LEDS is not set

#
# LED drivers
#

#
# LED Triggers
#

#
# InfiniBand support
#
# CONFIG_INFINIBAND is not set
# CONFIG_IPATH_CORE is not set

#
# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) #
# CONFIG_EDAC is not set

#
# Real Time Clock
#
# CONFIG_RTC_CLASS is not set

#
# DMA Engine support
#
# CONFIG_DMA_ENGINE is not set

#
# DMA Clients
#

#
# DMA Devices
#

#
# Firmware Drivers
#
# CONFIG_EDD is not set
# CONFIG_DELL_RBU is not set
# CONFIG_DCDBAS is not set

#
# File systems
#
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=m
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_JBD=m
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISER4_FS is not set
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
CONFIG_QUOTA=y
# CONFIG_QFMT_V1 is not set
CONFIG_QFMT_V2=y
CONFIG_QUOTACTL=y
CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
CONFIG_AUTOFS4_FS=m
# CONFIG_FUSE_FS is not set

#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set

#
# DOS/FAT/NT Filesystems
#
# CONFIG_MSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_NTFS_FS is not set

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set

#
# Miscellaneous filesystems
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set

#
# Network File Systems
#
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
CONFIG_NFS_V4=y
CONFIG_NFS_DIRECTIO=y
CONFIG_NFSD=m
CONFIG_NFSD_V3=y
# CONFIG_NFSD_V3_ACL is not set
CONFIG_NFSD_V4=y
CONFIG_NFSD_TCP=y
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=m
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=m
CONFIG_SUNRPC_GSS=m
CONFIG_RPCSEC_GSS_KRB5=m
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
# CONFIG_9P_FS is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y

#
# Native Language Support
#
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
CONFIG_NLS_ASCII=y
# CONFIG_NLS_ISO8859_1 is not set
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_UTF8 is not set

#
# Distributed Lock Manager
#

#
# Instrumentation Support
#
CONFIG_PROFILING=y
# CONFIG_OPROFILE is not set
# CONFIG_KPROBES is not set

#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_PRINTK_TIME is not set
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_UNUSED_SYMBOLS=y
# CONFIG_DEBUG_SHIRQ is not set
CONFIG_DEBUG_KERNEL=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_SCHEDSTATS is not set
CONFIG_DEBUG_SLAB=y
CONFIG_DEBUG_SLAB_LEAK=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_PI_LIST=y
# CONFIG_RT_MUTEX_TESTER is not set
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
# CONFIG_DEBUG_RWSEMS is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_DEBUG_LOCKING_API_SELFTESTS=y
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_INFO=y
# CONFIG_PAGE_OWNER is not set
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_VM=y
CONFIG_FRAME_POINTER=y
# CONFIG_UNWIND_INFO is not set
# CONFIG_PROFILE_LIKELY is not set
CONFIG_FORCED_INLINING=y
# CONFIG_DEBUG_SYNCHRO_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_DEBUG_RODATA is not set
# CONFIG_IOMMU_DEBUG is not set
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set

#
# Security options
#
# CONFIG_KEYS is not set
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
# CONFIG_SECURITY_NETWORK_XFRM is not set
CONFIG_SECURITY_CAPABILITIES=y
# CONFIG_SECURITY_ROOTPLUG is not set
# CONFIG_SECURITY_SECLVL is not set
# CONFIG_SECURITY_SELINUX is not set

#
# Cryptographic options
#
CONFIG_CRYPTO=y
CONFIG_CRYPTO_MANAGER=m
CONFIG_CRYPTO_HMAC=y
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_MD4 is not set
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_SHA1=y
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_TGR192 is not set
CONFIG_CRYPTO_DES=m
# CONFIG_CRYPTO_BLOWFISH is not set
# CONFIG_CRYPTO_TWOFISH is not set
# CONFIG_CRYPTO_TWOFISH_X86_64 is not set
# CONFIG_CRYPTO_SERPENT is not set
# CONFIG_CRYPTO_AES is not set
# CONFIG_CRYPTO_AES_X86_64 is not set
# CONFIG_CRYPTO_CAST5 is not set
# CONFIG_CRYPTO_CAST6 is not set
# CONFIG_CRYPTO_TEA is not set
# CONFIG_CRYPTO_ARC4 is not set
# CONFIG_CRYPTO_KHAZAD is not set
# CONFIG_CRYPTO_ANUBIS is not set
CONFIG_CRYPTO_DEFLATE=y
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_TEST is not set

#
# Hardware crypto devices
#

#
# Library routines
#
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
CONFIG_CRC32=y
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_PLIST=y

root (hd0,0)
Filesystem type is ext2fs, partition type 0x83
kernel /vmlinuz-2.6.18-rc1-mm1 ro root=LABEL=/1 console=ttyS0,115200n8 rhgb
[Linux-bzImage, setup=0x1400, size=0x1a54ce]
initrd /initrd-2.6.18-rc1-mm1.img
[Linux-initrd @ 0x37f25000, 0xca35a bytes]

Bootdata ok (command line is ro root=LABEL=/1 console=ttyS0,115200n8 rhgb )
Linux version 2.6.18-rc1-mm1 ([email protected]) (gcc version 3.4.5 20051201 (Red Hat 3.4.5-2)) #1 SMP Sun Jul 9 18:08:43 CEST 2006 BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009a400 (usable)
BIOS-e820: 000000000009a400 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000d2000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 00000000dff70000 (usable)
BIOS-e820: 00000000dff70000 - 00000000dff7b000 (ACPI data)
BIOS-e820: 00000000dff7b000 - 00000000dff80000 (ACPI NVS)
BIOS-e820: 00000000dff80000 - 00000000e0000000 (reserved)
BIOS-e820: 00000000fec00000 - 00000000fec00400 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
DMI 2.3 present.
Scanning NUMA topology in Northbridge 24
Number of nodes 2
Node 0 MemBase 0000000000000000 Limit 0000000080000000
Node 1 MemBase 0000000080000000 Limit 00000000dff70000
Using node hash shift of 31
Bootmem setup node 0 0000000000000000-0000000080000000
Bootmem setup node 1 0000000080000000-00000000dff70000
ACPI: PM-Timer IO Port: 0x8008
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
Processor #0 15:5 APIC version 16
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
Processor #1 15:5 APIC version 16
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
ACPI: IOAPIC (id[0x03] address[0xe8000000] gsi_base[24])
IOAPIC[1]: apic_id 3, version 17, address 0xe8000000, GSI 24-27
ACPI: IOAPIC (id[0x04] address[0xe8001000] gsi_base[28])
IOAPIC[2]: apic_id 4, version 17, address 0xe8001000, GSI 28-31
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
Setting APIC routing to flat
ACPI: HPET id: 0x102282a0 base: 0xfed00000
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at e2000000 (gap: e0000000:1ec00000)
Built 2 zonelists. Total pages: 901573
Kernel command line: ro root=LABEL=/1 console=ttyS0,115200n8 rhgb
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 32768 bytes)
Console: colour VGA+ 80x25
------------------------
| Locking API testsuite:
----------------------------------------------------------------------------
| spin |wlock |rlock |mutex | wsem | rsem |
--------------------------------------------------------------------------

                     A-A deadlock:failed|failed|  ok  |failed|failed|failed|
                 A-B-B-A deadlock:failed|failed|  ok  |failed|failed|failed|
             A-B-B-C-C-A deadlock:failed|failed|  ok  |failed|failed|failed|
             A-B-C-A-B-C deadlock:failed|failed|  ok  |failed|failed|failed|
         A-B-B-C-C-D-D-A deadlock:failed|failed|  ok  |failed|failed|failed|
         A-B-C-D-B-D-D-A deadlock:failed|failed|  ok  |failed|failed|failed|
         A-B-C-D-B-C-D-A deadlock:failed|failed|  ok  |failed|failed|failed|
                    double unlock:  ok  |  ok  |failed|  ok  |failed|failed|
                  initialize held:failed|failed|failed|failed|failed|failed|
                 bad unlock order:  ok  |  ok  |  ok  |  ok  |  ok  |  ok  |
  --------------------------------------------------------------------------
              recursive read-lock:             |  ok  |             |failed|
           recursive read-lock #2:             |  ok  |             |failed|
            mixed read-write-lock:             |failed|             |failed|
            mixed write-read-lock:             |failed|             |failed|
  --------------------------------------------------------------------------
     hard-irqs-on + irq-safe-A/12:failed|failed|  ok  |
     soft-irqs-on + irq-safe-A/12:failed|failed|  ok  |
     hard-irqs-on + irq-safe-A/21:failed|failed|  ok  |
     soft-irqs-on + irq-safe-A/21:failed|failed|  ok  |
       sirq-safe-A => hirqs-on/12:failed|failed|  ok  |
       sirq-safe-A => hirqs-on/21:failed|failed|  ok  |
         hard-safe-A + irqs-on/12:failed|failed|  ok  |
         soft-safe-A + irqs-on/12:failed|failed|  ok  |
         hard-safe-A + irqs-on/21:failed|failed|  ok  |
         soft-safe-A + irqs-on/21:failed|failed|  ok  |
    hard-safe-A + unsafe-B #1/123:failed|failed|  ok  |
    soft-safe-A + unsafe-B #1/123:failed|failed|  ok  |
    hard-safe-A + unsafe-B #1/132:failed|failed|  ok  |
    soft-safe-A + unsafe-B #1/132:failed|failed|  ok  |
    hard-safe-A + unsafe-B #1/213:failed|failed|  ok  |
    soft-safe-A + unsafe-B #1/213:failed|failed|  ok  |
    hard-safe-A + unsafe-B #1/231:failed|failed|  ok  |
    soft-safe-A + unsafe-B #1/231:failed|failed|  ok  |
    hard-safe-A + unsafe-B #1/312:failed|failed|  ok  |
    soft-safe-A + unsafe-B #1/312:failed|failed|  ok  |
    hard-safe-A + unsafe-B #1/321:failed|failed|  ok  |
    soft-safe-A + unsafe-B #1/321:failed|failed|  ok  |
    hard-safe-A + unsafe-B #2/123:failed|failed|  ok  |
    soft-safe-A + unsafe-B #2/123:failed|failed|  ok  |
    hard-safe-A + unsafe-B #2/132:failed|failed|  ok  |
    soft-safe-A + unsafe-B #2/132:failed|failed|  ok  |
    hard-safe-A + unsafe-B #2/213:failed|failed|  ok  |
    soft-safe-A + unsafe-B #2/213:failed|failed|  ok  |
    hard-safe-A + unsafe-B #2/231:failed|failed|  ok  |
    soft-safe-A + unsafe-B #2/231:failed|failed|  ok  |
    hard-safe-A + unsafe-B #2/312:failed|failed|  ok  |
    soft-safe-A + unsafe-B #2/312:failed|failed|  ok  |
    hard-safe-A + unsafe-B #2/321:failed|failed|  ok  |
    soft-safe-A + unsafe-B #2/321:failed|failed|  ok  |
      hard-irq lock-inversion/123:failed|failed|  ok  |
      soft-irq lock-inversion/123:failed|failed|  ok  |
      hard-irq lock-inversion/132:failed|failed|  ok  |
      soft-irq lock-inversion/132:failed|failed|  ok  |
      hard-irq lock-inversion/213:failed|failed|  ok  |
      soft-irq lock-inversion/213:failed|failed|  ok  |
      hard-irq lock-inversion/231:failed|failed|  ok  |
      soft-irq lock-inversion/231:failed|failed|  ok  |
      hard-irq lock-inversion/312:failed|failed|  ok  |
      soft-irq lock-inversion/312:failed|failed|  ok  |
      hard-irq lock-inversion/321:failed|failed|  ok  |
      soft-irq lock-inversion/321:failed|failed|  ok  |
      hard-irq read-recursion/123:  ok  |
      soft-irq read-recursion/123:  ok  |
      hard-irq read-recursion/132:  ok  |
      soft-irq read-recursion/132:  ok  |
      hard-irq read-recursion/213:  ok  |
      soft-irq read-recursion/213:  ok  |
      hard-irq read-recursion/231:  ok  |
      soft-irq read-recursion/231:  ok  |
      hard-irq read-recursion/312:  ok  |
      soft-irq read-recursion/312:  ok  |
      hard-irq read-recursion/321:  ok  |
      soft-irq read-recursion/321:  ok  |

--------------------------------------------------------
142 out of 218 testcases failed, as expected. |
----------------------------------------------------
Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
Checking aperture...
CPU 0: aperture @ 0 size 32 MB
No AGP bridge found
Memory: 3599040k/3669440k available (2170k kernel code, 69992k reserved, 1201k data, 236k init) Calibrating delay using timer specific routine.. 4792.47 BogoMIPS (lpj=9584943) Security Framework v1.0.0 initialized
Capability LSM initialized
Mount-cache hash table entries: 256
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
CPU 0/0 -> Node 0
Freeing SMP alternatives: 24k freed
ACPI: Core revision 20060623
Using local APIC timer interrupts.
result 12463290
Detected 12.463 MHz APIC timer.
Booting processor 1/2 APIC 0x1
Initializing CPU#1
Calibrating delay using timer specific routine.. 4785.17 BogoMIPS (lpj=9570340)
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
CPU 1/1 -> Node 1
AMD Opteron(tm) Processor 250 stepping 0a
CPU 1: Syncing TSC to CPU 0.
CPU 1: synchronized TSC with CPU 0 (last diff -5 cycles, maxerr 1285 cycles) Brought up 2 CPUs
testing NMI watchdog ... OK.
time.c: Using 14.318180 MHz WALL HPET GTOD HPET timer.
time.c: Detected 2392.949 MHz processor.
migration_cost=0,526
checking if image is initramfs... it is
Freeing initrd memory: 808k freed
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: Using configuration type 1
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 5 10 11) *7
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 5 *10 11)
ACPI: PCI Interrupt Link [LNKC] (IRQs *3 5 10 11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 5 10 *11)
SCSI subsystem initialized
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
PCI-DMA: Disabling IOMMU.
PCI: Bridge: 0000:00:06.0
IO window: 2000-2fff
MEM window: e8100000-e81fffff
PREFETCH window: e2000000-e20fffff
PCI: Bridge: 0000:00:0a.0
IO window: 3000-3fff
MEM window: e8200000-e82fffff
PREFETCH window: e2100000-e21fffff
PCI: Bridge: 0000:00:0b.0
IO window: 4000-4fff
MEM window: e8300000-e83fffff
PREFETCH window: f0000000-f7ffffff
NET: Registered protocol family 2
IP route cache hash table entries: 131072 (order: 8, 1048576 bytes)
TCP established hash table entries: 131072 (order: 10, 4194304 bytes)
TCP bind hash table entries: 65536 (order: 9, 2097152 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
----------- [cut here ] --------- [please bite here ] ---------

Kernel BUG at ...home/legoater/linux/2.6.18-rc1-mm1/mm/page_alloc.c:252
invalid opcode: 0000 [1] SMP
last sysfs file:
CPU 0
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.18-rc1-mm1 #1
RIP: 0010:[<ffffffff8025a119>]  [<ffffffff8025a119>] get_page_from_freelist+0x2ea/0x3aa
RSP: 0018:ffff810001659d88  EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff81000162ccc0 RCX: ffff8100de776380
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000008010e
RBP: ffff810001659de8 R08: ffff81000162ccce R09: 000000000005ddd1
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8100de776380
R13: 0000000000000286 R14: ffff810080000380 R15: ffff8100de709040
FS:  0000000000000000(0000) GS:ffffffff805dc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000459d28 CR3: 0000000000201000 CR4: 00000000000006e0
Process swapper (pid: 1, threadinfo ffff810001658000, task ffff8100de709040)
Stack:  ffff8100de4ca000 ffffffff80277817 0000000100000000 ffff810080000a80
 0000004400000286 ffff810080000a80 0002802000000000 ffff810080000a80
 0000000000008020 00000000005f0000 ffff810080000a80 ffff8100de709040
Call Trace:
 [<ffffffff80277817>] kfree+0x71/0x79
 [<ffffffff8025a242>] __alloc_pages+0x69/0x2b6
 [<ffffffff802718d5>] alloc_page_interleave+0x3b/0x6f
 [<ffffffff8027196e>] alloc_pages_current+0x65/0x83
 [<ffffffff8025926b>] get_zeroed_page+0x11/0x33
 [<ffffffff80609bd8>] spp_getpage+0x17/0x62
 [<ffffffff80609d4c>] __set_fixmap+0x129/0x20e
 [<ffffffff8060033e>] vsyscall_init+0x89/0x9b
 [<ffffffff80207172>] init+0x145/0x2bb
 [<ffffffff8041c040>] _spin_unlock_irq+0x9/0xc
 [<ffffffff802244cb>] schedule_tail+0x44/0xb7
 [<ffffffff8020a33a>] child_rip+0x8/0x12
 [<ffffffff80315f90>] acpi_ds_init_one_object+0x0/0xa0
 [<ffffffff8020702d>] init+0x0/0x2bb
 [<ffffffff8020a332>] child_rip+0x0/0x12


Code: 0f 0b 68 c3 ea 43 80 c2 fc 00 31 db 0f b6 4d d0 d3 e0 39 c3
RIP  [<ffffffff8025a119>] get_page_from_freelist+0x2ea/0x3aa
 RSP <ffff810001659d88>
 <0>Kernel panic - not syncing: Attempted to kill init!

	VM_BUG_ON((gfp_flags & (__GFP_WAIT | __GFP_HIGHMEM)) == __GFP_HIGHMEM);

With your config, __GFP_HIGHMEM=0, so wham.

I dunno, Christoph. I think those patches are going to significantly increase the number of works-with-my-config, doesnt-with-yours scenarios.

We're going to hurt ourselves if we do this.

This particular one has no chance to work on x86_64 at all. So well, which one is it?

Rafael

Fortunately in -mm we can make this BUG go away by setting CONFIG_DEBUG_VM=n.

But in 2.6.18-rc1 that's a simple BUG_ON().

I don't understand that question, sorry. Right now, I'm inclined to drop the patches:

reduce-max_nr_zones-remove-two-strange-uses-of-max_nr_zones.patch reduce-max_nr_zones-fix-max_nr_zones-array-initializations.patch reduce-max_nr_zones-make-display-of-highmem-counters-conditional-on-config_highmem.patch reduce-max_nr_zones-make-display-of-highmem-counters-conditional-on-config_highmem-tidy.patch reduce-max_nr_zones-move-highmem-counters-into-highmemc-h.patch reduce-max_nr_zones-page-allocator-zone_highmem-cleanup.patch reduce-max_nr_zones-use-enum-to-define-zones-reformat-and-comment.patch reduce-max_nr_zones-use-enum-to-define-zones-reformat-and-comment-cleanup.patch reduce-max_nr_zones-make-zone_dma32-optional.patch reduce-max_nr_zones-make-zone_highmem-optional.patch reduce-max_nr_zones-remove-display-of-counters-for-unconfigured-zones.patch reduce-max_nr_zones-remove-display-of-counters-for-unconfigured-zones-s390-fix.patch reduce-max_nr_zones-fix-i386-srat-check-for-max_nr_zones.patch

It's a question of whether the runtime gain merits the additional developer load. Hard call.

I meant which of the patches added this VM_BUG_ON(). Sorry for not being clear.

Rafael

Hmm.. What this should be then is

VM_BUG_ON(gfp_flags & __GFP_WAIT)

in case of !CONFIG_HIGHMEM

So (not that nice though...)

Index: linux-2.6.17-mm6/mm/page_alloc.c
===================================================================
@@ -255,7 +255,11 @@ static inline void prep_zero_page(struct
 {
 	int i;
 
+#ifdef CONFIG_HIGHMEM
 	VM_BUG_ON((gfp_flags & (__GFP_WAIT | __GFP_HIGHMEM)) == __GFP_HIGHMEM);
+#else
+	VM_BUG_ON((gfp_flags & __GFP_WAIT);
+#endif
 	/*
 	 * clear_highpage() will use KM_USER0, so it's a bug to use __GFP_ZERO
 	 * and __GFP_HIGHMEM from hard or soft interrupt context.

Wrong.

Disregard the earlier stuff. Sigh.

Index: linux-2.6.17-mm6/mm/page_alloc.c
===================================================================
@@ -255,7 +255,9 @@ static inline void prep_zero_page(struct
 {
 	int i;
 
+#ifdef CONFIG_HIGHMEM
 	VM_BUG_ON((gfp_flags & (__GFP_WAIT | __GFP_HIGHMEM)) == __GFP_HIGHMEM);
+#endif
 	/*
 	 * clear_highpage() will use KM_USER0, so it's a bug to use __GFP_ZERO
 	 * and __GFP_HIGHMEM from hard or soft interrupt context.

On the other hand we also clean up a lot of strange uses of HIGHMEM. The more we increase common memory the more we will go to 64 bit configurationa and at that point we want HIGHMEM to have the least impact possible.

Hmm... Actually we could leave __GFP_HIGHMEM at it prior value since GFP_ZONEMASK masks it out anyways. Need to test this though. This may also make some of the __GFP_DMA32 ifdefs unnecessary.

The advantages of zone reduction are:

1. It shortens traversal times of zones lists and significantly reduces the amounts of cachelines touched (all the for_each_zone constructs). See __drain_pages, nr_free_pages, show_free_areas, multiple uses in swap prefetch, shrink_all_zones, shrink_all_memory, refresh_cpu_vm_stats.

2. It reduces the number of allocations for pagesets significantly. In an extreme case (1024p 1024 nodes) we currently have 4*1024*4*1024 = 16 mio allocations of pagesets. The reduction brings that down to 2*1024*2*1024 = 4 mio. The number of pagesets grows by the square.

3. The macro changes allow lots of tests to be performed at compile time rather than at run time.

4. The changes in mmzone.h allow easy additions/removal of zones should this become necessary in the future.

5. Clean up the output from /proc/meminfo /proc/vmstat /sys/devices/system/node/nodeX/meminfo for the !CONFIG_HIGHMEM case.

6. Shrink zones struct through removal of useless counters and shrink pgdat structure by reducing the size of node_zonelists.

7. The reduces zonelists significantly reduce the work to build the zonelists at startup time.

Here is the patch that fixes __GFP_DMA32 and __GFP_HIGHMEM to always be nonzero. However, after the #ifdef in my last patch there is no remaining instance of this left. The cure here adds some complexity:

Avoid __GFP_xx becoming 0

We sometimes do comparisons like

xx & (__GFP_x| __GFP_y)) == GFP_y

This becomes a problem if GFP_y is redefined to be zero.

Both __GFP_HIGHMEM (caused by me) and __GFP_DMA32 (was this way before) can become zero in order to cause a fall back to ZONE_NORMAL.

We also have a GFP_MASK that is applied before indexing into the nodelists array. We can use that mask to avoid having both become zero and instead use the GFP_MASK to clear the respective bits before retrieving the zonelist.

- Remove #ifdefs that cause __GFP_HIGHMEM or __GFP_DMA32 to become zero.

- GFP_MASK works nicely to cause fall back to ZONE_NORMAL except if CONFIG_ZONE_DMA32 and !CONFIG_HIGHMEM are set. In that case the fallback to ZONE_NORMAL does not work. So add a special case to mmzone.h to define a special mask that switches off the highmem bit for this particular configuration.

Index: linux-2.6.18-rc1-mm1/include/linux/gfp.h
===================================================================
@@ -12,17 +12,10 @@ struct vm_area_struct;
  */
 /* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low three bits) */
 #define __GFP_DMA	((__force gfp_t)0x01u)
-
-#ifdef CONFIG_HIGHMEM
 #define __GFP_HIGHMEM	((__force gfp_t)0x02u)
-#else
-#define __GFP_HIGHMEM	((__force gfp_t)0x00)	/* NORMAL is HIGHMEM */
-#endif
 
-#ifndef CONFIG_ZONE_DMA32
+#if !defined(CONFIG_ZONE_DMA32) && BITS_PER_LONG >= 64
 #define __GFP_DMA32	((__force gfp_t)0x01)	/* ZONE_DMA is ZONE_DMA32 */
-#elif BITS_PER_LONG < 64
-#define __GFP_DMA32	((__force gfp_t)0x00)	/* ZONE_NORMAL is ZONE_DMA32 */
 #else
 #define __GFP_DMA32	((__force gfp_t)0x04)	/* Has own ZONE_DMA32 */
 #endif

Index: linux-2.6.18-rc1-mm1/include/linux/mmzone.h
===================================================================
@@ -162,18 +162,33 @@ enum zone_type {
  *
  * NOTE! Make sure this matches the zones in <linux/gfp.h>
  */
-#define GFP_ZONETYPES		((GFP_ZONEMASK + 1) / 2 + 1)    /* Loner */
 
 #ifdef CONFIG_ZONE_DMA32
+
+#ifdef CONFIG_HIGHMEM
+#define GFP_ZONETYPES		((GFP_ZONEMASK + 1) / 2 + 1)    /* Loner */
 #define GFP_ZONEMASK		0x07
-#define	ZONES_SHIFT		2	/* ceil(log2(MAX_NR_ZONES)) */
+#define ZONES_SHIFT		2	/* ceil(log2(MAX_NR_ZONES)) */
+#else
+#define GFP_ZONETYPES		((0x07 + 1) / 2 + 1)    /* Loner */
+/* Mask __GFP_HIGHMEM */
+#define GFP_ZONEMASK		0x05
+#define ZONES_SHIFT		2
+#endif
+
 #else
 #ifdef CONFIG_HIGHMEM
+
 #define GFP_ZONEMASK		0x03
-#define	ZONES_SHIFT		2
+#define ZONES_SHIFT		2
+#define GFP_ZONETYPES		3
+
 #else
+
 #define GFP_ZONEMASK		0x01
 #define ZONES_SHIFT		1
+#define GFP_ZONETYPES		2
+
 #endif
 #endif
 

My 2.6.18-rc1-mm1 is now much more friendly with the last 2 patches.

Thanks !

C.

Confirmed.

Thanks,
Rafael

There are stil problems with initializing the bt878 chip. I'm not sure if it is the same bug, but I had problems with all -mm versions since 2.6.17-mm1
Screenshot:
http://stud4.tuwien.ac.at/~e0227135/kernel/060709_190546.jpg

I'm sorry about the quality, but I have only a mobile here.

hth,
dominik

Right - this is one of those mysterious crashes deep in sysfs from calling code which basically hasn't changed. Mauro and Greg are vacationing or otherwise offline so not much is likely to happen short-term.

Is 2.6.18-rc1 OK?

Em Dom, 2006-07-09 às 13:24 -0700, Andrew Morton escreveu:

I should be returning back from vacations by the end of this week.

About the errors you are suffering, image is not clean enough to allow reading the log. There were some changes on -mm that may affect people with third-party drivers (like, for example, some webcam drivers). This is due to a change at video_device structure, used to register video devices. Several third-party drivers just have a copy of videodev.h. So, those drivers compile using the old struct definition, but tries to register the device by calling a function that is expecting the newer struct. Maybe this is your case.

Cheers,
Mauro.

hi,
thx for your reply, but I'm not using any binary drivers, neither other external driver sources.

I will check it tomorrow and let you know if it works!

cheers,
dominik

It's the same bug with 2.6.18-rc1.

cheers,
dominik

This patch makes the needlessly global longhaul_walk_callback() static.

@@ -524,9 +524,9 @@
 	return calc_speed(longhaul_get_cpu_mult());
 }
 
-acpi_status longhaul_walk_callback(acpi_handle obj_handle,
-				  u32 nesting_level,
-				  void *context, void **return_value)
+static acpi_status longhaul_walk_callback(acpi_handle obj_handle,
+					  u32 nesting_level,
+					  void *context, void **return_value)
 {
 	struct acpi_device *d;
 

My bad... I have applied this to my local view.

Andrew, please apply.

Thanx, Paul