acpi bug/trace in 2.6.0-test2 and resulting scsi failure

Hello,

I just experienced a bug which made my scsi bus unusable:

Aug  6 23:56:49 kakerlak kernel: irq 7: nobody cared!
Aug  6 23:56:49 kakerlak kernel: Call Trace:
Aug  6 23:56:49 kakerlak kernel:  [__report_bad_irq+42/144]
__report_bad_irq+0x2a/0x90
Aug  6 23:56:49 kakerlak kernel:  [note_interrupt+108/160]
note_interrupt+0x6c/0xa0
Aug  6 23:56:49 kakerlak kernel:  [do_IRQ+288/304] do_IRQ+0x120/0x130
Aug  6 23:56:49 kakerlak kernel:  [common_interrupt+24/32]
common_interrupt+0x18/0x20
Aug  6 23:56:49 kakerlak kernel:  [do_softirq+64/160]
do_softirq+0x40/0xa0
Aug  6 23:56:49 kakerlak kernel:  [do_IRQ+252/304] do_IRQ+0xfc/0x130
Aug  6 23:56:49 kakerlak kernel:  [common_interrupt+24/32]
common_interrupt+0x18/0x20
Aug  6 23:56:49 kakerlak kernel:  [acpi_processor_idle+213/455]
acpi_processor_idle+0xd5/0x1c7
Aug  6 23:56:49 kakerlak kernel:  [acpi_processor_idle+0/455]
acpi_processor_idle+0x0/0x1c7
Aug  6 23:56:49 kakerlak last message repeated 2 times
Aug  6 23:56:49 kakerlak kernel:  [cpu_idle+47/64] cpu_idle+0x2f/0x40
Aug  6 23:56:49 kakerlak kernel:  [_stext+0/96] rest_init+0x0/0x60
Aug  6 23:56:49 kakerlak kernel:  [start_kernel+323/336]
start_kernel+0x143/0x150
Aug  6 23:56:49 kakerlak kernel:  [unknown_bootoption+0/256]
unknown_bootoption+0x0/0x100
Aug  6 23:56:49 kakerlak kernel:
Aug  6 23:56:49 kakerlak kernel: handlers:
Aug  6 23:56:49 kakerlak kernel: [acpi_irq+0/22] (acpi_irq+0x0/0x16)
Aug  6 23:56:49 kakerlak kernel: Disabling IRQ #7

...

Aug  7 00:02:28 kakerlak kernel: scsi0: PCI error Interrupt at
seqaddr = 0x7
Aug  7 00:02:28 kakerlak kernel: scsi0: Data Parity Error Detected
during address or write data phase
Aug  7 00:02:28 kakerlak kernel: scsi0: WARNING WARNING WARNING WARNING
Aug  7 00:02:28 kakerlak kernel: scsi0: Too many PCI parity errors
observed as a target.
Aug  7 00:02:28 kakerlak kernel: scsi0: Some device on this bus is
generating bad parity.
Aug  7 00:02:28 kakerlak kernel: scsi0: This is an error *observed by*,
not *generated by*, this controller.
Aug  7 00:02:28 kakerlak kernel: scsi0: PCI parity error checking has
been disabled.
Aug  7 00:02:28 kakerlak kernel: scsi0: WARNING WARNING WARNING WARNING

I'm not sure, if those two messages are related, but it seems so. Normally my scsi bus doesn't terminate operation.

Here's my /proc/interrupts:

CPU0

0:   52199369          XT-PIC  timer
1:      82327          XT-PIC  i8042
2:          0          XT-PIC  cascade
7:     101240          XT-PIC  acpi
8:          4          XT-PIC  rtc
9:      13477          XT-PIC  CMI8738
10:    3058160          XT-PIC  aic7xxx, eth1
11:     205526          XT-PIC  ide2, ide3
12:     815064          XT-PIC  uhci-hcd,
uhci-hcd, eth0
14:     213620          XT-PIC  ide0
15:     200388          XT-PIC  ide1
NMI:          0 
LOC:   52200312 
ERR:       1240
MIS:          0

My lsmod:

wiktor@kakerlak:~/uni/sysng/informatik/II/uebungen$ lsmod
Module                  Size  Used by
ppp_deflate             4736  0 
zlib_deflate           21080  1 ppp_deflate
zlib_inflate           21184  1 ppp_deflate
bsd_comp                5312  0 
ppp_async               9280  1 
vfat                   12928  0 
fat                    40960  1 vfat

and my .config:

CONFIG_X86=y
CONFIG_MMU=y
CONFIG_UID16=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_EXPERIMENTAL=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_KALLSYMS=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_OBSOLETE_MODPARM=y
CONFIG_KMOD=y
CONFIG_X86_PC=y
CONFIG_MK7=y
CONFIG_X86_CMPXCHG=y
CONFIG_X86_XADD=y
CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_INTEL_USERCOPY=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
CONFIG_X86_USE_3DNOW=y
CONFIG_PREEMPT=y
CONFIG_X86_UP_APIC=y
CONFIG_X86_UP_IOAPIC=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_TSC=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_NONFATAL=y
CONFIG_X86_MSR=y
CONFIG_X86_CPUID=y
CONFIG_EDD=y
CONFIG_NOHIGHMEM=y
CONFIG_MTRR=y
CONFIG_HAVE_DEC_LOCK=y
CONFIG_PM=y
CONFIG_SOFTWARE_SUSPEND=y
CONFIG_ACPI=y
CONFIG_ACPI_BOOT=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_SLEEP_PROC_FS=y
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_FAN=y
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_THERMAL=y
CONFIG_ACPI_BUS=y
CONFIG_ACPI_INTERPRETER=y
CONFIG_ACPI_EC=y
CONFIG_ACPI_POWER=y
CONFIG_ACPI_PCI=y
CONFIG_ACPI_SYSTEM=y
CONFIG_PCI=y
CONFIG_PCI_GOANY=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_NAMES=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_AOUT=m
CONFIG_BINFMT_MISC=m
CONFIG_BLK_DEV_FD=m
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=m
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_IDEDISK_MULTI_MODE=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_GENERIC=y
CONFIG_IDEPCI_SHARE_IRQ=y
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_IDEDMA_ONLYDISK=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_BLK_DEV_ADMA=y
CONFIG_BLK_DEV_HPT366=y
CONFIG_BLK_DEV_VIA82CXXX=y
CONFIG_IDEDMA_AUTO=y
CONFIG_BLK_DEV_IDE_MODES=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_BLK_DEV_SR=y
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=m
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_REPORT_LUNS=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
CONFIG_SCSI_AIC7XXX=y
CONFIG_AIC7XXX_CMDS_PER_DEVICE=64
CONFIG_AIC7XXX_RESET_DELAY_MS=2000
CONFIG_AIC7XXX_DEBUG_MASK=0
CONFIG_MD=y
CONFIG_BLK_DEV_MD=y
CONFIG_MD_RAID0=y
CONFIG_MD_RAID1=y
CONFIG_MD_RAID5=y
CONFIG_BLK_DEV_DM=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_NETLINK_DEV=y
CONFIG_NETFILTER=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_FWMARK=y
CONFIG_IP_ROUTE_TOS=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_ARPD=y
CONFIG_INET_ECN=y
CONFIG_SYN_COOKIES=y
CONFIG_IP_NF_CONNTRACK=y
CONFIG_IP_NF_FTP=y
CONFIG_IP_NF_IRC=y
CONFIG_IP_NF_TFTP=m
CONFIG_IP_NF_AMANDA=m
CONFIG_IP_NF_QUEUE=y
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_MATCH_LIMIT=y
CONFIG_IP_NF_MATCH_MAC=y
CONFIG_IP_NF_MATCH_PKTTYPE=y
CONFIG_IP_NF_MATCH_MARK=y
CONFIG_IP_NF_MATCH_MULTIPORT=y
CONFIG_IP_NF_MATCH_TOS=m
CONFIG_IP_NF_MATCH_RECENT=y
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_DSCP=m
CONFIG_IP_NF_MATCH_AH_ESP=m
CONFIG_IP_NF_MATCH_LENGTH=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_MATCH_TCPMSS=m
CONFIG_IP_NF_MATCH_HELPER=m
CONFIG_IP_NF_MATCH_STATE=y
CONFIG_IP_NF_MATCH_CONNTRACK=y
CONFIG_IP_NF_MATCH_UNCLEAN=y
CONFIG_IP_NF_MATCH_OWNER=m
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_TARGET_REJECT=y
CONFIG_IP_NF_TARGET_MIRROR=m
CONFIG_IP_NF_NAT=y
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=y
CONFIG_IP_NF_TARGET_REDIRECT=m
CONFIG_IP_NF_NAT_SNMP_BASIC=m
CONFIG_IP_NF_NAT_IRC=y
CONFIG_IP_NF_NAT_FTP=y
CONFIG_IP_NF_NAT_TFTP=m
CONFIG_IP_NF_NAT_AMANDA=m
CONFIG_IP_NF_MANGLE=y
CONFIG_IP_NF_TARGET_TOS=y
CONFIG_IP_NF_TARGET_ECN=y
CONFIG_IP_NF_TARGET_DSCP=m
CONFIG_IP_NF_TARGET_MARK=y
CONFIG_IP_NF_TARGET_LOG=y
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_IP_NF_TARGET_TCPMSS=m
CONFIG_IPV6_SCTP__=y
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=y
CONFIG_NET_SCH_HTB=m
CONFIG_NET_SCH_CSZ=m
CONFIG_NET_SCH_PRIO=y
CONFIG_NET_SCH_RED=m
CONFIG_NET_SCH_SFQ=y
CONFIG_NET_SCH_TEQL=m
CONFIG_NET_SCH_TBF=m
CONFIG_NET_SCH_GRED=m
CONFIG_NET_SCH_DSMARK=m
CONFIG_NET_SCH_INGRESS=y
CONFIG_NET_QOS=y
CONFIG_NET_ESTIMATOR=y
CONFIG_NET_CLS=y
CONFIG_NET_CLS_TCINDEX=y
CONFIG_NET_CLS_ROUTE4=m
CONFIG_NET_CLS_ROUTE=y
CONFIG_NET_CLS_FW=y
CONFIG_NET_CLS_U32=y
CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_POLICE=y
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_MII=m
CONFIG_NET_VENDOR_3COM=y
CONFIG_VORTEX=y
CONFIG_NET_PCI=y
CONFIG_SIS900=y
CONFIG_PPP=y
CONFIG_PPP_MULTILINK=y
CONFIG_PPP_FILTER=y
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPPOE=y
CONFIG_SLIP=y
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
CONFIG_INPUT=y
CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_SOUND_GAMEPORT=y
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_CORE=y
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
CONFIG_I2C=y
CONFIG_I2C_ALGOBIT=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_VIAPRO=y
CONFIG_SENSORS_VIA686A=y
CONFIG_I2C_SENSOR=y
CONFIG_RTC=y
CONFIG_AGP=y
CONFIG_AGP_VIA=y
CONFIG_DRM=y
CONFIG_DRM_TDFX=y
CONFIG_VIDEO_DEV=y
CONFIG_VIDEO_PROC_FS=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_JBD=y
CONFIG_AUTOFS_FS=m
CONFIG_AUTOFS4_FS=y
CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
CONFIG_ZISOFS_FS=m
CONFIG_FAT_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
CONFIG_PROC_FS=y
CONFIG_DEVPTS_FS=y
CONFIG_TMPFS=y
CONFIG_RAMFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_NFS_V4=y
CONFIG_NFSD=y
CONFIG_NFSD_V3=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_TCP=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=y
CONFIG_SUNRPC=y
CONFIG_SMB_FS=m
CONFIG_CIFS=m
CONFIG_CODA_FS=m
CONFIG_MSDOS_PARTITION=y
CONFIG_SMB_NLS=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_UTF8=y
CONFIG_FB=y
CONFIG_FB_MATROX=m
CONFIG_FB_MATROX_MILLENIUM=y
CONFIG_FB_3DFX=y
CONFIG_VGA_CONSOLE=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_LOGO=y
CONFIG_LOGO_LINUX_CLUT224=y
CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_SEQUENCER=y
CONFIG_SND_OSSEMUL=y
CONFIG_SND_MIXER_OSS=y
CONFIG_SND_RTCTIMER=y
CONFIG_SND_CMIPCI=y
CONFIG_SND_VIA82XX=y
CONFIG_USB=y
CONFIG_USB_DEVICEFS=y
CONFIG_USB_BANDWIDTH=y
CONFIG_USB_UHCI_HCD=y
CONFIG_USB_PRINTER=y
CONFIG_USB_STORAGE=m
CONFIG_USB_HID=y
CONFIG_USB_HIDINPUT=y
CONFIG_DEBUG_KERNEL=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_X86_EXTRA_IRQS=y
CONFIG_X86_FIND_SMP_CONFIG=y
CONFIG_X86_MPPARSE=y
CONFIG_ZLIB_INFLATE=m
CONFIG_ZLIB_DEFLATE=m
CONFIG_X86_BIOS_REBOOT=y

The kernel was patched with Con's O12, but I don't think the scheduler messed up.
THe wrong boot command line is global_enable_wol=Y, a leftover from my wake-on-lan playing. I already removed it.

Regards,

Wiktor Wodecki