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New: ssb module segfaults on starting the system

Bugme-new Andrew Morton 1 participant 1 message Feb 5, 2008 1 message not in the archive

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A message that is not in the archive (sent off-list or not yet received): [email protected]/

Andrew Morton

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Quoted 60 lines · On Tue, 5 Feb 2008 13:42:18 -0800 (PST) [email protected] wrote:

http://bugzilla.kernel.org/show_bug.cgi?id=9895

           Summary: ssb module segfaults on starting the system
           Product: Drivers
           Version: 2.5
     KernelVersion: 2.6.24
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Other
        AssignedTo: [email protected]
        ReportedBy: [email protected]

Latest working kernel version: 2.6.23 (ssb wasn't included) Earliest failing kernel version: 2.6.24
Distribution: Debian Sid
Hardware Environment: HP Compaq 6715s Notebook
Problem Description:
Since kernel 2.6.24, this ssb module has been added and I can't deselect it, because it's needed for the wireless b43 driver.

On starting the kernel, I get following:

WARNING: at drivers/ssb/main.c:883 ssb_tmslow_reject_bitmask()
Pid: 1537, comm: modprobe Not tainted 2.6.24-gnu #1
 [<f89a07ee>] ssb_tmslow_reject_bitmask+0x4b/0x56 [ssb]
 [<f89a0ee2>] ssb_device_is_enabled+0x9/0x2d [ssb]
 [<f89a2965>] ssb_pcicore_init+0x11/0x35 [ssb]
 [<f89a0596>] ssb_attach_queued_buses+0x8a/0x297 [ssb]
 [<f89a2174>] ssb_pci_xtal+0x1ce/0x1ea [ssb]
 [<f89a0aec>] ssb_bus_register+0x120/0x185 [ssb]
 [<f89a1aaa>] ssb_pci_get_invariants+0x0/0x281 [ssb]
 [<f89a0bb0>] ssb_bus_pcibus_register+0x24/0x47 [ssb]
 [<c01b8826>] pci_set_master+0x54/0x58
 [<f89a2299>] ssb_pcihost_probe+0x5e/0x89 [ssb]
 [<c01ba0cf>] pci_device_probe+0x36/0x55
 [<c01f526a>] driver_probe_device+0xc5/0x148
 [<c025cf59>] klist_next+0x58/0x6d
 [<c01f53c8>] __driver_attach+0x49/0x7f
 [<c01f485c>] bus_for_each_dev+0x35/0x57
 [<c01f50de>] driver_attach+0x16/0x18
 [<c01f537f>] __driver_attach+0x0/0x7f
 [<c01f4b45>] bus_add_driver+0x6d/0x17d
 [<c01ba219>] __pci_register_driver+0x55/0x81
 [<f8836040>] ssb_modinit+0x40/0x56 [ssb]
 [<c01344ea>] blocking_notifier_call_chain+0x17/0x1a
 [<c013e6ce>] sys_init_module+0x1690/0x1746
 [<c0103f3e>] syscall_call+0x7/0xb
 =======================

ssb: Sonics Silicon Backplane found on PCI device 0000:30:00.0

I will upload my whole dmesg.

Steps to reproduce:
Just starting my system.