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    Subjectmodules oops in 2.5.52
    From
    Date
    Hi,

    I just had an oops in the modules code:

    Dec 18 16:58:59 ixodes kernel: Unable to handle kernel paging request at virtual address f8980924
    Dec 18 16:58:59 ixodes kernel: printing eip:
    Dec 18 16:58:59 ixodes kernel: f896756d
    Dec 18 16:58:59 ixodes kernel: *pde = 01bfc067
    Dec 18 16:58:59 ixodes kernel: *pte = 00000000
    Dec 18 16:58:59 ixodes kernel: Oops: 0000
    Dec 18 16:58:59 ixodes kernel: CPU: 0
    Dec 18 16:58:59 ixodes kernel: EIP: 0060:[<f896756d>] Not tainted
    Dec 18 16:58:59 ixodes kernel: EFLAGS: 00010282
    Dec 18 16:58:59 ixodes kernel: EIP is at __exitfn+0xd/0x4c [parport_pc]
    Dec 18 16:58:59 ixodes kernel: eax: d7b01c80 ebx: c0355bb8 ecx: c0355bb8 edx: c02f2b50
    Dec 18 16:58:59 ixodes kernel: esi: f8964000 edi: 00000000 ebp: f4b9df5c esp: f4b9df50
    Dec 18 16:58:59 ixodes kernel: ds: 0068 es: 0068 ss: 0068
    Dec 18 16:58:59 ixodes kernel: Process modprobe (pid: 1358, threadinfo=f4b9c000 task=eb929280)
    Dec 18 16:58:59 ixodes kernel: Stack: f4b9c000 c0355bb8 f8964000 f4b9dfbc c0127d61 c02f2b50 00000077 0000003b
    Dec 18 16:58:59 ixodes kernel: 70726170 5f74726f e1006370 f5025480 f5025380 40013000 40014000 f5025480
    Dec 18 16:58:59 ixodes kernel: f5025380 e1e4b200 e1e4b220 00000000 f4b9dfbc c0136839 00e4b200 40013000
    Dec 18 16:58:59 ixodes kernel: Call Trace:
    Dec 18 16:58:59 ixodes kernel: [<c0127d61>] sys_delete_module+0x1bf/0x1e2
    Dec 18 16:58:59 ixodes kernel: [<c0136839>] sys_munmap+0x57/0x76
    Dec 18 16:58:59 ixodes kernel: [<c01090c3>] syscall_call+0x7/0xb
    Dec 18 16:58:59 ixodes kernel:
    Dec 18 16:58:59 ixodes kernel: Code: 8b 35 24 09 98 f8 85 f6 89 c3 74 24 85 db 74 0f f6 43 10 01
    Dec 18 16:59:00 ixodes kernel: end_request: I/O error, dev hdc, sector 0
    Dec 18 16:59:00 ixodes kernel: end_request: I/O error, dev hdc, sector 0

    I doubt parport_pc was being used. I think this was caused by the
    vmware-config script trying to unload modules. Vmware was not loaded at
    the time.

    Now, any process which touches /proc/modules hangs, I guess because a
    lock was being held.

    I have module-init-tools 0.9.3 installed.

    The only other patch in the kernel is AndrewM's buffer head tracing
    code.

    J

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