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  1. #1

    kernel crash

    Hello all, recently I had a kernel crash and I know it is caused by my device driver. Is there any way that we can tell exactly where the crash is? what are needed to look at these traces? The dump from kernel is shown below. Your help is greatly appreciated. Thanks so much.

    current->tss.cr3 = 00101000, %cr3 = 00101000
    *pde = 00000000
    CPU: 0
    EIP: 0010:[<c8970a86>]
    Using defaults from ksymoops -t elf32-i386 -a i386
    EFLAGS: 00010006
    eax: 00000093 ebx: c8972b78 ecx: c5009000 edx: 00000000
    esi: 00000003 edi: c8866520 ebp: c01dde4c esp: c01dde54
    ds: 0018 es: 0018 ss: 0018
    Process swapper (pid: 0, process nr: 0, stackpage=c01dd000)
    Stack: 00000003 c8972b78 0000001b c01dde70 c89714c0 00000003 c88b38a0 c01dde98
    c88931d6 c88aa090 0000001b 00000000 00000010 00000000 001bdeb0 c8897288
    401b0040 c01ddeb0 c8892f56 00000000 00000000 0000401b 02855191 c01dded8
    Call trace: [<c8972b78>] [<c89714c0>] [<c88b38a0>] [<c88931d6>] [<c88aa090>] [<c8897288>] [<c8892f56>]
    [<c88551d9>] [<c8854d8d>] [<c8854dfe>] [<c8866520>] [<c8854c60>] [<c010a2ae>] [<c8866520>] [<c010a072>]
    [<c010a3d0>] [<c010a0b4>] [<c0107801>] [<c0106000>] [<c0107824>] [<c01091dc>] [<c0106000>] [<c010607b>]
    [<c0106000>] [<c0100175>]
    Code: f6 82 6c 01 00 00 04 74 1f 8b 81 14 01 00 00 25 21 01 00 00

  2. #2

    I am unable to get what is happenning ther by seeing your messages posted.
    Please follow the below link, I am sure it will help you,

  3. #3
    Thank you very much vijay_kernel.

  4. $spacer_open

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