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    Subject2.1.99 doesn't boot either (+oops info)
    I have yet to get a successful boot out of a 2.1.9* kernel.  As always, I
    get a non-deterministic flake during or after the initialization of the
    BusLogic SCSI controller. The exact place varies, but it never gets as far
    as the "partition check" message.

    This time I get a semi-repeatable oops. Here is the output (typed in by
    hand), followed by the ksymoops stuff. Please, if somebody can give me a
    hint as to how to help track this down, do tell. I would like to feel like
    I'll be able to run 2.2....

    Unable to handle kernel NULL pointer dereference at virtual address 00000008
    current->tss.cr3 = 00101000, %cr3 = 00101000
    *pde = 00000000
    Oops: 0000
    CPU: 0
    EIP: 0010:[<c0132b39>]
    EFLAGS: 00010202
    eax: fffffffe ebx: 00000020 ecx: c0015000 edx: 00000000
    esi: c0015001 edi: 00000000 ebp: 00000001 dsp: c0019db8
    ds: 0018 es: 0018 ss: 0018
    Process swapper (pid: 4, process nr: 4, stackpage = c0019000)
    Stack: 00000020 c0015000 00000000 c01fe128 285b8b0c e075db85 0774ed85 d88c05c6
    46ffc01f 1c247439 fef6870f c0132d82 c0015000 00000000 00000001 00000020
    c0015000 c0015000 c01fe128 5b202444 00008000 c0131c87 c0015000 00000000
    Call Trace: [<c0132d82>] [<c0131c87>] [<c483d2ff>] [<c01327c0>] [<c0109c72>] [<c010afd4>] [<c011e396>]
    [<c01da588>] [<c01da586>] [<c011e401>] [<c011e218>]
    Code: 8b 4f 08 85 c9 0f 84 4c 01 00 00 b8 ec ff ff ff 86 51 58 85

    Using `' to map addresses to symbols.

    >>EIP: c0132b39 <lookup_dentry+75/1e8>
    Trace: c0132d82 <open_namei+56/324>
    Trace: c0131c87 <do_execve+43/1d8>
    Trace: c483d2ff
    Trace: c01327c0 <getname+98/f8>
    Trace: c0109c72 <sys_execve+9e/d4>
    Trace: c010afd4 <system_call+38/3c>
    Trace: c011e396 <exec_modprobe+17e/1c8>
    Trace: c01da588 <tvecs+8e0/8fb7>
    Trace: c01da586 <tvecs+8de/8fb7>
    Trace: c011e401 <request_module+21/84>
    Trace: c011e396 <exec_modprobe+17e/1c8>
    Code: c0132b39 <lookup_dentry+75/1e8>
    Code: c0132b39 <lookup_dentry+75/1e8> 8b 4f 08 movl 0x8(%edi),%ecx
    Code: c0132b3c <lookup_dentry+78/1e8> 85 c9 testl %ecx,%ecx
    Code: c0132b3e <lookup_dentry+7a/1e8> 0f 84 4c 01 00 je c0132c90 <lookup_dentry+1cc/1e8>
    Code: c0132b4a <lookup_dentry+86/1e8> b8 ec ff ff ff movl $0xffffffec,%eax
    Code: c0132b4f <lookup_dentry+8b/1e8> 86 51 58 xchgb %dl,0x58(%ecx)
    Code: c0132b52 <lookup_dentry+8e/1e8> 85 00 testl %eax,(%eax)
    Code: c0132b5a <lookup_dentry+96/1e8> 90 nop
    Code: c0132b5b <lookup_dentry+97/1e8> 90 nop
    Code: c0132b5c <lookup_dentry+98/1e8> 90 nop

    Other info: Uniprocessor p200, BusLogic 948 SCSI, ...



    Jonathan Corbet
    National Center for Atmospheric Research, Atmospheric Technology Division

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