2.0.37 oops

From: Ville Herva (vherva@mail.niksula.cs.hut.fi)
Date: Tue Jul 25 2000 - 06:27:32 EDT

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    I had an 2.0.37 oops. The box in question has been very reliable in the
    past (with 2.0.36 and 2.0.37). The only hitch was that I had to reboot
    once because an oracle process went into state in which it couldn't be
    killed even with kill -9.

    Other than that, no problems; uptimes even more than a year.

    A couple a days ago the box crashed, however. Before I noticed, it had
    already booted, and the only thing I found in the logs was this:

    general protection: 0000
    CPU: 0
    EIP: 0010:[<075fb000>]
    EFLAGS: 00257706
    eax: 00000000 ebx: 04f21fb4 ecx: 00000000 edx: 00000000
    esi: 00000005 edi: bfffe3c8 ebp: 00000203 esp: 04f21f78
    ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
    Process smbd (pid: 18364, process nr: 44, stackpage=04f21000)
    Stack: 00000000 0012d03c 075fb000 075fb000 02c6d400 00000001 04f21fb4
    bfffe388
           080fee74 075fb000 0012b179 080fee74 04f21fb4 053ffc0c bffff09c
    00000000
           0010bbe9 080fee74 bfffe388 400fb6cc bffff09c 00000005 bfffe3c8
    ffffffda
    Call Trace: [namei+60/72] [sys_newstat+41/88] [system_call+85/124]
    Code: 6c 69 62 72 61 72 69 65 73 2f 4f 62 6a 65 63 74 41 52 58 32

    Of course, ksymoops wont get much out of that:

    ./ksymoops ../System.map < oops.13072000
    Using `../System.map' to map addresses to symbols.

    Code:
    Code: 6c insb (%dx),%es:(%edi)
    Code: 69 62 72 61 72 imull $0x65697261,0x72(%edx),%esp
    Code: 69 65
    Code: 73 2f jae 39 <_EIP+0x39>
    Code: 4f decl %edi
    Code: 62 6a 65 boundl 0x65(%edx),%ebp
    Code: 63 74 41 52 arpl %si,0x52(%ecx,%eax,2)
    Code: 58 popl %eax
    Code: 32 00 xorb (%eax),%al
    Code: 90 nop
    Code: 90 nop
    Code: 90 nop

    Vanilla 2.0.37, Ppro200, 3C905. Nothing fancy.

    This doesn't look like a tcp stack bug nor faulty memory...? Could there
    still be a bug in 2.0 new_stat/namei?

    -- v --

    v@iki.fi

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