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kernel update causes ps to segfault - Debian

Since upgrading the kernel on our webserver, when root runs ps, it segfaults. Unable to handle kernel NULL pointer dereference at virtual address 0000007c printing eip: c014bfee *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[<c014bfee>] Not tainted EFLAGS: 00010202 eax: 00000000 ebx: d6538000 ecx: c6b92000 edx: 00013ca3 esi: 00000000 edi: c6b92000 ebp: d3ca3000 esp: d6539f58 ds: 0018 es: 0018 ss: 0018 Process ps (pid: 7517, stackpage=d6539000) Stack: d8423c80 00000000 c014c02f c6b92000 d8423c80 c6b92000 ffffffea c014c33a c6b92000 d3ca3000 00000000 da3e3c40 ffffffea 000007ff dfd57380 bffff898 000007ff c0131ef6 da3e3c40 bffff01c 000007ff da3e3c60 d6538000 bffff01c Call Trace: [<c014c02f>] [<c014c33a>] [<c0131ef6>] [<c0106e83>] Code: f6 ...

  1. #1

    Default kernel update causes ps to segfault

    Since upgrading the kernel on our webserver, when root runs ps, it
    segfaults.

    Unable to handle kernel NULL pointer dereference at virtual address
    0000007c
    printing eip:
    c014bfee
    *pde = 00000000
    Oops: 0000
    CPU: 0
    EIP: 0010:[<c014bfee>] Not tainted
    EFLAGS: 00010202
    eax: 00000000 ebx: d6538000 ecx: c6b92000 edx: 00013ca3
    esi: 00000000 edi: c6b92000 ebp: d3ca3000 esp: d6539f58
    ds: 0018 es: 0018 ss: 0018
    Process ps (pid: 7517, stackpage=d6539000)
    Stack: d8423c80 00000000 c014c02f c6b92000 d8423c80 c6b92000 ffffffea
    c014c33a
    c6b92000 d3ca3000 00000000 da3e3c40 ffffffea 000007ff dfd57380
    bffff898
    000007ff c0131ef6 da3e3c40 bffff01c 000007ff da3e3c60
    d6538000 bffff01c
    Call Trace: [<c014c02f>] [<c014c33a>] [<c0131ef6>] [<c0106e83>]

    Code: f6 40 7c 01 75 14 b8 00 e0 ff ff 21 e0 f6 80 d6 01 00 00 08


    I get nothing with gdb cause there's no debugging symbols in ps.



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    Lindsey Simon Guest

  2. #2

    Default Re: kernel update causes ps to segfault

    El Mon, 4 Aug 2003 11:58:17 -0500 Lindsey Simon <lsimonauschron.com> escribió:
    > Unable to handle kernel NULL pointer dereference at virtual address
    > 0000007c
    That isn't a ps bug, it's a kernel bug.
    Please pass it through ksymoops and send a full bug report to
    the kernel lists.


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    aradorlinux@yahoo.es Guest

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