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Date: Fri, 26 Sep 2003 09:12:56 +0200 (CEST)
From: devik <devik@cdi.cz>
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To: Daniel Blueman <daniel.blueman@gmx.net>
cc: <linux-kernel@vger.kernel.org>
Subject: Re: [OOPS] [2.6.0-test5] HTB QoS crash...
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Hi,

thanks for the report, it seems that there is something
different in tc api on 2.6. I'll download it in a few
days and try your setup.
Next conversation please privately to me (we don't need
to bloat lkml).

devik

On Thu, 25 Sep 2003, Daniel Blueman wrote:

> Decoded through ksymoops.
>
> ---
>
> ksymoops 2.4.9 on i686 2.6.0-test5.  Options used
>      -V (default)
>      -k /proc/ksyms (default)
>      -l /proc/modules (default)
>      -o /lib/modules/2.6.0-test5/ (default)
>      -m /usr/src/linux/System.map (default)
>
> Warning: You did not tell me where to find symbol information.  I will
> assume that the log matches the kernel and modules that are running
> right now and I'll use the default options above for symbol resolution.
> If the current kernel and/or modules do not match the log, you can get
> more accurate output by telling me the kernel version and where to find
> map, modules, ksyms etc.  ksymoops -h explains the options.
>
> Error (regular_file): read_ksyms stat /proc/ksyms failed
> ksymoops: No such file or directory
> No modules in ksyms, skipping objects
> No ksyms, skipping lsmod
> Oops: 0002 [#1]
> CPU:    0
> EIP:    0060:[<c02d2314>]    Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010282
> eax: 00000000   ebx: dc246078   ecx: da60e004   edx: dc246004
> esi: da60e004   edi: df4ffef8   ebp: da5ede0c   esp: da5eddf4
> ds: 007b   es: 007b   ss: 0068
> Stack: c1001040 00000000 c141f280 00000000 df4ffeac db3315fc da5ede20
> c02da54e
>        dc246004 da60e004 00000000 da5ede3c c02da7e7 df4ffef8 df4ffeac
> db3315fc
>        db3315a4 df4ffef8 da5ede58 c02da826 df4ffef8 db3315fc dc2463b0
> db3315a4
> Call Trace:
>  [<c02da54e>] u32_destroy_key+0x6a/0x6c
>  [<c02da7e7>] u32_clear_hnode+0x2e/0x48
>  [<c02da826>] u32_destroy_hnode+0x25/0x86
>  [<c02da955>] u32_destroy+0xce/0xec
>  [<c02d148a>] htb_destroy_filters+0x1d/0x29
>  [<c02d169d>] htb_destroy+0x67/0xd2
>  [<c02c3fd4>] qdisc_destroy+0x81/0x92
>  [<c02c4705>] dev_shutdown+0xaa/0x245
>  [<c0138e4c>] wakeme_after_rcu+0x0/0xc
>  [<c02b7d0c>] unregister_netdevice+0xdb/0x335
>  [<c02bf84a>] rtnl_lock+0x22/0x37
>  [<c0233ba7>] unregister_netdev+0x19/0x26
>  [<c0239e26>] ppp_shutdown_interface+0x21e/0x3ba
>  [<c0182376>] dput+0x23/0x685
>  [<c0163e34>] __fput+0x7c/0xcd
>  [<c0234011>] ppp_release+0x5f/0x61
>  [<c0163e73>] __fput+0xbb/0xcd
>  [<c0161f1d>] filp_close+0x57/0x81
>  [<c016204b>] sys_close+0x104/0x228
>  [<c010a34b>] syscall_call+0x7/0xb
> Code: 83 ae 58 01 00 00 01 8b 5d f8 8b 75 fc 89 ec 5d c3 83 ab 3c
>
>
> >>EIP; c02d2314 <htb_unbind_filter+49/6b>   <=====
>
> >>ebx; dc246078 <_end+1bdcbfa4/3fb83f2c>
> >>ecx; da60e004 <_end+1a193f30/3fb83f2c>
> >>edx; dc246004 <_end+1bdcbf30/3fb83f2c>
> >>esi; da60e004 <_end+1a193f30/3fb83f2c>
> >>edi; df4ffef8 <_end+1f085e24/3fb83f2c>
> >>ebp; da5ede0c <_end+1a173d38/3fb83f2c>
> >>esp; da5eddf4 <_end+1a173d20/3fb83f2c>
>
> Trace; c02da54e <u32_destroy_key+6a/6c>
> Trace; c02da7e7 <u32_clear_hnode+2e/48>
> Trace; c02da826 <u32_destroy_hnode+25/86>
> Trace; c02da955 <u32_destroy+ce/ec>
> Trace; c02d148a <htb_destroy_filters+1d/29>
> Trace; c02d169d <htb_destroy+67/d2>
> Trace; c02c3fd4 <qdisc_destroy+81/92>
> Trace; c02c4705 <dev_shutdown+aa/245>
> Trace; c0138e4c <wakeme_after_rcu+0/c>
> Trace; c02b7d0c <unregister_netdevice+db/335>
> Trace; c02bf84a <rtnl_lock+22/37>
> Trace; c0233ba7 <unregister_netdev+19/26>
> Trace; c0239e26 <ppp_shutdown_interface+21e/3ba>
> Trace; c0182376 <dput+23/685>
> Trace; c0163e34 <__fput+7c/cd>
> Trace; c0234011 <ppp_release+5f/61>
> Trace; c0163e73 <__fput+bb/cd>
> Trace; c0161f1d <filp_close+57/81>
> Trace; c016204b <sys_close+104/228>
> Trace; c010a34b <syscall_call+7/b>
>
> Code;  c02d2314 <htb_unbind_filter+49/6b>
> 00000000 <_EIP>:
> Code;  c02d2314 <htb_unbind_filter+49/6b>   <=====
>    0:   83 ae 58 01 00 00 01      subl   $0x1,0x158(%esi)   <=====
> Code;  c02d231b <htb_unbind_filter+50/6b>
>    7:   8b 5d f8                  mov    0xfffffff8(%ebp),%ebx
> Code;  c02d231e <htb_unbind_filter+53/6b>
>    a:   8b 75 fc                  mov    0xfffffffc(%ebp),%esi
> Code;  c02d2321 <htb_unbind_filter+56/6b>
>    d:   89 ec                     mov    %ebp,%esp
> Code;  c02d2323 <htb_unbind_filter+58/6b>
>    f:   5d                        pop    %ebp
> Code;  c02d2324 <htb_unbind_filter+59/6b>
>   10:   c3                        ret
> Code;  c02d2325 <htb_unbind_filter+5a/6b>
>   11:   83 ab 3c 00 00 00 00      subl   $0x0,0x3c(%ebx)
>
>  <0>Kernel panic: Fatal exception in interrupt
>
> 1 warning and 1 error issued.  Results may not be reliable.
>
> --
> Daniel J Blueman
>
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