From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oleg Drokin <green@namesys.com>
Subject: Re: Re: Segmentation Fault when mounting ataraid
Date: Wed, 29 Jan 2003 10:24:56 +0300
Message-ID: <20030129102456.A27895@namesys.com>
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To: Jochen Haemmerle <thehammer@gmx.net>
Cc: reiserfs-list@namesys.com

Hello!

On Tue, Jan 28, 2003 at 09:49:29PM +0100, Jochen Haemmerle wrote:

> Well, down there it is!!

Hm.
Strange stacktrace, I'd say.
Please also decode EIP line, may be you need to get never ksymoops for that.
(EIP     0010:[<c01a62c0>]        Tainted: P)
BTW, what proprietary modules do you have loaded?
 
> guardian@viking:~$ cat segfault.txt | ksymoops -m /boot/System.map-2.4.20
> ksymoops 2.4.6 on i686 2.4.20.  Options used
>     -V (default)
>     -k /proc/ksyms (default)
>     -l /proc/modules (default)
>     -o /lib/modules/2.4.20/ (default)
>     -m /boot/System.map-2.4.20 (specified)
> 
> Unable to handle kernel NULL pointer dereference at vitual address 00000004
> c01a62c0
> *pde = 00000000
> Oops: 0002
> CPU:   0
> EFLAGS: 00010012
> eax: 00000000   ebx: c03324f8  ecx: dff188a0   edx: c03324fc
> esi: 00000000   edi: c03324f8  ebp: 00000008   esp: d7839d98
> Process mount (pid: 327, stackpage=d7839000)
>      007c0000 098a9f2d c0332518 00000800 c0332520 c0332518 00000080 
> 00000000
>      003e003f 00000000 c01a6c6c c03324f8 00000000 d7cc54a0 00000008 
> 00000000
> Call Trace:   [<c01a698d>] [<c01a6c6c>][<c01a6ccc>] [<c01a6e27>] 
> [<c0172671>]
> [<c0173188>] [<c013c712>] [<c014d546>][<c013c8fd>] [<c014e589>] [<c014e842>]
> [<c014e6ad>] [<c014ec6f>] [<c0106f17>]
> Code: 89 50 04 89 02 c7 01 00 00 00 00 c7 41 04 00 00 00 00 ff 0b
> Using defaults from ksymoops -t elf32-i386 -a i386
> 
> 
> >>ebx; c03324f8 <parse_options+124/1c8>
> >>edx; c03324fc <parse_options+128/1c8>
> >>edi; c03324f8 <parse_options+124/1c8>
> 
> Trace; c01a698d <reiserfs_super_in_proc+69/254>
> Trace; c01a6c6c <reiserfs_per_level_in_proc+f4/134>
> Trace; c01a6ccc <reiserfs_bitmap_in_proc+20/a0>
> Trace; c01a6e27 <reiserfs_on_disk_super_in_proc+db/f0>
> Trace; c0172671 <nlm_shutdown_hosts+e9/11c>
> Trace; c0173188 <nlmsvc_lock+c8/340>
> Trace; c013c712 <sys_getdents64+7e/b3>
> Trace; c014d546 <notesize+1e/2c>
> Trace; c013c8fd <max_select_fd+9d/a4>
> Trace; c014e589 <handle_ide_mess+25/194>
> Trace; c014e842 <msdos_partition+14a/2f8>
> Trace; c014e6ad <handle_ide_mess+149/194>
> Trace; c014ec6f <__load_block_bitmap+17f/198>
> Trace; c0106f17 <show_stack+7/78>
> 
> Code;  00000000 Before first symbol
> 00000000 <_EIP>:
> Code;  00000000 Before first symbol
>   0:   89 50 04                  mov    %edx,0x4(%eax)
> Code;  00000003 Before first symbol
>   3:   89 02                     mov    %eax,(%edx)
> Code;  00000005 Before first symbol
>   5:   c7 01 00 00 00 00         movl   $0x0,(%ecx)
> Code;  0000000b Before first symbol
>   b:   c7 41 04 00 00 00 00      movl   $0x0,0x4(%ecx)
> Code;  00000012 Before first symbol
>  12:   ff 0b                     decl   (%ebx)

Bye,
    Oleg