Linux-kernel mailing list archive 1999-20,: [sahag@mail.ru: Re: a badblocks command causes kerlnel OOPS]

# [sahag@mail.ru: Re: a badblocks command causes kerlnel OOPS]

Steve Dodd (dirk@loth.demon.co.uk)
Tue, 18 May 1999 02:38:38 +0100

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----- Forwarded message from Petrosyan Sahak <sahag@mail.ru> -----

Date: Tue, 18 May 1999 03:53:26 +0400
From: Petrosyan Sahak <sahag@mail.ru>
Organization: DGAP
X-Mailer: Mozilla 4.6 [en] (X11; I; Linux 2.2.9 i686)
X-Accept-Language: en
To: Steve Dodd <dirk@loth.demon.co.uk>
Subject: Re: a badblocks command causes kerlnel OOPS

Steve Dodd wrote:

> On Sun, May 16, 1999 at 08:14:23PM +0400, root wrote:
>
> > I want to chek for badblocks my /dev/hda1 partition which is my swap
> > partition.
> > I do swapoff -a; badblocks /dev/hda1 136521
> > and after some time I get :
>
> ksymoops output, please. (read linux/REPORTING-BUGS and
> linux/Documentation/oops-tracing.txt)
>
> --
> "Pascal is Pascal is Pascal is dog meat."
> -- M. Devine and P. Larson, Computer Science 340

Ok,
Now I think I have done everything correctly.
I attach the original oops message and the output of ksymoops.

VFS: brelse: Trying to free free buffer
VFS: brelse: Trying to free free buffer
VFS: brelse: Trying to free free buffer
Unable to handle kernel paging request at virtual address e02b7400
current->tss.cr3 = 04c75000, %cr3 = 04c75000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c0123236>]
EFLAGS: 00010213
eax: 20120000 ebx: 00000000 ecx: c008c560 edx: c4c77f9c
esi: c008c560 edi: 08048000 ebp: c4c77eb0 esp: c4c77d04
ds: 0018 es: 0018 ss: 0018
Process badblocks (pid: 1036, process nr: 14, stackpage=c4c77000)
Stack: 00000000 c0123881 c008c560 c008c560 c2276ea0 c01abd2b c01238ff c008c560
c008c560 00000000 c008c560 c0126925 c008c560 c5ac35a0 ffffffea 00000000
00002400 00000008 0804a974 00001000 00000000 c251b000 00000000 c009aec0
Call Trace: [<c0123881>] [<c01238ff>] [<c0126925>] [<c0127b70>] [<c0127d97>] [<c0127dbc>] [<c0128a6b>]
[<c011085f>] [<c011093a>] [<c0116e51>] [<c0109f05>] [<c0108e3c>] [<c0121dc5>] [<c0121f7e>] [<c0108da0>]
[<c010002b>]
Code: ff 88 00 74 19 c0 8b 51 34 85 d2 74 18 8b 01 85 c0 74 09 89
Segmentation fault

Options used: -V (default)
-o /lib/modules/2.2.9/ (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-m /boot/System.map (specified)
-c 1 (default)

Unable to handle kernel paging request at virtual address e02b7400
current->tss.cr3 = 04c75000, %cr3 = 04c75000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c0123236>]
EFLAGS: 00010213
eax: 20120000 ebx: 00000000 ecx: c008c560 edx: c4c77f9c
esi: c008c560 edi: 08048000 ebp: c4c77eb0 esp: c4c77d04
ds: 0018 es: 0018 ss: 0018
Process badblocks (pid: 1036, process nr: 14, stackpage=c4c77000)
Stack: 00000000 c0123881 c008c560 c008c560 c2276ea0 c01abd2b c01238ff c008c560
c008c560 00000000 c008c560 c0126925 c008c560 c5ac35a0 ffffffea 00000000
00002400 00000008 0804a974 00001000 00000000 c251b000 00000000 c009aec0
Call Trace: [<c0123881>] [<c01238ff>] [<c0126925>] [<c0127b70>] [<c0127d97>] [<c0127dbc>] [<c0128a6b>]
[<c011085f>] [<c011093a>] [<c0116e51>] [<c0109f05>] [<c0108e3c>] [<c0121dc5>] [<c0121f7e>] [<c0108da0>]
[<c010002b>]
Code: ff 88 00 74 19 c0 8b 51 34 85 d2 74 18 8b 01 85 c0 74 09 89

>>EIP: c0123236 <remove_from_queues+96/148>
Trace: c0123881 <refile_buffer+4d/b8>
Trace: c01238ff <__brelse+13/54>
Trace: c0126925 <block_read+499/4e0>
Trace: c0127b70 <search_binary_handler+54/114>
Trace: c0127d97 <do_execve+167/1cc>
Trace: c0127dbc <do_execve+18c/1cc>
Trace: c0128a6b <lookup_dentry+15f/1e8>
Trace: c011085f <update_process_times+5b/64>
Trace: c010002b <startup_32+2b/11e>
Code: c0123236 <remove_from_queues+96/148> 00000000 <_EIP>: <===
Code: c0123236 <remove_from_queues+96/148> 0: ff 88 00 74 19 c0 decl 0xc0197400(%eax) <===
Code: c012323c <remove_from_queues+9c/148> 6: 8b 51 34 movl 0x34(%ecx),%edx
Code: c012323f <remove_from_queues+9f/148> 9: 85 d2 testl %edx,%edx
Code: c0123241 <remove_from_queues+a1/148> b: 74 18 je c012325b <remove_from_queues+bb/148>
Code: c0123243 <remove_from_queues+a3/148> d: 8b 01 movl (%ecx),%eax
Code: c0123245 <remove_from_queues+a5/148> f: 85 c0 testl %eax,%eax
Code: c0123247 <remove_from_queues+a7/148> 11: 74 09 je c0123252 <remove_from_queues+b2/148>
Code: c0123249 <remove_from_queues+a9/148> 13: 89 00 movl %eax,(%eax)

----- End forwarded message -----

    --
    If it's tourist season, why can't we shoot them?

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