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SubjectRe: 2.4.17 oops - ext2/ext3 fs corruption (?)
Date
On January 6, 2002 12:31 am, Eric wrote:
> On Sat, 5 Jan 2002, Andrew Morton wrote:
> > Eric wrote:
> > >
> > > I seem to be having a reoccurring problem with my Red Hat 7.2 system
> > > running kernel 2.4.17. Four times now, I have seen the kernel generate an
> > > oops. After the oops, I find that one of file systems is no longer sane.
> > > The effect that I see is a Segmentation Fault when things like ls or du
> > > some directory (the directory is never the same). Also, when the system
> > > is going down for a reboot, it is unable to umount the file system. The
> > > umount command returns a "bad lseek" error.
> >
> > Everything here points at failing hardware. Probably memory errors.
> > People say that memtest86 is good at detecting these things. Another
> > way to verify this is to move the same setup onto a different computer...
>
> I ran memtest86 on the system and let it complete 4 passes before I
> stopped it. It found no errors. Unfortunately, I do not have another
> system available to test this on. Are there any other diagnostics I can
> run to determine if this is truly a hardware problem?

This doesn't smell like hardware to me, since your two backtraces are identical:

>>EIP; c013ee54 <d_lookup+64/120> <=====
Trace; c0136d40 <cached_lookup+10/50>
Trace; c013740a <link_path_walk+4ea/730>
Trace; c0136b1f <getname+5f/a0>
Trace; c01379d3 <__user_walk+33/50>
Trace; c0134bb4 <sys_lstat64+14/70>
Trace; c0106e04 <error_code+34/40>
Trace; c0106cf3 <system_call+33/40>
Code; c013ee54 <d_lookup+64/120>
00000000 <_EIP>:
Code; c013ee54 <d_lookup+64/120> <=====
0: 8b 6d 00 mov 0x0(%ebp),%ebp <=====
Code; c013ee57 <d_lookup+67/120>
3: 39 53 44 cmp %edx,0x44(%ebx)
Code; c013ee5a <d_lookup+6a/120>
6: 0f 85 90 00 00 00 jne 9c <_EIP+0x9c> c013eef0 <d_lookup+100/120>
Code; c013ee60 <d_lookup+70/120>
c: 8b 44 24 24 mov 0x24(%esp,1),%eax
Code; c013ee64 <d_lookup+74/120>
10: 39 43 0c cmp %eax,0xc(%ebx)
Code; c013ee67 <d_lookup+77/120>
13: 0f 00 00 sldt (%eax)

--
Daniel
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