Re: OOPS: kernel BUG at transaction.c:1857 on 2.4.17 while rm'ing 700mb file on ext3 partition.

frode (frode@freenix.no)
Thu, 24 Jan 2002 23:53:27 +0100


Stephen C. Tweedie wrote:
> On Thu, Jan 24, 2002 at 04:54:34PM +0100, frode wrote:
>>I got the following error while rm'ing a 700mb file from an ext3 partition:
>>Assertion failure in journal_unmap_buffer() at transaction.c:1857:
>>"transaction == journal->j_running_transaction"
> Hmm --- this is not one I think I've ever seen before.

[oops trace snipped]

>>NVRM: loading NVIDIA NVdriver Kernel Module 1.0.2313 Tue Nov 27 12:01:24 PST 2001
> with this driver loaded we really can't make any guarantees about your
> system stability at all. If you manage to eliminate other oopses and
> still get the ext3 one, even without the NVidia driver loaded, then
> there would be a much better change of debugging things, but right now
> it sounds like a hardware problem.

OK, I rebooted and gzip'ed the NVdriver in /lib/modules... to make sure the
module doesn't load (lsmod now says my kernel isn't tainted). I'll try using the
plain 'nv' driver shipped with XFree instead for a while. I tried making another
700mb iso image and fool around with it (loopback mount it, umount it, then rm
it) but couldn't trigger anything - but I just spent five minutes trying.

As I mentioned I have had quite a few oopses lately, most of them regarding
paging etc. (but I'm no kernel expert). See for example
http://marc.theaimsgroup.com/?l=linux-kernel&m=101096234600708&w=2
and
http://marc.theaimsgroup.com/?l=linux-kernel&m=101128528029736&w=2

I'm running linux on an old p100 as well but don't see any problems, so as you
say I suspected a hardware problem. I ran MemTest86 for about half an hour
without any errors (but of course there's plenty of other things that may be wrong).

Do you have any suggestions on other ways I could try to put my hardware
stability on trial, or try to reproduce the bug (to see if it occurs on a
non-tainted kernel)?

- Frode

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