Messages in this thread | | | Date | Wed, 9 Jan 2002 10:37:06 +0100 | From | "marc. h." <> | Subject | Re: [problem captured] Re: cerberus on 2.4.17-rc2 UP |
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On Tue, Jan 08, 2002 at 12:33:33PM -0800, Andrew Morton wrote: > Alan Cox wrote: > > > > > end_request: buffer-list destroyed > > > hda1: bad access: block=12440, count=-8 > > > end_request: I/O error, dev 03:01 (hda), sector 12440 > > > hda1: bad access: block=12448, count=-16 > > > > That looks like a race in the IDE/block layer (or somewhere above it maybe) > > Someone trashed a request in progress. > > > > Other people have reported it too. Its clearly a kernel race > > Yes, I can generate it at will on two quite different IDE machines > with the run-bash-shared-mapping script from > http://www.zip.com.au/~akpm/ext3-tools.tar.gz
does this mean it's an ext3 bug? (haven't tried to reproduce it using ext2)
> It's on my list of things-to-do, filed under "hard". It even happens > on uniprocessor, with unmask_irq=0.
yes. my machine is UP and unmask_irq is 0.
> Interestingly, I _think_ it only ever occurs against the > swap device. But I need to confirm this. Marc, do you > have swap on /dev/hda1?
nope. hda1 is /.
-m
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