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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This archive was generated by hypermail 2b29 : Tue Jan 15 2002 - 21:00:26 EST