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SubjectRe: [PATCH 001 of 6] md: Fix an occasional deadlock in raid5
On Wed, 16 Jan 2008 00:09:31 -0700 "Dan Williams" <dan.j.williams@intel.com> wrote:

> > heheh.
> >
> > it's really easy to reproduce the hang without the patch -- i could
> > hang the box in under 20 min on 2.6.22+ w/XFS and raid5 on 7x750GB.
> > i'll try with ext3... Dan's experiences suggest it won't happen with ext3
> > (or is even more rare), which would explain why this has is overall a
> > rare problem.
> >
>
> Hmmm... how rare?
>
> http://marc.info/?l=linux-kernel&m=119461747005776&w=2
>
> There is nothing specific that prevents other filesystems from hitting
> it, perhaps XFS is just better at submitting large i/o's. -stable
> should get some kind of treatment. I'll take altered performance over
> a hung system.

We can always target 2.6.25-rc1 then 2.6.24.1 if Neil is still feeling
wimpy.



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