Re: sleeping function called from invalid context at block/cfq-iosched.c (Was: Re: 2.6.21-mm1)

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 7 May 2007 22:31:32 -0700 William Lee Irwin III <wli@holomorphy.com> wrote:

> On Mon, 07 May 2007 21:31:06 -0700 Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> >> I'm using wli's 8k
> >> stack + irq stack patches with good success though.
> 
> On Mon, May 07, 2007 at 10:24:09PM -0700, Andrew Morton wrote:
> > wlis are handy.
> 
> I think Andi's handling the mergework on those patches, but I'll check
> in to see if I should rediff vs. -mm or what if you want them.
> 
> Andi, what's the verdict on those stack patches?
> 

Whoa. The verdict is usually "don't use so much stack".

Do we know what has gone wrong here?

Last week Jens said he was picking up the ancient
md-dm-reduce-stack-usage-with-stacked-block-devices.patch, but he doesn't
seem to have done so yet.

XFS is frequently implicated.
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