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

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Message-Id: <20070507222409.2d597a86.akpm@linux-foundation.org>
Date:	Mon, 7 May 2007 22:24:09 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Simon Arlott <simon@...e.lp0.eu>, linux-kernel@...r.kernel.org
Subject: Re: sleeping function called from invalid context at
 block/cfq-iosched.c (Was: Re: 2.6.21-mm1)

On Mon, 07 May 2007 21:31:06 -0700 Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Andrew Morton wrote:
> > Please enable 8k stacks before doing any other debugging things, see if
> > that fixes it.
> 
> I've found that XFS+lvm+4k stacks is completely unusable with current
> kernels.  I get hangs/oopes after ~10mins of work.

Sounds like this is new behaviour?

I wonder why.  Same compiler version?

>  I'm using wli's 8k
> stack + irq stack patches with good success though.
> 

wlis are handy.
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