linux-kernel - Re: [xfs-masters] Re: 2.6.18-rc6-mm2

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Date:	Fri, 15 Sep 2006 12:57:45 +1000
From:	David Chinner <dgc@....com>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
Cc:	David Chinner <dgc@....com>, linux-kernel@...r.kernel.org,
	xfs-masters@....sgi.com, Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: [xfs-masters] Re: 2.6.18-rc6-mm2

On Thu, Sep 14, 2006 at 07:01:38PM +0200, Michal Piotrowski wrote:
> >>
> >> I'll build system with gcc 3.4
> >
> >It's not a compiler issue.
> >
> >Binary search should solve this mystery.
> 
> I was wrong - it's in vanilla tree
> (http://www.stardust.webpages.pl/files/mm/2.6.18-rc6-mm2/mm-dmesg1).
> 
> cat hunt | head -n 3
> origin.patch
> BAD
> libata-ignore-cfa-signature-while-sanity-checking-an-atapi-device.patch

Not sure what this means....

> I can reproduce this bug with all CONFIG_DEBUG_*=y.
> (only
> CONFIG_DEBUG_SYNCHRO_TEST=m
> CONFIG_RCU_TORTURE_TEST=m
> as modules)

I notice you're running i386 with 4k stacks - I wonder if you're blowing the
stack by running xfs on loopback. I've been testing on x86_64 and ia64
which don't have those issues. Can you try with 8K stacks instead of
4k stacks?

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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