linux-kernel - Re: list corruption in the last few days. (block ? crypto ?)

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Message-ID: <20110805182008.GA22314@redhat.com>
Date:	Fri, 5 Aug 2011 14:20:09 -0400
From:	Dave Jones <davej@...hat.com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Pekka Enberg <penberg@...nel.org>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jens Axboe <jaxboe@...ionio.com>
Subject: Re: list corruption in the last few days. (block ? crypto ?)

On Fri, Aug 05, 2011 at 01:14:50PM -0500, Christoph Lameter wrote:
 > On Fri, 5 Aug 2011, Dave Jones wrote:
 > 
 > >  > Argh another debugging code issue. Anyone who sees this please verify that
 > >  > it also occurs with debugging off. I ran this code for 9 months in
 > >  > various configs but only sporadically with debugging support since that
 > >  > switches the lockless stuff.
 > >
 > > This started turning up immediately as soon as it got merged to mainline.
 > > Which leads me to believe no-one is running -next with debugging on either.
 > > Perhaps we should force debugging on for a week once per release cycle.
 > 
 > I have run some tests over the last hours with kvm and
 > CONFIG_SLUB_DEBUG_ON as well as CONFIG_DEBUG_LIST set but (aside from
 > other unrelated backtraces in other subsystems) did not see this issue.
 > 
 > Can I get a .config? Maybe that will help.

http://codemonkey.org.uk/junk/adamo.config

	Dave
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