linux-kernel - Re: [sched-devel/latest] WARNING: at mm/slub.c:2443

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Message-Id: <200804241613.26557.elendil@planet.nl>
Date:	Thu, 24 Apr 2008 16:13:25 +0200
From:	Frans Pop <elendil@...net.nl>
To:	penberg@...helsinki.fi
Cc:	zaitcev@...hat.com, mingo@...e.hu, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, gregkh@...e.de, clameter@....com
Subject: Re: [sched-devel/latest] WARNING: at mm/slub.c:2443

Frans Pop wrote:
> On Wednesday 23 April 2008, Pekka Enberg wrote:
>> Well, a race in mon_text_release() after the kmem_cache_free() loop
>> and the call to kmem_cache_destroy() but looks like that can't happen
>> either. Frans, is this easily triggerable? If so, can you try with
>> CONFIG_SLAB and CONFIG_DEBUG_SLAB enabled instead?
> 
> Not really. I've only seen it once two days ago and not at all today while
> I was doing the traces for the scheduling issue.

I've run with the same kernel for about 6 hours today but not seen the 
WARNING again, so the chance that I'll be able to provide additional info 
is close to zero :-(
Maybe I'll have more "luck" later in the .26 cycle when I start using -rc 
releases on a daily basis.
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