Message-ID: <49AD4B55.5060504@aei.mpg.de>
Date: Tue, 03 Mar 2009 16:23:01 +0100
From: Carsten Aulbert <carsten.aulbert@aei.mpg.de>
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To: Trond Myklebust <trond.myklebust@fys.uio.no>
CC: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       linux-nfs@vger.kernel.org
Subject: Re: kernel BUG at kernel/workqueue.c:291
References: <49A84376.6030800@aei.mpg.de> <49ABBA44.1060302@aei.mpg.de>	 <20090302232643.7c7ca284.akpm@linux-foundation.org> <1236093413.9631.58.camel@heimdal.trondhjem.org>
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Hi Trond,

Trond Myklebust schrieb:
> struct rpc_task does admittedly share storage for the work queue and the
> rpc wait queue links, but if that were to be causing the reported
> corruption, then it would mean that an rpc_task is simultaneously on a
> wait queue and trying to execute on a work queue. I have no history of
> that ever having happened.

Anything I might be able to give to you helping you to narrow it down
somewhat? As written I suspect a certain type of user jobs, but since
literally 1000s of these ran over the course of several days it might be
hard to trigger this reliably again.

Cheers

Carsten
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