linux-kernel - Re: GPF in run_workqueue()/list_del_init(cwq->worklist.next) on resume (was: Re: Help needed: Resume problems in 2.6.32-rc, perhaps related to preempt

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Message-Id: <200911122153.12419.rjw@sisk.pl>
Date:	Thu, 12 Nov 2009 21:53:12 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mike Galbraith <efault@....de>, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Greg KH <gregkh@...e.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Tejun Heo <tj@...nel.org>
Subject: Re: GPF in run_workqueue()/list_del_init(cwq->worklist.next) on resume (was: Re: Help needed: Resume problems in 2.6.32-rc, perhaps related to preempt_count leakage in keventd)

On Thursday 12 November 2009, Thomas Gleixner wrote:
> On Wed, 11 Nov 2009, Oleg Nesterov wrote:
> > Well, yes. Because any buggy user can easily kill the system, and we
> > constantly have the bugs like this one.
> > 
> > I think we should teach workqueue.c to use debugobjects.c at least.
> 
> Here you go. Would be interesting to know whether it catches the
> problem at hand.

How would I tell if it did?

Rafael
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