linux-kernel - Re: 2.6.21-rc7-mm1: BUG_ON in kthread_bind during _cpu

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Message-Id: <200704262220.24286.rjw@sisk.pl>
Date:	Thu, 26 Apr 2007 22:20:23 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Gautham R Shenoy <ego@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...sign.ru>
Subject: Re: 2.6.21-rc7-mm1: BUG_ON in kthread_bind during _cpu_down

On Thursday, 26 April 2007 01:54, Andrew Morton wrote:
> On Thu, 26 Apr 2007 01:10:21 +0200 "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> 
> > Hi,
> > 
> > The BUG_ON in khthread_bind (line 165 in kthread.c) triggers for me during
> > attempted suspend to disk, when disable_nonboot_cpus() calls _cpu_down()
> > (on x86_64).
> 
> I guess the backtrace would be pretty important here.

Yes, I didn't have the time to collect one yestarday.
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