linux-kernel - Re: frequent softlockups with 3.10rc6.

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Message-ID: <20130624174406.GC8572@redhat.com>
Date:	Mon, 24 Jun 2013 13:44:06 -0400
From:	Dave Jones <davej@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andrey Vagin <avagin@...nvz.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: frequent softlockups with 3.10rc6.

On Mon, Jun 24, 2013 at 07:35:10PM +0200, Oleg Nesterov wrote:
 
 > > Not sure this is helpful, but..
 > 
 > This makes me think that something is seriously broken.
 > 
 > Or I do not understand this stuff at all. Quite possible too.
 > Steven, could you please help?
 > 
 > But this is already called in the non-preemtible context, how can
 > 'started at' blame vprintk_emit?
 > 

I'll do another run on just plain rc7 again, just to rule out my debug patches.

	Dave


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