linux-kernel - Re: [BUG 3.12.rc4] Oops: unable to handle kernel paging request during shutdown

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Date:	Fri, 25 Oct 2013 11:48:35 +0100
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Knut Petersen <Knut_Petersen@...nline.de>,
	Ingo Molnar <mingo@...nel.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Greg KH <greg@...ah.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [BUG 3.12.rc4] Oops: unable to handle kernel paging request
 during shutdown

On Fri, Oct 25, 2013 at 11:23 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
>
> Enable DEBUG_OBJECTS, DEBUG_OBJECTS_FREE, DEBUG_OBJECTS_TIMERS

Yes, but nobody has actually been able to trigger it with those. It's
pretty rare, and the debug options are so expensive that they aren't
reasonable to enable generally...

So we need to try to figure out how to trigger it, or narrow things
down some way..

              Linus
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