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Date: Wed, 11 Jun 2014 18:38:51 +0100
From: Catalin Marinas <catalin.marinas@arm.com>
To: Denis Kirjanov <kda@linux-powerpc.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: kmemleak: Unable to handle kernel paging request
Message-ID: <20140611173851.GA5556@MacBook-Pro.local>
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On Wed, Jun 11, 2014 at 04:13:07PM +0400, Denis Kirjanov wrote:
> I got a trace while running 3.15.0-08556-gdfb9454:
> 
> [  104.534026] Unable to handle kernel paging request for data at
> address 0xc00000007f000000

Were there any kmemleak messages prior to this, like "kmemleak
disabled"? There could be a race when kmemleak is disabled because of
some fatal (for kmemleak) error while the scanning is taking place
(which needs some more thinking to fix properly).

Thanks.

-- 
Catalin