linux-kernel - Re: kmemleak: Unable to handle kernel paging request

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Message-ID: <20140611173851.GA5556@MacBook-Pro.local>
Date:	Wed, 11 Jun 2014 18:38:51 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Denis Kirjanov <kda@...ux-powerpc.org>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: kmemleak: Unable to handle kernel paging request

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
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