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

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Date:	Thu, 12 Jun 2014 00:04:55 +0400
From:	Denis Kirjanov <kda@...ux-powerpc.org>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: kmemleak: Unable to handle kernel paging request

On 6/11/14, Catalin Marinas <catalin.marinas@....com> wrote:
> 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).

No. I checked for the similar problem and didn't find anything relevant.
I'll try to bisect it.

> Thanks.
>
> --
> Catalin
>
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