linux-kernel - Re: BUG: Bad page map in process udevd (anon

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Message-ID: <AANLkTimO=M5xG_mnDBSxPKwSOTrp3JhHVBa8=wHsiVHY@mail.gmail.com>
Date:	Fri, 18 Feb 2011 08:39:02 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Ingo Molnar <mingo@...e.hu>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: BUG: Bad page map in process udevd (anon_vma: (null)) in 2.6.38-rc4

On Fri, Feb 18, 2011 at 8:26 AM, Michal Hocko <mhocko@...e.cz> wrote:
>> Now, I will try with the 2 patches patches in this thread. I will also
>> turn on DEBUG_LIST and DEBUG_PAGEALLOC.
>
> I am not able to reproduce with those 2 patches applied.

Thanks for verifying. Davem/EricD - you can add Michal's tested-by to
the patches too.

And I think we can consider this whole thing solved. It hopefully also
explains all the other random crashes that EricB saw - just random
memory corruption in other datastructures.

EricB - do all your stress-testers run ok now?

                    Linus
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