linux-kernel - Re: kernel panic - not syncing: out of memory and no killable processes

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Date:	Thu, 17 Sep 2009 16:35:56 -0400
From:	Eric Paris <eparis@...hat.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, a.p.zijlstra@...llo.nl
Subject: Re: kernel panic - not syncing: out of memory and no killable
 processes

On Thu, 2009-09-17 at 13:29 -0700, David Rientjes wrote:
> On Thu, 17 Sep 2009, Eric Paris wrote:
> 
> > the next-20090916 tree still panic's the same way.  As does Linus'
> > latest git tree ab86e5765
> > 
> > I'll try bisecting between v2.6.31 and master if it would give better
> > data than trying to bisect between two -next trees, but I'm sorta stuck
> > with a machine that won't boot and doesn't tell me much about why.
> > 
> 

> Try merging the following patch to get more information such as the 
> allocation order and gfp_mask.  It will also show the VM size of all 
> kthreads and the state of your system memory to deterine whether there's a 
> page allocator issue, lowmem_reserve_ratio is too high, etc.

I'll throw it in.

I did another bisect (mainly because the last one gave a commit that
obviously seemed bogus and Ingo ask me to)

3f2aa307c4d26b4ed6509d0a79e8254c9e07e921 is first bad commit
commit 3f2aa307c4d26b4ed6509d0a79e8254c9e07e921
Author: Ingo Molnar <mingo@...e.hu>
Date:   Thu Sep 10 20:34:48 2009 +0200

    sched: Disable NEW_FAIR_SLEEPERS for now

I'm about to try a linus latest kernel with just this one patch
reverted.

-Eric

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