linux-kernel - Re: [bug] SLOB crash, 2.6.24-rc2

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Message-ID: <20071114225335.GV19691@waste.org>
Date:	Wed, 14 Nov 2007 16:53:36 -0600
From:	Matt Mackall <mpm@...enic.com>
To:	David Miller <davem@...emloft.net>
Cc:	mingo@...e.hu, rjw@...k.pl, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org
Subject: Re: [bug] SLOB crash, 2.6.24-rc2

On Wed, Nov 14, 2007 at 02:39:38PM -0800, David Miller wrote:
> From: Ingo Molnar <mingo@...e.hu>
> Date: Wed, 14 Nov 2007 20:05:01 +0100
> 
> > the bug went away - and the only thing i did was a networking config 
> > tweak. So maybe something in networking corrupts memory?
> 
> This wouldn't surprise me at all.
> 
> I think we can make some headway on this bug, the next time
> you trigger it, if the list debugging was a little less terse.
> 
> For example, a backtrace and perhaps even feeding the bad list
> pointers in question to the SLAB/SLUB debug helpers that can
> identify a kmem cache from a given pointer would help.

He hit the bug using SLOB and there are no kmem (or any other) caches
in SLOB.

-- 
Mathematics is the supreme nostalgia of our time.
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