linux-kernel - Re: [bug] SLUB + mm/slab.c boot crash in -rc9

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Message-ID: <4805115D.5030703@cs.helsinki.fi>
Date:	Tue, 15 Apr 2008 23:34:37 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Christoph Lameter <clameter@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Mel Gorman <mel@....ul.ie>,
	Nick Piggin <npiggin@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Yinghai.Lu@....com,
	apw@...dowen.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9

Ingo Molnar wrote:
> my current guess would have been some bootmem regression/interaction 
> that messes up the buddy bitmaps - but i just reverted to the v2.6.24 
> version of bootmem.c and that crashes too ...

I know this is bit of hand-waving but have you noticed how all the 
interesting sparsemem changes that one would expect to have caused the 
breakage happened _before_ v2.6.24? So sorry for asking this again but 
are we 110% sure the problem does not trigger with any of the 
v2.6.24-rcN kernels?

			Pekka
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