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

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Date:	Tue, 15 Apr 2008 10:46:43 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	yhlu.kernel@...il.com
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org, Christoph Lameter <clameter@....com>,
	Mel Gorman <mel@....ul.ie>, Nick Piggin <npiggin@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9


* Yinghai Lu <yhlu.kernel.send@...il.com> wrote:

> > why are there no good debug logs possible in this area? To debug 
> > such bugs we'd need an early dump of the precise layout of all 
> > memory maps, what points where, how large it is, where it is 
> > allocated - and then compare it with how the rest of the system is 
> > layed out - looking at possible overlaps or other bugs. This 8-way 
> > box is a pain to debug on, it takes a long time to boot it up, etc. 
> > etc.
> 
> so same config 64 bit with SLUB works and only 32bit is broken? or it 
> 2.6.24 with 32bit + sparse + slub is broken already?

this is a 32-bit-only box.

	Ingo
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