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Date: Tue, 15 Apr 2008 10:46:43 +0200
From: Ingo Molnar <mingo@elte.hu>
To: yhlu.kernel@gmail.com
Cc: Pekka Enberg <penberg@cs.helsinki.fi>, linux-kernel@vger.kernel.org,
       Christoph Lameter <clameter@sgi.com>, Mel Gorman <mel@csn.ul.ie>,
       Nick Piggin <npiggin@suse.de>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9
Message-ID: <20080415084643.GA21586@elte.hu>
References: <20080411074145.GA4944@elte.hu> <84144f020804142341ic4621c9o6de06d68eee74871@mail.gmail.com> <20080415070811.GA15499@elte.hu> <200804150131.18469.yhlu.kernel@gmail.com>
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* Yinghai Lu <yhlu.kernel.send@gmail.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