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Date: Tue, 8 May 2007 11:23:50 -0500
To: Srinivasa Ds <srinivasa@in.ibm.com>
Subject: Re: kernel expection generated with 2.6.21-mm1 kernel boot up
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From: linas@austin.ibm.com (Linas Vepstas)
Cc: linuxppc-dev@ozlabs.org, Balbir Singh <balbir@linux.vnet.ibm.com>,
	Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
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On Tue, May 08, 2007 at 05:34:44PM +0530, Srinivasa Ds wrote:
> 
> Looks like problem is in SLUB layer, I unmarked SLUB(CONFIG_SLUB)
> option and now system is booting.

Its been repored by others (and I can reproduce it),
its a problem with a bad interaction with SLUB and pg_tables
A patch flew by recetnly that would not use slub for pg_tables, 
but I don't know if that's the permanent fix.

--linas