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Date: Fri, 17 Oct 2003 15:02:46 -0400 (EDT)
From: Zwane Mwaikambo <zwane@arm.linux.org.uk>
To: Rik van Riel <riel@redhat.com>
cc: "Randy.Dunlap" <rddunlap@osdl.org>, lkml <linux-kernel@vger.kernel.org>,
       mingo@redhat.com, linux-mm@kvack.org
Subject: Re: 2.6.0-test7-mm1 4G/4G hanging at boot
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On Fri, 17 Oct 2003, Rik van Riel wrote:

> On Fri, 17 Oct 2003, Randy.Dunlap wrote:
> 
> > then I wait for 1-2 minutes and hit the power button.
> > This is on an IBM dual-proc P4 (non-HT) with 1 GB of RAM.
> > 
> > Has anyone else seen this?  Suggestions or fixes?
> 
> Chances are the 8kB stack window isn't 8kB aligned in the
> fixmap area, because of other patches interfering.  Try
> adding a dummy fixmap page to even things out.

Check the email with subject;
[PATCH][2.6] Fix 4G/4G and WP test lockup

Another thing is, you shouldn't be branching off to that test! Which gcc 
compiler are you using?