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Message-ID: <488E08C4.20809@sieb.net>
Date: Mon, 28 Jul 2008 10:58:28 -0700
From: Samuel Sieb <samuel@sieb.net>
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To: Ingo Molnar <mingo@elte.hu>
CC: Juergen Beisert <jbe@pengutronix.de>, linux-kernel@vger.kernel.org,
       "Rafael C. de Almeida" <almeidaraf@gmail.com>,
       Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
       Magnus Damm <magnus@valinux.co.jp>, takada <takada@mbf.nifty.com>
Subject: Re: kernel won't boot on a Cyrix MediaGXm (Geode )
References: <48841A92.4020301@sieb.net> <48856BC6.7030308@sieb.net> <20080722102457.GA773@elte.hu> <200807221251.10843.jbe@pengutronix.de> <4886DB31.8070306@sieb.net> <20080728153224.GA28495@elte.hu>
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Ingo Molnar wrote:
> * Samuel Sieb <samuel@sieb.net> wrote:
> 
>>> The only critical tweak I found is the one that changes the 
>>> "Performance Control Incrementer" because its settings depends on the 
>>> CPU's core frequency. Maybe this tweak should be removed, because the 
>>> BIOS (hopefully) set it in a way the hardware supports.
>> This was the only line that was a problem.  See the other branch of 
>> this thread with Juergen Beisert.
> 
> any patch we should pick up to make your box boot?
> 
Are you suggesting I should make the patch or you're just asking which 
lines?  What I did to make a kernel that boots was to comment out the 
line that calls the incrementor setup function.  It sounds like the 
stepping 2 version doesn't have the problem, so if possible could you 
call the function based on it not being a stepping 1 CPU?