linux-kernel - Re: kernel won't boot on a Cyrix MediaGXm (Geode )

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Message-ID: <488E08C4.20809@sieb.net>
Date:	Mon, 28 Jul 2008 10:58:28 -0700
From:	Samuel Sieb <samuel@...b.net>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Juergen Beisert <jbe@...gutronix.de>, linux-kernel@...r.kernel.org,
	"Rafael C. de Almeida" <almeidaraf@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Magnus Damm <magnus@...inux.co.jp>,
	takada <takada@....nifty.com>
Subject: Re: kernel won't boot on a Cyrix MediaGXm (Geode )

Ingo Molnar wrote:
> * Samuel Sieb <samuel@...b.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?
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