Message-ID: <3F36E340.2020701@pobox.com>
Date: Sun, 10 Aug 2003 20:28:48 -0400
From: Jeff Garzik <jgarzik@pobox.com>
Organization: none
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To: Albert Cahalan <albert@users.sf.net>
CC: linux-kernel mailing list <linux-kernel@vger.kernel.org>, mikpe@csd.uu.se,
       m.c.p@wolk-project.de
Subject: Re: [patch 2.4 1/2] backport 2.6 x86 cpu capabilities
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Albert Cahalan wrote:
> Mikael Pettersson writes:
> 
> 
>>2.4.21-rc1 with NCAPINTS==6 hangs at boot in the local
>>APIC timer calibration step; before that it detected a
>>0MHz bus clock and the local APIC NMI watchdog was stuck.
>>Correcting head.S:X86_VENDOR_ID fixes these problems.
>>
>>Without correcting head.S:X86_VENDOR_ID, head.S will store
>>the vendor id partly in the capabilities array. This breaks
>>both the capabilities and the vendor id. I can't say why 2.6
>>works, but obviously the CPU setup code has changed since 2.4.
> 
> 
> I may be stating the obvious, but in case not...
> 
> If Jeff Garzik missed this, others will too. I hope
> that a big comment gets added in both places, assuming
> that automatic offset generation isn't practical.


Yeah, I'm queueing a change to do that, actually, so that a grep for 
NCAPINTS will hit head.S.

	Jeff


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