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Date: Thu, 26 Sep 2002 16:34:10 +0100
From: Dave Jones <davej@codemonkey.org.uk>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: 20020912161258.A9056@informatics.muni.cz, linux-kernel@vger.kernel.org,
       Mark Hahn <hahn@physics.mcmaster.ca>, kernel@street-vision.com,
       Petr Konecny <pekon@informatics.muni.cz>,
       "Bruno A. Crespo" <bruno@conectatv.com>,
       Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
Subject: Re: AMD 768 erratum 10 (solved: AMD 760MPX DMA lockup)
Message-ID: <20020926153410.GA4381@suse.de>
Mail-Followup-To: Dave Jones <davej@codemonkey.org.uk>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	20020912161258.A9056@informatics.muni.cz,
	linux-kernel@vger.kernel.org, Mark Hahn <hahn@physics.mcmaster.ca>,
	kernel@street-vision.com, Petr Konecny <pekon@informatics.muni.cz>,
	"Bruno A. Crespo" <bruno@conectatv.com>,
	Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
References: <20020925132422.GC14381@fi.muni.cz> <1033052890.1269.28.camel@irongate.swansea.linux.org.uk>
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On Thu, Sep 26, 2002 at 04:08:10PM +0100, Alan Cox wrote:
 > Looks like the obvious fix is to simply disable the APIC on all such
 > systems

Converting a *lot* of MP systems to UP due to an errata
that only occurs with no PS/2 mouse seems a bit extreme.
Can we safely probe the PS2 port to see if its empty or not
and do a runtime APIC/SMP disable really early in the boot ?

		Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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