From owner-freebsd-questions Tue Feb 5 7:30:55 2002 Delivered-To: freebsd-questions@freebsd.org Received: from post.mail.nl.demon.net (post-11.mail.nl.demon.net [194.159.73.21]) by hub.freebsd.org (Postfix) with ESMTP id 98DF937B41D for ; Tue, 5 Feb 2002 07:30:46 -0800 (PST) Received: from [212.238.194.207] (helo=mailhost.raggedclown.net) by post.mail.nl.demon.net with esmtp (Exim 3.33 #1) id 16Y7YT-00051h-00 for freebsd-questions@freebsd.org; Tue, 05 Feb 2002 15:30:45 +0000 Received: from angel.raggedclown.net (angel.raggedclown.intra [192.168.1.7]) by mailhost.raggedclown.net (Ragged Clown Mail Gateway [buffy]) with ESMTP id E2A9513040 for ; Tue, 5 Feb 2002 16:30:44 +0100 (CET) Received: by angel.raggedclown.net (Ragged Clown Host [angel], from userid 1001) id D2BB822590; Tue, 5 Feb 2002 16:30:44 +0100 (CET) Date: Tue, 5 Feb 2002 16:30:44 +0100 From: Cliff Sarginson To: freebsd-questions@freebsd.org Subject: Re: Does this affect FreeBSD? Message-ID: <20020205153044.GB2251@raggedclown.net> References: <3C5FF7A5.7000805@cs.rutgers.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3C5FF7A5.7000805@cs.rutgers.edu> User-Agent: Mutt/1.3.27i Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Feb 05, 2002 at 10:17:57AM -0500, Aniruddha Bohra wrote: > Hi > Came across this while trying to find why my computer spontaneously > reboots. > Apparently there is some bug/feature in the AMD Athlon chip which > interacts with > the graphics card to cause the reboot. Does this affect the FreeBSD > systems as well? > > http://www.theregister.co.uk/content/3/23749.html > > AMD concludes:- "Our conclusion is that the operating system is > creating coherency problems within the system by creating cacheable > translation to AGP GART-mapped physical memory... > When the cache-line eviction occurs the stale data written to > physical memory has fatal side effects." Or translated. There is no problem with the chip. Just the all the O/S'es that want to use it. This is the "Is it me or the rest of the army that is out of step" problem. -- Regards Cliff To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message