Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261214AbVDDKsK (ORCPT ); Mon, 4 Apr 2005 06:48:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261215AbVDDKsK (ORCPT ); Mon, 4 Apr 2005 06:48:10 -0400 Received: from clock-tower.bc.nu ([81.2.110.250]:45024 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S261214AbVDDKsH (ORCPT ); Mon, 4 Apr 2005 06:48:07 -0400 Subject: Re: AMD64 Machine hardlocks when using memset From: Alan Cox To: Robert Hancock Cc: Paul Jackson , Linux Kernel Mailing List In-Reply-To: <424E24A5.4040102@shaw.ca> References: <3NZDp-4yY-7@gated-at.bofh.it> <3OmgF-6HV-17@gated-at.bofh.it> <3OmgF-6HV-15@gated-at.bofh.it> <3Oy8m-74-15@gated-at.bofh.it> <424E0424.7080308@shaw.ca> <20050401201105.4a03bda1.pj@engr.sgi.com> <424E24A5.4040102@shaw.ca> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1112611507.8664.544.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Mon, 04 Apr 2005 11:45:10 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 738 Lines: 17 On Sad, 2005-04-02 at 05:50, Robert Hancock wrote: > I'm wondering if one does a ton of these cache-bypassing stores whether > something gets hosed because of that. Not sure what that could be > though. I don't imagine the chipset is involved with any of that on the > Athlon 64 - either the CPU or RAM seems the most likely suspect to me The glibc version is essentially the "perfect" copy function for the CPU. If you have any bus/memory problems or chipset bugs it will bite you. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/