From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Tue, 15 Feb 2005 19:19:40 +0000 Subject: Re: [rfc] generic allocator and mspec driver Message-Id: <16914.19276.477111.336616@napali.hpl.hp.com> List-Id: References: <16897.9640.160896.31584@jaguar.mkp.net> In-Reply-To: <16897.9640.160896.31584@jaguar.mkp.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Tue, 15 Feb 2005 13:11:20 -0600, Robin Holt said: Robin> We saw many silent data corruptions. The SN2 hardware will Robin> give an MCA if both types of references are made by the cpu Robin> at about the same time, but that depends on both transactions Robin> being on the bus in close relationship to each other. Yes, but the point is it affects _most_ of today's machines, including x86. A while ago, there were some nasty data corruption issues on AMD chips caused by the AGP GART and the large mappings used by the Linux kernel, for example. --david