From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264360AbTH2Cd6 (ORCPT ); Thu, 28 Aug 2003 22:33:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264362AbTH2Cd6 (ORCPT ); Thu, 28 Aug 2003 22:33:58 -0400 Received: from fw.osdl.org ([65.172.181.6]:51645 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S264360AbTH2Cd5 (ORCPT ); Thu, 28 Aug 2003 22:33:57 -0400 Message-ID: <32865.4.4.25.4.1062124435.squirrel@www.osdl.org> Date: Thu, 28 Aug 2003 19:33:55 -0700 (PDT) Subject: Re: 2.6.0-test4: Unable to handle kernel NULL pointer dereference From: "Randy.Dunlap" To: In-Reply-To: References: <20030828131019.69a9f3b9.akpm@osdl.org> X-Priority: 3 Importance: Normal Cc: , , X-Mailer: SquirrelMail (version 1.2.11) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > On Thu, 28 Aug 2003, Andrew Morton wrote: > >> Christopher Swingley wrote: >> > >> > kernel: Unable to handle kernel NULL pointer dereference at virtual >> address 00000000 ... >> > kernel: EIP is at find_inode_fast+0x1a/0x60 >> > ... >> > model name : AMD Athlon(tm) XP 1800+ >> > ... >> >> You've been bitten by the athlon-prefetch(0)-goes-oops problem. >> >> Nobody seems to be working this, so I'll be sending the below in to Linus. > > Let's not. If this goes in the Athlon users will get bad performance, > reliable operation, and no one will blame anything but the Athlon... If it > keeps oopsing hopefully people will complain and it will get fixed. > > Taking out features instead of fixing them is a bad president, this is not a > driver for an obsolete ISA card, this is a performance boost for a very > current CPU. I'm surprised AMD hasn't looked at it themselves. Is this the same issue as http://marc.theaimsgroup.com/?l=linux-kernel&m=106080170017645&w=2 in which AMD said, "Let us get back to you, ok?" on Aug. 13? ~Randy