From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 28 Jul 2001 07:29:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 28 Jul 2001 07:29:12 -0400 Received: from postfix2-1.free.fr ([213.228.0.9]:11539 "HELO postfix2-1.free.fr") by vger.kernel.org with SMTP id ; Sat, 28 Jul 2001 07:29:01 -0400 Message-ID: <3B62F660.FAAB2071@free.fr> Date: Sat, 28 Jul 2001 13:29:04 -0400 From: PEIFFER Pierre X-Mailer: Mozilla 4.77 [fr] (X11; U; Linux 2.4.7 i686) X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Re: VIA KT133A / athlon / MMX In-Reply-To: <20010728083724.A1571@weta.f00f.org> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Original-Recipient: rfc822;linux-kernel-outgoing Chris Wedgwood a écrit : > > On Fri, Jul 27, 2001 at 09:19:21PM +0100, Alan Cox wrote: > > Its heavily tied to certain motherboards. Some people found a > better PSU fixed it, others that altering memory settings > helped. And in many cases, taking it back and buying a different > vendors board worked. > > My guess is its some kind of timing or near-miss on a signal edge, and > the bios changes relax things so you don't miss whatever it was you > missed before. > Ok, after reading that, I've tried to see if my BIOS setting changes were implicated or not. And I've found a winner: Disabling option "Enhance Chip Performance" makes kernel K7-mmx routines work fine. Enabling it causes the kernel crash at boot time... (And I haved it enable) FYI, according to the user's manual, enabling this option "set the north bridge chipset timing parameters more aggressively providing higher system performance" (Default value is 'disable'). I can't say more about what it does exactly. I don't know if this will help you to locate the problem, but at least, Abit's users will be warned... Thanks for your help ! Pierre