Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753604AbXACCUl (ORCPT ); Tue, 2 Jan 2007 21:20:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753638AbXACCUl (ORCPT ); Tue, 2 Jan 2007 21:20:41 -0500 Received: from smtp.bulldogdsl.com ([212.158.248.7]:2226 "EHLO mcr-smtp-001.bulldogdsl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753593AbXACCUk (ORCPT ); Tue, 2 Jan 2007 21:20:40 -0500 X-Spam-Abuse: Please report all spam/abuse matters to abuse@bulldogdsl.com From: Alistair John Strachan To: Mikael Pettersson Subject: Re: kernel + gcc 4.1 = several problems Date: Wed, 3 Jan 2007 02:20:24 +0000 User-Agent: KMail/1.9.5 Cc: torvalds@osdl.org, 76306.1226@compuserve.com, akpm@osdl.org, bunk@stusta.de, greg@kroah.com, linux-kernel@vger.kernel.org, yanmin_zhang@linux.intel.com References: <200701030212.l032CDXe015365@harpo.it.uu.se> In-Reply-To: <200701030212.l032CDXe015365@harpo.it.uu.se> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200701030220.24897.s0348365@sms.ed.ac.uk> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1188 Lines: 31 On Wednesday 03 January 2007 02:12, Mikael Pettersson wrote: > On Tue, 2 Jan 2007 17:43:00 -0800 (PST), Linus Torvalds wrote: > > > The suggestions I've had so far which I have not yet tried: > > > > > > - Select a different x86 CPU in the config. > > > - Unfortunately the C3-2 flags seem to simply tell GCC > > > to schedule for ppro (like i686) and enabled MMX and SSE > > > - Probably useless > > > > Actually, try this one. Try using something that doesn't like "cmov". > > Maybe the C3-2 simply has some internal cmov bugginess. > > That's a good suggestion. Earlier C3s didn't have cmov so it's > not entirely unlikely that cmov in C3-2 is broken in some cases. > Configuring for P5MMX or 486 should be good safe alternatives. Or just C3 (not C3-2), which is what I've done. I'll report back whether it crashes or not. -- Cheers, Alistair. Final year Computer Science undergraduate. 1F2 55 South Clerk Street, Edinburgh, UK. - 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/