Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761239AbXEQDG5 (ORCPT ); Wed, 16 May 2007 23:06:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758590AbXEQDGv (ORCPT ); Wed, 16 May 2007 23:06:51 -0400 Received: from terminus.zytor.com ([192.83.249.54]:45579 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758584AbXEQDGu (ORCPT ); Wed, 16 May 2007 23:06:50 -0400 Message-ID: <464BC67F.7080707@zytor.com> Date: Wed, 16 May 2007 20:05:35 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Linus Torvalds CC: Christian , linux-kernel@vger.kernel.org Subject: Re: 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64 References: <464B9D2C.7040704@cv-sv.de> <464BAF07.9020003@cv-sv.de> In-Reply-To: X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 912 Lines: 26 Linus Torvalds wrote: > > On Thu, 17 May 2007, Christian wrote: > >> Linus Torvalds wrote: >>> Can you check? The Nehemian (C3-2) should be model 9 or greater. >> Yes, it's a Nehemiah > > Ok. If so, we should blacklist both MCYRIXIII and MVIAC3_2, I suspect. > >> lola:~ # cat /proc/cpuinfo >> flags : fpu vme de pse tsc msr cx8 sep mtrr pge cmov pat mmx fxsr sse rng rng_en ace ace_en > > However, it does seem to *claim* to support "cx8" aka cmpxchg8b. What's up > with that? It gets turned on by the code in arch/i386/kernel/cpu. It's just that the new code that Andi added runs during setup, i.e. in real mode, so *way* earlier than that. -hpa - 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/