From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 7 Feb 2003 09:11:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 7 Feb 2003 09:11:31 -0500 Received: from k101-11.bas1.dbn.dublin.eircom.net ([159.134.101.11]:3346 "EHLO corvil.com.") by vger.kernel.org with ESMTP id ; Fri, 7 Feb 2003 09:11:31 -0500 Message-ID: <3E43C003.7090602@draigBrady.com> Date: Fri, 07 Feb 2003 14:17:39 +0000 From: P@draigBrady.com User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2) Gecko/20021203 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Dave Jones CC: c1cc10 , linux-kernel@vger.kernel.org Subject: Re: Cyrix III processor and kernel boot problem References: <3E43C79A.2010506@autistici.org> <20030207141052.GA22687@codemonkey.org.uk> In-Reply-To: <20030207141052.GA22687@codemonkey.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Dave Jones wrote: > On Fri, Feb 07, 2003 at 02:50:02PM +0000, c1cc10 wrote: > > I've found out that the Cyrix III has no CMOV instruction and that this > > could be the problem. > > So I compiled a pentium mmx version (after mrproper and dep) and all > > worked fine. > > My question is: ok, it can't work if 686 compiled, but why does not it > > work also for the Cyrix III version? > > The CyrixIII compile option should not generate cmov. > If you can objdump -D vmlinuz and grep for cmov, and find out ^^^^^^^ -> vmlinux-2.4.20 > as a sidenote, the new C3s (Nehemiah) now have CMOV. but no 3dnow so older C3 specific kernels don't work! Pádraig.