Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030317AbWISACv (ORCPT ); Mon, 18 Sep 2006 20:02:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030318AbWISACv (ORCPT ); Mon, 18 Sep 2006 20:02:51 -0400 Received: from wx-out-0506.google.com ([66.249.82.236]:882 "EHLO wx-out-0506.google.com") by vger.kernel.org with ESMTP id S1030316AbWISACt (ORCPT ); Mon, 18 Sep 2006 20:02:49 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=UPZHAh0NTVG1L8T/OCvVbU3e7NtUpqoj2s67KbDSC9dYbJlGeJbM//+SXE5M+d2x0RQCnxjjzDUs2T/9Z5dBYs+APcP+RBwnLCSLZMKx2bxJ8monGyefKYQnUdT3b7yitN1v11gF5zn5ewVgFlE9q7jrtrdPwFQfKKqUIKTwm18= Message-ID: <9a8748490609181702r6a6bac4et560081e2a25adc1f@mail.gmail.com> Date: Tue, 19 Sep 2006 02:02:48 +0200 From: "Jesper Juhl" To: sergio@sergiomb.no-ip.org Subject: Re: Math-emu kills the kernel on Athlon64 X2 Cc: "Linux Kernel Mailing List" , billm@melbpc.org.au, billm@suburbia.net In-Reply-To: <1158623391.13821.4.camel@localhost.portugal> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <9a8748490609181518j2d12e4f0l2c55e755e40d38c2@mail.gmail.com> <1158623391.13821.4.camel@localhost.portugal> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1309 Lines: 30 On 19/09/06, Sergio Monteiro Basto wrote: > On Tue, 2006-09-19 at 00:18 +0200, Jesper Juhl wrote: > > Hi, > > > > If I enable the math emulator in 2.6.18-rc7-git2 (only version I've > > tried this with) and then boot the kernel with "no387" then I only get > > as far as lilo's "...Booting the kernel." message and then the system > > hangs. > > > > I think, math emulation is for 486 and older. 486 DX2 was the first one > who have math co processor, on earlier processor it should be disable . > Yes, it's mainly there for CPU's that don't have a math co-processor, but it's also there for the cases where the math co-processor is broken or where for some other reason you may not want to use it - so it really should work... Sure, it may be slow as hell compared to hardware, but if it's there and I can select it then it should at least be functional. -- Jesper Juhl Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html - 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/