From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerry Geis Subject: Re: kvm guest for 486 sx Date: Tue, 07 Jul 2009 08:06:10 -0400 Message-ID: <4A533A32.7000505@pagestation.com> References: <4A525759.6090404@pagestation.com> <4A531B44.90803@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from www.emergencycommunicationsystems.com ([24.123.23.170]:52636 "EHLO unifiedpaging.messagenetsystems.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752212AbZGGMGU (ORCPT ); Tue, 7 Jul 2009 08:06:20 -0400 In-Reply-To: <4A531B44.90803@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > On 07/06/2009 10:58 PM, Jerry Geis wrote: >> I wish to run as a guest a 486 SX equivalent >> is there an option to disable the floating point support? >> >> Is it possible to do this? >> > > Try -cpu 486,-fpu. > Avi, Running this command: qemu-system-x86_64 -net nic,model=rtl8139 -net user -hda $1 -no-acpi -usb -cpu 486,-fpu & I get a seg fault: qemu-system-x86[15419]: segfault at c ip 0000000000458b95 sp 0000000041d9df90 error 4 in qemu-system-x86_64[400000+208000] I am running kvm-87 centos 5.3 x86_64. Jerry