From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Bug in reboot when using scsi or virtio Date: Sat, 30 Aug 2008 13:06:02 +0300 Message-ID: <48B91B8A.1010007@qumranet.com> References: <48B8436E.7090900@actusa.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Stuart Sheldon Return-path: Received: from il.qumranet.com ([212.179.150.194]:42776 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751053AbYH3KF6 (ORCPT ); Sat, 30 Aug 2008 06:05:58 -0400 In-Reply-To: <48B8436E.7090900@actusa.net> Sender: kvm-owner@vger.kernel.org List-ID: Stuart Sheldon wrote: > Guest boots and runs fine, but does not see boot device on guest reboot > if if=scsi or if=virtio is used. > > Boot Screen after reboot: > Booting from Hard Disk... > Boot from Hard Disk failed: could not read boot disk > ... More failed boot devices that shouldn't boot anyway... > FATAL: No bootable device > > This was caused by the extboot rom writing into itself, thus failing checksum on the next reboot. I fixed this for kvm-75 by reloading the rom on reset. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.