From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: raw disks no longer work in latest kvm (kvm-88 was fine) Date: Sun, 07 Mar 2010 00:28:43 +0300 Message-ID: <4B92C90B.4030807@msgid.tls.msk.ru> References: <4B92BF97.4040001@nagafix.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Antoine Martin Return-path: Received: from isrv.corpit.ru ([81.13.33.159]:49673 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753570Ab0CFV2p (ORCPT ); Sat, 6 Mar 2010 16:28:45 -0500 In-Reply-To: <4B92BF97.4040001@nagafix.co.uk> Sender: kvm-owner@vger.kernel.org List-ID: Antoine Martin wrote: > Hi, > > With qemu-kvm-0.12.3: > ./qemu-system-x86_64 [..] -drive file=/dev/sdc9,if=virtio,cache=none [..] > [ 1.882843] vdc: > [ 2.365154] udev: starting version 146 > [ 2.693768] end_request: I/O error, dev vdc, sector 126 > [ 2.693772] Buffer I/O error on device vdc, logical block 126 > [ 2.693775] Buffer I/O error on device vdc, logical block 127 > [ 2.693777] Buffer I/O error on device vdc, logical block 128 .. > [ 3.550076] end_request: I/O error, dev vdc, sector 0 > > Works fine with kvm-88: > cp /usr/src/KVM/kvm-88/pc-bios/*bin ./ > cp /usr/src/KVM/kvm-88/x86_64-softmmu/qemu-system-x86_64 ./ > ./qemu-system-x86_64 [..] -drive file=/dev/sdc9,if=virtio,cache=none [..] > > [ 1.650274] vdc: unknown partition table > [ 112.704164] EXT4-fs (vdc): mounted filesystem with ordered data mode > > I've tried running as root, using the block device directly (as shown > above) rather than using a softlink, etc.. > > Something broke. > Host and guest are both running 2.6.33 and latest KVM. https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2933400&group_id=180599