From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: git bisect results: ec757c67c40a56492001487e69272f62144fd124 breaks windows boot in qemu-kvm Date: Wed, 01 Feb 2012 20:02:26 +0100 Message-ID: <4F298C42.6050700@siemens.com> References: <923364617.199626.1328100735285.JavaMail.open-xchange@email.1und1.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: "kvm@vger.kernel.org" , "qemu-devel@nongnu.org" , Avi Kivity To: Erik Rull Return-path: Received: from david.siemens.de ([192.35.17.14]:26779 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755674Ab2BATCg (ORCPT ); Wed, 1 Feb 2012 14:02:36 -0500 In-Reply-To: <923364617.199626.1328100735285.JavaMail.open-xchange@email.1und1.de> Sender: kvm-owner@vger.kernel.org List-ID: On 2012-02-01 13:52, Erik Rull wrote: > Hi all, > > first of all I'm a bit confused: > > What is the difference between qemu with command line option --enable-kvm > and qemu-kvm? > It seems to be a difference in code so far, from the performance point of > view it seems to be the same... > > Now my issue that lead me to a git bisect on qemu-kvm: > The following commit / merge breaks my windows guest boot sequence and > causes resets infinitely: Cannot confirm yet, but I have no ACPI-free Windows installation at hand. Where does it reset, after the BIOS? > ec757c67c40a56492001487e69272f62144fd124 Merge branch 'upstream-merge' into > next > Thu, 5 Jan 2012 11:00:07 +0000 (13:00 +0200) Avi Kivity > > > Interesting: qemu with --enable-kvm master and the same command line > options as qemu-kvm runs perfect. > My command line options are: > qemu-system-x86_64 -serial /dev/ttyS2 -readconfig /etc/ich9-ehci-uhci.cfg > -device usb-host,bus=ehci.0 -device usb-tablet -drive > file=/dev/sda2,cache=off -m 1024 -net nic,macaddr=$MACADDR -net > tap,script=/etc/qemu-ifup -no-acpi -monitor stdio -L /usr/X11R6/share/qemu > -boot c -localtime Is the BIOS at /usr/X11R6/share/qemu in sync with the qemu version you try? Does leaving out options change the picture? Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux