From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:45925) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RsaQj-0000Pu-Lb for qemu-devel@nongnu.org; Wed, 01 Feb 2012 08:41:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RsaQd-0007ml-1O for qemu-devel@nongnu.org; Wed, 01 Feb 2012 08:40:57 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36403) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RsaQc-0007lp-Jb for qemu-devel@nongnu.org; Wed, 01 Feb 2012 08:40:50 -0500 Message-ID: <4F2940DD.5090807@redhat.com> Date: Wed, 01 Feb 2012 15:40:45 +0200 From: Avi Kivity MIME-Version: 1.0 References: <923364617.199626.1328100735285.JavaMail.open-xchange@email.1und1.de> In-Reply-To: <923364617.199626.1328100735285.JavaMail.open-xchange@email.1und1.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] git bisect results: ec757c67c40a56492001487e69272f62144fd124 breaks windows boot in qemu-kvm List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Erik Rull Cc: "qemu-devel@nongnu.org" , "kvm@vger.kernel.org" On 02/01/2012 02:52 PM, 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... The differences are being reduced rapidly, thanks to Jan's efforts. Right now what remains is PIT performance and accuracy, device assignment, and Windows XP performance. Most guests should see the same performance. > 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: > 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 > > What version of Windows are you using? What's the contents of /etc/ich9-ehci-uhci.cfg? -- error compiling committee.c: too many arguments to function