From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34222) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XF4Bz-00012w-OS for qemu-devel@nongnu.org; Wed, 06 Aug 2014 12:36:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XF4Bu-0001Wd-Cb for qemu-devel@nongnu.org; Wed, 06 Aug 2014 12:35:59 -0400 Received: from indium.canonical.com ([91.189.90.7]:41811) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XF4Bu-0001WX-70 for qemu-devel@nongnu.org; Wed, 06 Aug 2014 12:35:54 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.76 #1 (Debian)) id 1XF4Bt-0002gr-1o for ; Wed, 06 Aug 2014 16:35:53 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 0BAF02E802D for ; Wed, 6 Aug 2014 16:35:53 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 06 Aug 2014 16:30:00 -0000 From: Paolo Bonzini Sender: bounces@canonical.com References: <20140227150100.32637.87688.malonedeb@gac.canonical.com> Message-Id: <20140806163000.21592.7232.malone@soybean.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 1285708] Re: FreeBSD Guest crash on boot due to xsave instruction issue Reply-To: Bug 1285708 <1285708@bugs.launchpad.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org You don't need "+xsave", "-cpu host" just works. The bug is invalid. You are requesting a CPU that doesn't exist (a core2duo that supports XSAVE), and the guest's behavior is probably not going to be well defined. ** Changed in: qemu Status: New =3D> Invalid -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1285708 Title: FreeBSD Guest crash on boot due to xsave instruction issue Status in QEMU: Invalid Status in qemu-kvm: New Status in =E2=80=9Clinux=E2=80=9D package in Ubuntu: Fix Released Status in =E2=80=9Clinux=E2=80=9D source package in Precise: Won't Fix Status in =E2=80=9Clinux=E2=80=9D source package in Trusty: In Progress Bug description: When trying to boot a working FreeBSD 9.1/9.2 guest on a kvm/qemu host with the following command: kvm -m 256 -cdrom FreeBSD-9.2-RELEASE-amd64-disc1.iso -drive file=3DFreeBSD-9.2-RELEASE-amd64.qcow2,if=3Dvirtio -net nic,model=3Dvirtio -net user -nographic -vnc :10 -enable-kvm -balloon virtio -cpu core2duo,+xsave The FreeBSD Guest will kernel crash on boot with the following error: panic: CPU0 does not support X87 or SSE: 0 When launching the guest without the cpu flags, it works just fine. This bug has been resolved in source: https://lkml.org/lkml/2014/2/22/58 Can this fix be included in Precise ASAP! To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1285708/+subscriptions