From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34323) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XHDQL-00027g-7r for qemu-devel@nongnu.org; Tue, 12 Aug 2014 10:51:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XHDQF-0001te-0t for qemu-devel@nongnu.org; Tue, 12 Aug 2014 10:51:41 -0400 Received: from indium.canonical.com ([91.189.90.7]:45665) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XHDQE-0001tJ-R3 for qemu-devel@nongnu.org; Tue, 12 Aug 2014 10:51:34 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.76 #1 (Debian)) id 1XHDQD-0005m5-4Z for ; Tue, 12 Aug 2014 14:51:33 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id EC9CE2E83F0 for ; Tue, 12 Aug 2014 14:41:17 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 12 Aug 2014 14:31:32 -0000 From: Eyal Perry Sender: bounces@canonical.com References: <20140807104056.23920.38524.malonedeb@wampee.canonical.com> Message-Id: <20140812143132.17439.85360.malone@soybean.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 1353947] Re: Hypervisor with QEMU-2.0/libvirtd 1.2.2 stack when launching VM with CirrOS or Ubuntu 12.04 Reply-To: Bug 1353947 <1353947@bugs.launchpad.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Indeed, with qemu 1.5 we did not observed this issue at all. Sorry, but I don't have the resources at the moment to do the bisecting. -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1353947 Title: Hypervisor with QEMU-2.0/libvirtd 1.2.2 stack when launching VM with CirrOS or Ubuntu 12.04 Status in QEMU: New Status in =E2=80=9Clinux=E2=80=9D package in Ubuntu: Confirmed Bug description: The issue observed when running an hypervisor with QEMU 2.0/libvirtd 1.2.2 The VM network interface is attached to a PCI virtual function (SR-IOV). When we ran VM with guest OS CirrOS or Ubuntu 12.04 we observed an hiperv= isor hang shortly after the VM is loaded We observed the same issue with Mellanox NIC and with Intel NIC We=E2=80=99ve tried few combinations of {GuestOS}X{Hypervisor} and we got= the following findings: When a hypervisor is running QEMU 1.5/libvirtd 1.1.1 - no issue observed When a hypervisor is running QEMU 2.0/libvirtd 1.2.2 - CirrOS and Ubuntu = 12.04 guest OSes caused hypervisor hang When a hypervisor is running QEMU 2.0/libvirtd 1.2.2 - CentOS 6.4 and Ubu= ntu 13.10 - no issue observed The problematic guest OSes are with kernel versions ~3.2.y To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1353947/+subscriptions