From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40268) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhSV7-00030O-Le for qemu-devel@nongnu.org; Mon, 23 Jul 2018 00:31:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fhSV6-0000O2-JS for qemu-devel@nongnu.org; Mon, 23 Jul 2018 00:31:13 -0400 Received: from indium.canonical.com ([91.189.90.7]:38636) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fhSV6-0000MR-Dc for qemu-devel@nongnu.org; Mon, 23 Jul 2018 00:31:12 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1fhSV4-0006ra-Ot for ; Mon, 23 Jul 2018 04:31:10 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id A578F2E80D4 for ; Mon, 23 Jul 2018 04:31:10 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Mon, 23 Jul 2018 04:17:13 -0000 From: Launchpad Bug Tracker <1353947@bugs.launchpad.net> Reply-To: Bug 1353947 <1353947@bugs.launchpad.net> Sender: bounces@canonical.com References: <20140807104056.23920.38524.malonedeb@wampee.canonical.com> Message-Id: <153231943526.16639.17946687021625046498.malone@loganberry.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 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org [Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete =3D> Expired -- = 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: Expired Status in linux package in Ubuntu: Expired 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