From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: dom0 kenrel crashes for openstack + libvirt + libxl Date: Thu, 13 Nov 2014 10:40:16 +0000 Message-ID: <54648A90.5060307@citrix.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Xing Lin , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 12/11/14 18:41, Xing Lin wrote: > Hi, > > I am aware that Xen via libvirt is in the group C support for openstack > but since I am not able to install xenserver iso at compute machines I > have, I have to consider to use xen with libvirt (xcp-xapi is not > available for ubuntu14.04). I have three nodes, each one running ubuntu > 14.04. I follow the instruction to install juno in ubuntu 14.04 and it > works (I can create instances from openstack GUI - horizon) when I use > kvm as the hypervisor at the compute node . However, if I switch to use > xen as the hypervisor by installing xen-hypervisor-amd64 or > nova-compute-xen, it will fail to create instances. It complained > "backend for qemu disk is not ready". I checked and did not find qemu > process running in dom0. I could not find /etc/init.d/xencommons > either. Then, I compiled and installed xen-4.4 from source code and I > got xencommons in /etc/init.d. qemu process is running in dom0. However, > the dom0 kernel crashes this time when I try to launch an instance from > openstack GUI. I am able to create a xen guest with virt-install from > command line, with the following command. > > "$ virt-install --connect=xen:/// --name u14.04.3 --ram 1024 --disk > u14.04.3.img,size=4,driver_name=qemu > --location http://ftp.ubuntu.com/ubuntu/dists/trusty/main/installer-amd64/ --network > bridge=virbr0" Does this ubuntu bug look relevant? https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1350373 David