> Date: Wed, 15 Apr 2015 16:48:54 +0100
> From: anthony.perard@citrix.com
> To: bderzhavets@hotmail.com
> CC: xen-devel@lists.xen.org
> Subject: Re: Ongoing issue with libvirt-xen driver for Openstack Nova
>
> On Fri, Apr 03, 2015 at 01:57:16PM -0400, Boris Derzhavets wrote:
> > Could you, please, point to the most recent commit in
> >
> > https://git.openstack.org/cgit/openstack/nova/
> >
> > for which procedure described in
> >
> > http://wiki.xen.org/wiki/OpenStack_via_DevStack
> >
> > provide an ability to launch nova instances via horizion or nova CLI.
> >
> > I am aware of bug https://bugs.launchpad.net/nova/+bug/1425115
> >
> > and tried to revert commit http://git.openstack.org/cgit/openstack/nova/commit/?id=0696a5cd5f0fdc08951a074961bb8ce0c3310086
> > right after stack.sh cloned /opt/stack/nova and was able successfully complete devstack install with nova-compute daemon up and running.
> > However, finally attempting to launch Cirros instance I've got following errors in /var/log/libvirt/libxl/instance-00000003.log :-
> >
> > libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: /etc/xen/scripts/vif-bridge online [-1] exited with error status 1
> > libxl: error: libxl_device.c:1085:device_hotplug_child_death_cb: script: ip link set vif1.0 name tap7f39f4aa-d1 failed
> > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister: watch w=0x7f9e67ee53c0: deregister unregistered
> > libxl: error: libxl_create.c:1226:domcreate_attach_vtpms: unable to add nic devices
> >
> > Another approach to test driver described in details in bug
> >
> > https://bugs.launchpad.net/ubuntu/+source/nova/+bug/1439645
> >
> > resulted absolutely same errors errors in same log file.
>
> Hi Boris,
>
> from the look at the bug 1439645, it looks like your are using Neutron for
> the network and this probably were things goes wrong. I think there is a
> compatibility issue between Neutron and the script
> /etc/xen/scripts/vif-bridge from the XenProject.
>
> Can you look into /var/log/xen/xen-hotplug.log ? There is maybe an error
> message that would tell why "ip link set ..." failed.
>
> --
> Anthony PERARD