> Op 21 juli 2017 om 17:57 schreef Dmytro Shevchenko > <dshevchenko.m...@gmail.com>: > > > Here is the error that we caught with Libvirt 1.3.1: > > 2017-07-21 11:46:27,501 WARN [kvm.resource.LibvirtComputingResource] > (agentRequest-Handler-1:null) Plug Nic failed due to > org.libvirt.LibvirtException: internal error: unable to execute QEMU command > 'device_add': Hot-plugged device without ROM bar can't have an option ROM > org.libvirt.LibvirtException: internal error: unable to execute QEMU command > 'device_add': Hot-plugged device without ROM bar can't have an option ROM > at org.libvirt.ErrorHandler.processError(Unknown Source) > at org.libvirt.Connect.processError(Unknown Source) >
Can you show where this happens? Is that on VM start? If so, you see the XML in the agent.log and start then fails? This seems like a libvirt 1.3.1 thing we might need to take a look at. Wido > > On 21.07.17 16:18, Andrija Panic wrote: > > Hi all, > > > > we are using ACS 4.8, on Ubuntu 14.04 (stock version qemu/libvirt - > > 2.0.0/1.2.2) and we have issues during live migration of "busy" VMs (high > > RAM change rate), so we plan to introduce additional flag+global parameter > > in ACS, which will auto converge flag libvirt to enable auto convergence > > (thanks Mike. T :) ) > > > > qemu 1.6+ supports auto convergence, but before 2.5 it's mostly useless > > (based on docs and my own testing) > > > > Since we cant upgrade to Ubuntu 16.04 before ACS 4.9 or 4.10 release, we > > are forced to play with qemu/libvirt verisons, so I used Ubuntu OpenStack > > repo for "MITAKA" release, which provides QEMU 2.5 / LIBVIRT 1.3.1 (auto > > convergence works like charm). > > > > > > Now, we are facing different issues that ACS send command to libvirt, but > > libvirt basically do some silly things and cant start some VMs at all, etc. > > > > Anyone running ACS 4.8 with qemu 2.5+ and libvirt 1.3 , any advice how to > > proceed (our developers are already debugging things, but this takes time) ? > > > > Any info is really appreciated. > > > > Thanks ! > > >
