tags 803264 +moreinfo thanks Hi, On Wed, Oct 28, 2015 at 02:35:04PM +0100, Thomas SILVESTRE wrote: > Package: libvirt-daemon > Version: 1.2.9-9+deb8u1 > Severity: normal > > Dear Maintainer, > > I'm using libvirt to virtualize a VM on my laptop, this vm has to be bridged > on > the network and I'm using macvtap technology (trough virt-manager) > > here is the xml part of the domain regarding network: > <interface type='direct'> > <mac address='52:54:00:7f:de:65'/> > <source dev='eth0' mode='bridge'/> > <target dev='macvtap0'/> > <model type='virtio'/> > <alias name='net0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x03' > function='0x0'/> > </interface> > <interface type='network'> > <mac address='52:54:00:49:cb:48'/> > <source network='priv'/> > <target dev='vnet0'/> > <model type='virtio'/> > <alias name='net1'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x07' > function='0x0'/> > </interface> > > When the laptop boot and I start the VM, there's no problem. > But when I put the laptop to sleep, the macvtap interface will never get up > again. > > I even tried to stop the vm, libvirt, unload modules (macvtap, vhost_net, > vhost, e1000e), but nothing help. > > The only way to get it back working is to reboot the host os (like Windows, > booohooo :-( ) > > *** Reporter, please consider answering these questions, where appropriate *** > > * What led up to the situation? > > I'm not sure, either unplug/plug the ethernet connection (like removing the > laptop from its docking station), or put laptop on sleep and wake him. > > > * What exactly did you do (or not do) that was effective (or > ineffective)? > > Appart a reboot, nothing effective. > > * What was the outcome of this action? > * What outcome did you expect instead? > > When the system is wokring, the macvtap interface is "UP", but when the > problem > occurs the interface is "DOWN". Of course a "ip link set macvtap0 up" or > delete > interface and recreate them did not help. > > The only thing I founded in the log is this message: > IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready
It is unlikely that this is a libvirt issue. I'd try to reproduce without libvirt (qemu/kvm only). Please see if this happens then either. If this still happens we can reassign to the proper component. Also please attach your vm/network coniguration xml. CHeers, -- Guido

