On Wed, Aug 20, 2014 at 05:23:21PM +0800, Zhangjie (HZ) wrote: > On 2014/8/19 12:56, Jason Wang wrote: > > commit a9f98bb5ebe6fb1869321dcc58e72041ae626ad8 vhost: multiqueue > call it before setting > > Zhang Jie, please test this patch to see if it fixes the issue. > > > +static void vhost_net_set_vq_index(struct vhost_net *net, int vq_index) > > +{ > > + net->dev.vq_index = vq_index; > > +} > int vq_index) > > ... > Because of vhost_net_set_vq_index, VM can be start successfully. > But, after about 80 times of migration under my environment, virtual nic > became unreachable again. > When I use jprobe to notify tap, the virtual nic becomes reachable again. > This shows that interrupts missing causes > the problem.
Could you please clarify what do you mean by "notify tap" here? Thanks! > -- > Best Wishes! > Zhang Jie