On 20.07.2015 10:43, ychen wrote: > hi: > when I use openstack devstack to test QOS, wired phenomenon appeared, > I set qos ingress rule in tapB, but when I reboot tapA, the ingress rule of tapB automatically removed, but the egress rule is still exist. > Test enviroment: > Linux: ubuntu 14.04.1 LTS > kernel: 3.13.0-32-generic > libvirt: 1.2.2 > openstack: havana > > > 1. use nova to create vm A and vm B. for the configuration of the libvirt xml, see the last paragraph in the end. > 2. use tc cmd to create qos rule for vm A and vm B > tc qdisc add dev tap3d0d2c4a-0b ingress //vmA > tc qdisc add dev tap896d5066-69 ingress //vmB > > > 3. then use cmd > "sudo virsh destory 142a08db-6e25-4a03-be13-7073104b0745 " to first shutdown vm1 > then I see ingress rule of vmB disappeared :( > Interesting. With the latest libvirt I am unable to reproduce - there's a check and QoS is cleared out only if set in domain XML. Since your domain XML lacks it, I guess it's either already fixed or not libvirt fault. Michal -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list