n Sat, Dec 08, 2018 at 11:58:59AM +0000, xuyandong wrote: > > Hi all, > > > > > > > > In our test, we configured VM with several pci-bridges and a > > virtio-net nic been attached with bus 4, > > > > After VM is startup, We ping this nic from host to judge if it is > > working normally. Then, we hot add pci devices to this VM with bus 0. > > > > We found the virtio-net NIC in bus 4 is not working (can not connect) > > occasionally, as it kick virtio backend failure with error below: > > > > Unassigned mem write 00000000fc803004 = 0x1 > > Thanks for the report. Which guest was used to produce this problem? > > -- > MST
I was seeing this problem when I hotplug a VFIO device to guest CentOS 7.4, after that I compiled the latest Linux kernel and it also contains this problem. Thinks, Xu
