[Qemu-devel] Guest Reboot After Plug HDMI

[Lying]

Hello, Everybody. I encounter a problem when i using my guest.

I booting my guest without HDMI primarily, Then i add it, but my guest is be 
rebooted.


To know what cause it, i do it again, especially i check my guest is running 
normal or not with "ping" before plugging, that's well.


What i was suffer? can you help me solve it?


Following message is detailed!!!


Guest: window 7 profession


Linux: Ubuntu 1604


Qemu:1 v2.11.0-rc0 


Libvirt: 3.9


method of  booting: virsh start myGuest1


method of plug HDMI: virsh qemu-monitor-command myGuest1 --hmp 'device_add 
driver=vfio-pci,host=01:00.0,xvga=on,multifunction=yes' 


phenomenon: after plugging, my Guest is failed to check with "ping", for a 
while, my display is light and load windows.


expect: my guest is running when i plug HDMI, it  seem that hot add a device.