autotest/virt-test — pull request #1883 by FengYang (2014-11-13 10:02:13+00:00)
Title: virt: Add catch_monitor for ScreenDump and VmRegister threads.

We have many thread need send monitor command. So Add a
catch_monitor for ScreenDump and VmRegister threads to reduce
acquire exclusive lock fail.

Signed-off-by: Feng Yang