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37e1677330
Unexpected power cycle occurs while the installation of the kernel. ssh root@Test sync ... [0 seconds] SUCCESS ssh root@Test reboot ... [1 second] FAILED! virsh destroy Test; sleep 5; virsh start Test ... [6 seconds] SUCCESS That is because REBOOT, the default is "ssh $SSH_USER@$MACHINE reboot", exits as 255 even if the reboot is successfully done, like as: ]# ssh root@Test reboot Connection to Test closed by remote host. ]# echo $? 255 ]# To avoid the unexpected power cycle, introduce a new parameter, REBOOT_RETURN_CODE to judge whether REBOOT is successfully done or not. Link: http://lkml.kernel.org/r/20190418135943.12640-1-msys.mizuma@gmail.com Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>