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charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Hi I tried to fill this bug in yocto bugzila, but the website can't create new count now. So I report it here. The result of this bug: qemu machine reboot hangs. reproduce steps: 1) create a basic qemux86-64 project 2) boot it and login 3) execute "reboot" command. You will notice that the machine don't restart, and hang, log as blow: ----- [ 113.813363] systemd-shutdown[1]: All loop devices detached. [ 113.813844] systemd-shutdown[1]: Stopping MD devices. [ 113.816245] systemd-shutdown[1]: All MD devices stopped. [ 113.816687] systemd-shutdown[1]: Detaching DM devices. [ 113.819166] systemd-shutdown[1]: All DM devices detached. [ 113.819733] systemd-shutdown[1]: All filesystems, swaps, loop devices, MD devices and DM devices detached. [ 114.096437] systemd-shutdown[1]: Syncing filesystems and block devices. [ 114.102780] systemd-shutdown[1]: Rebooting. [ 114.122488] reboot: Restarting system [ 114.122937] reboot: machine restart Regards, Yanfei