I've found an obvious related bug in mir_demo_server_shell, so moving that to bug 1255818.
** Summary changed: - [DPMS] mir_power_mode_off doesn't work at all. Display backlight turns back on almost immediately after being turned off, and vsync is lost. + [DPMS] Display backlight turns back on almost immediately after being turned off -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1231857 Title: [DPMS] Display backlight turns back on almost immediately after being turned off To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1231857/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
