Using "xset dpms force standby" works properly for me once the screensaver is completely disabled. Otherwise, I have the same issues reported here.
-- display doesn't go to DPMS sleep https://bugs.launchpad.net/bugs/203513 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs