In the Debian bug report they say that version 4.4.2-4 (compared to 4.4.2-2ubuntu1 in Ubuntu) fixes the bug.
-- gnome-screensaver doesn't blank screen on lock with xfwm4 compositing https://bugs.launchpad.net/bugs/191503 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