This might actually involve gnome-power-manager. What occurred with me (above) was a once off but devolved (later) into the monitor going into stand-by mode and being unable to have the system respond to the keyboard or/and mouse whenever gnome-screensaver was enabled.
After much research I did the following: Open gconf-editor. Open 'apps' and scroll down to gnome-power- manager~actions and set sleep_type_acc to 'nothing'. Reload the desktop. The problem(s) went away (for me). OS: Linux Ubuntu 8.04 - hardy Kernel: 2.6.24-21-generic, x86_64 GNU/Linux CPU: AMD Phenom(tm) 9550 Quad-Core Processor GPU: ATI Technologies Inc Radeon HD 3200 Graphics gnome-power-manager 2.22.1-1ubuntu4 gnome-screensaver 2.22.2-0ubuntu1 -- gnome-screensaver freezes and does not bring up the password prompt if mouse/keyboard activity https://bugs.launchpad.net/bugs/213099 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs