I'm having the same problem on my laptop running Hardy. Screensaver previews work fine, but when I lock the screen, or when the screensaver activates when the machine is idle or when I run gnome-screensaver- command -a I only get a blank screen.
At first I thought the problem was due to some misconfiguration in my user account, so I created a new user, but when I log in using that new account the problem persists. I chose the "pictures folder" screensaver in the screensaver properties dialog and tried doing: gnome-screensaver-command -a && ps ax I would have expected to see some mention of /usr/lib/gnome-screensaver/gnome-screensaver/slideshow in the output, but it's not there (i tried the same with various different screensavers all with the same result). For what it's worth, my graphics card is an Intel 82852/855GM Integrated Graphics Device (rev 02) using the i810 driver (the newer intel driver is rather buggy) and I have all desktop effects disabled. -- screensaver starts but shows only a black screen https://bugs.launchpad.net/bugs/60394 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs