I started having this issue after upgrading to Oneiric (11.10). Previous versions of Ubuntu worked fine. I'm using nvidia card with dual-head (twinview). also, I'm using gnome3 from universe.
locking screen works. no screensaver. moving the mouse shows the mouse pointer changing when it goes over the dialog where you would be typing your password. typing my password logs me in. on 11.04 I was using gnome3 from the gnome3 ppa team and everything worked fine. then i did a do-release-upgrade -d a few days after beta1 was announced. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/45018 Title: Unlock screen is invisible with Nvidia twinview Status in GNOME Screensaver: Fix Released Status in “gnome-screensaver” package in Ubuntu: Incomplete Bug description: Binary package hint: gnome-screensaver This bug may equally be an issue with the Nvidia GLX drivers or Xorg. When my laptop is configured with the following excerpt from xorg.conf, the gnome-screensaver unlock dialog does not appear. I haven't tested if the dialog box appears if a second monitor/projector is connected. Further symptoms include two screensavers seeming to run at the same time, sometimes one screensaver briefly appears over the top of the other. # Begin xorg.conf Section "Device" Identifier "NVIDIA Corporation NVIDIA Default Card" Driver "nvidia" BusID "PCI:1:0:0" Option "RenderAccel" "true" Option "Coolbits" "1" Option "ConnectedMonitor" "DFP,CRT" Option "TwinView" "1" Option "Metamodes" "1280x800,1280x800; 800x600,800x600; 1280x800,NULL" Option "UseEdidFreqs" "true" Option "SecondMonitorHorizSync" "30-96" Option "SecondMonitorVertRefresh" "50-160" Option "TwinViewOrientation" "Clone" EndSection # End xorg.conf I have disabled the ConnectedMonitor Option and all below it as a workaround while I do not have a second monitor connected. To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-screensaver/+bug/45018/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
