Works after kernel upgrade to 2.6.20-2-generic. But I had to go back to my old settings in xorg.conf:
Section "Device" Identifier "Ati Mobility Radeon X1400" Driver "fglrx" Option "ForceMonitors" "lvds,crt1" Option "Centermode" "off" Option "VideoOverlay" "on" Option "OpenGLOverlay" "off" Option "OverlayOnCRTC2" "0" Option "PseudoColorVisuals" "off" Option "HSync2" "31-64" Option "VRefresh2" "56-75" Option "UseFastTLS" "2" #Option "DesktopSetup" "horizontal" #Option "EnablePrivateBackZ" "on" Option "Mode2" "1280x1024,1024x768,800x600,640x480" Option "TexturedVideo" "on" BusID "PCI:1:0:0" EndSection -- fglrx module unknown symbol https://launchpad.net/bugs/76135 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs