I am experiencing what is probably the same problem. nvidia-glx-config enable made the following changes:
--- xorg.conf 2006-08-11 17:13:25.000000000 -0400 +++ /etc/X11/xorg.conf 2006-08-11 17:13:40.000000000 -0400 @@ -99,46 +99,46 @@ EndSection Section "Device" - Identifier "NVIDIA Corporation NV17 [GeForce4 420 Mac 32M/GeForce 440 Go 64M]" - Driver "nv" - BusID "PCI:1:0:0" + Identifier "Generic Video Card" + Driver "nvidia" + BusID "PCI:0:5:0" EndSection Section "Monitor" Identifier "Generic Monitor" Option "DPMS" - HorizSync 28-64 + HorizSync 28-51 VertRefresh 43-60 EndSection Section "Screen" Identifier "Default Screen" - Device "NVIDIA Corporation NV17 [GeForce4 420 Mac 32M/GeForce 440 Go 64M]" + Device "Generic Video Card" Monitor "Generic Monitor" - DefaultDepth 16 + DefaultDepth 24 SubSection "Display" Depth 1 - Modes "1280x800" + Modes "1024x768" "800x600" "640x480" EndSubSection SubSection "Display" Depth 4 - Modes "1280x800" + Modes "1024x768" "800x600" "640x480" EndSubSection SubSection "Display" Depth 8 - Modes "1280x800" + Modes "1024x768" "800x600" "640x480" EndSubSection SubSection "Display" Depth 15 - Modes "1280x800" + Modes "1024x768" "800x600" "640x480" EndSubSection SubSection "Display" Depth 16 - Modes "1280x800" + Modes "1024x768" "800x600" "640x480" EndSubSection SubSection "Display" Depth 24 - Modes "1280x800" + Modes "1024x768" "800x600" "640x480" EndSubSection EndSection This shows the same bus ID change that others have mentioned, but also shows a change to the monitor config (a bit scary this should physically damage old monitors) and to the modes (a big problem on a wide screen laptop). I am using Edgy (updated today) i386 on a Compaq R3000z. -- Running nvidia-glx-config enable breaks X. https://launchpad.net/bugs/48077 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs