Seems to be related, but I don't have an ATI card. I think it might simply be an issue between compiz and the latest XGL, then. Because when I take that script away (and thus it does not start) compiz starts working again. The extension SGI extension is missing from the xdpyinfo output as well:
number of extensions: 34 BIG-REQUESTS Composite DAMAGE DOUBLE-BUFFER DPMS Extended-Visual-Information GLX MIT-SCREEN-SAVER MIT-SHM MIT-SUNDRY-NONSTANDARD NV-CONTROL NV-GLX RANDR RECORD RENDER SECURITY SHAPE SYNC TOG-CUP X-Resource XAccessControlExtension XC-APPGROUP XC-MISC XFIXES XFree86-Bigfont XFree86-DGA XFree86-Misc XFree86-VidModeExtension XINERAMA XInputExtension XKEYBOARD XTEST XVideo XVideo-MotionCompensation default screen number: 0 number of screens: 1 -- nvidia-glx-new 100.14.11-prevents compiz from working https://bugs.launchpad.net/bugs/136716 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs