No, xserver-xgl is not installed. Did you edit your xorg.conf? Since changes in my xorg.conf did not increase performance, mine is almost empty (default after Ubuntu installation):
... Section "Device" Identifier "Configured Video Device" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" EndSection ... -- intel gm965 freezes with 3d applications https://bugs.launchpad.net/bugs/120834 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs