Ubuntu
xserver-xorg-video-intel package

  1. Bug #174650
  2. Comment #9

Comment 9 for bug 174650

Revision history for this message
unggnu (unggnu) wrote : Re: xorg very slow when rotated on external monitor

The Hardy Heron Alpha series is currently under development and contains an updated version of the -intel driver. You can download and try the new Hardy Heron Alpha release from http://cdimage.ubuntu.com/releases/hardy/ . You should be able to test the new -intel driver using the LiveCD. If you can, please verify if this bug still exists or not and report back your results. General information regarding the release can also be found here: http://www.ubuntu.com/testing/ .
Thanks.

Btw. if you increase Virtual size higher than 2048 DRI is disabled (Bug #146859).