I had this problem on 12.04 LTS testing the LTS-S hardware enablement packages. The upstream bug report's fix fixed the problem when I applied it on top of xserver-xorg-video-intel-lts-saucy_2.99.904-0ubuntu2~~6ppa1. The patch is also attached here.
I had this problem on 12.04 LTS testing the LTS-S hardware enablement packages. The upstream bug report's fix fixed the problem when I applied it on top of xserver- xorg-video- intel-lts- saucy_2. 99.904- 0ubuntu2~ ~6ppa1. The patch is also attached here.