Confirming this bug on a Thinkpad T500. Fix is not in, the problem still appears with xserver-xorg-video-intel version 2:2.6.3-0ubuntu9.
lspci says: 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
Confirming this bug on a Thinkpad T500. Fix is not in, the problem still appears with xserver- xorg-video- intel version 2:2.6.3-0ubuntu9.
lspci says:
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)