Comment 42 for bug 1042211

I'm not sure if this helps or not but I think I have the same problem in Kubuntu 12.10. I'm attaching a screenshot of how it manifests for me.

I have a Lenovo Thinkpad T430 and I'm using the i915 video driver. Output of lshw -c display below:

stefan@atlas-stfs:~/Documents$ sudo lshw -c display
  *-display
       description: VGA compatible controller
       product: 3rd Gen Core processor Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:43 memory:f0000000-f03fffff memory:e0000000-efffffff ioport:5000(size=64)