Dave Airlie's patch (mentioned in #85) fixes this problem on my Dell Latitude E6510 (i7-620M Arrandale/Ironlake). I applied it to the upstream 2.6.34 kernel and am running it on an otherwise vanilla fully-updated Lucid.
Dave Airlie's patch (mentioned in #85) fixes this problem on my Dell Latitude E6510 (i7-620M Arrandale/ Ironlake) . I applied it to the upstream 2.6.34 kernel and am running it on an otherwise vanilla fully-updated Lucid.