On Mon, Oct 10, 2011 at 03:19:13AM +0400, Олег Герман wrote: > I have a VAIO VPC-SA2 laptop, with an Ubuntu 11.04 installed. > The problem lies in the strange screen (LVDS 1600x900) blinking/waves > ( which is mostly > noticeable in grey gradients and causes eyes fatigue and pain after > prolonged use. > This problem does not occur with the VESA driver, Windows and other > outputs, but it's > reproduced in Fedora Core and Ubuntu 10.10/11.04/11.10 at X-window and > cosole (with i915 module). It is clear that the problem is in the > driver, but I can't determine the source of noise, it may be because > of the backlight, or the display-panel. > > I captured how it looks like > http://www.youtube.com/watch?feature=player_profilepage&v=C3LcYLrFwHU
I'd wager this is dithering gone wrong. Can you boot with drm.debug=0xe and attach the full dmesg? Also please attach xrandr --verbose. Yours, Daniel -- Daniel Vetter Mail: dan...@ffwll.ch Mobile: +41 (0)79 365 57 48 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx