Description of problem: Video playback with the 'xv' driver looks like horizontal bands from several different frames pieced together. If I pause the playback the bands gradually disappear and the screen becomes "normal" (all while the playback is paused). I normally use mplayer, but see the same in every video player I tried. This apparently started happening with kernel-3.14.2-200.fc20.x86_64, if I boot back to the previous kernel-3.13.10-200.fc20.x86_64 there are no problems. On my system at work with an ATI radeon card, I do not see the problem. Here at home with Intel graphics, I do see the problem (I'll attach the Xorg log and dmesg). Version-Release number of selected component (if applicable): kernel-3.14.2-200.fc20.x86_64 How reproducible: 100% with the 'xv' driver. Using the 'gl_nosw' module the video plays fine with no corruption I can detect. Steps to Reproduce: 1. mplayer video-file-arg 2. see corrupt video 3. Actual results: corrupt video Expected results: good video I used to get under previous kernel Additional info: This may be the same as these bugs, but my symptoms are so different I decided to make a separate bug for it: https://bugs.freedesktop.org/show_bug.cgi?id=75723 https://bugzilla.redhat.com/show_bug.cgi?id=1093940
Created attachment 892708 [details] Xorg.0.log
Created attachment 892710 [details] dmesg output
For whatever it is worth, I'll mention that the latest updates didn't fix this. I now have a slew of mesa packages labeled mesa-*-10.1.3-1.20140509.fc20.x86_64 and a new kernel kernel-3.14.4-200.fc20.x86_64 and new X server packages xorg-x11-server-*-1.14.4-9.fc20.x86_64. Still get corrupted video with xv driver (of course, I didn't get a new xorg-x11-drv-intel, so the component on this bug looks like the right one).
In the hope that it might accelerate a fix, I made an upstream bug report for this pointing to several similar reports around the web: https://bugs.freedesktop.org/show_bug.cgi?id=78827
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