On Sun, 2015-06-07 at 13:11 -0400, Brian J. Murrell wrote: > I have an: > > 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06) > > in a Fedora 21 machine running Linux 4.0.4. > > While this is all generally working, the display has pauses where there > should be fluid motion. Watching a video with mplayer for example, > plays about a second or so, then pauses for .25 to .5 (just a guess) of > a second and then continues playing. glxgears does the same thing. > While it's reporting ~60fps the gears turn then stop then turn then > stop. > > I see the same thing dragging windows across the screen or even just > scrolling (GTK3) application windows. > > I'm using both the DVI and the VGA output of this card, FWIW. > > What additional information can I provide to help diagnose this problem? Is there anything I can do to help debug what this issue is? The pauses translate into sponginess and latencies that make using this display very unpleasant. :-( b.
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