Re: [Bug] Wrong screen resolution

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On Fri, Apr 11, 2014 at 01:46:40PM +0200, Knut Petersen wrote:
> Description:
> ============
> 
> Whenever I restart the X server there is a small (20%?) chance that the
> KDE splash picture is not displayed as expected (1280x1024).
> Instead I see a smaller version of that picture (1024x768?) in the
> upper left corner of the monitor, but the correct 1280x1024 video
> mode is used by xorg. Absolutely _nothing_ unusual in system/xorg
> logs.
> 
> After that, everything works fine, with one exception:
> mplayer fullscreen mode is broken. The video is displayed
> correctly, but the area not used by the video itself is only partially set
> to black, the upper right and lower right area contain garbage.
> If the splash screen is displayed correctly, mplayer full screen
> mode works correctly too.
> 
> Most of the time another restart of X corrects the problem.
> 
> Any idea how to debug that situation?

What exactly does Xorg.0.log and xrandr say? Have you looked at the
drm.debug=6 dmesg?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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