[Bug 99457] Excessive CPU load by the xorg-server and GUI's hard lags

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jan 19 09:45:30 UTC 2017


--- Comment #5 from Michel Dänzer <michel at daenzer.net> ---
The older combo failed to initialize glamor, so it was using shadowfb software
rendering. You can try either

 Option "ShadowPrimary"


 Option "Accel" "off"

in /etc/X11/xorg.conf Section "Device" to see if one of them works better. The
former also uses software rendering for 2D but allows 3D and video hardware

It would be interesting to see a CPU profile from when the problem occurs,
taken with something like sysprof or perf.

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