https://bugs.freedesktop.org/show_bug.cgi?id=103317
--- Comment #2 from Michel Dänzer michel@daenzer.net --- Please attach the output of
xrandr --verbose
while the problem occurs (i.e. while e.g. 0ad is running and showing flickering).
Does not enabling TearFree or
Option "EnablePageFlip" "off"
avoid the problem?