https://bugzilla.kernel.org/show_bug.cgi?id=207383
--- Comment #52 from Michel Dänzer (michel@daenzer.net) --- (In reply to rtmasura+kernel from comment #51)
that didn't read well, with vblank_mode off for XFWM I don't have this issue at all.
That just avoids the problem by not doing any page flips.