[Pkg-xfce-devel] Bug#443873: Bug#443873: Bug#443873: xfwm4: switching virtual desktops makes windows flicker

Yves-Alexis Perez corsac at debian.org
Thu Mar 13 07:41:46 UTC 2008

On dim, 2007-12-23 at 16:19 +0200, Meelis Roos wrote:
> Found one more data point - the cycling and even complete hang of the 
> desktop environment only happen when I change screens quickly enough. 
> When I press Ctrl-F1 and then quickly Ctrl-F2 etc to cycle the
> screens 
> fast enough, so that the next presss happens before the last one 
> finishes redrawing etc, then the symptoms appear. Using and old 600
> MHz 
> P3 probably increases the likelyhood of it happening.

But this is the real issue. It seems there is a race condition in Xfwm
code. I reproduced this once (don't remember how this ended, me killing
xfwm or if it stopped by itself), and Cyril Brulebois (CC:ed) seems to
reproduce it often. Definitively dependent on machine speed.

I'll check that upstream. Stay tuned,

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