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

[Yves-Alexis Perez]

On Thu, Mar 13, 2008 at 07:41:46AM +0000, Yves-Alexis Perez wrote:
> 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.

For information, the bug was in xorg. See #473165 for reference.

Cheers,
-- 
Yves-Alexis