[Pkg-xfce-devel] Bug#667682: xfce4: Square appears on top-left corner on screen when using desktop

[nurfuernews at web.de (Uwe Scholz)]

Hi,

it seems to be an upstream bug, as I can confirm this behavior with
Gentoo Linux and xfce-4.10. I don't use jdownloader, so it is definitely
not responsible for the small square on the top left of the screen.

In my case I sometimes see a small black square when I move from an
empty virtual screen to another one with an open application like
firefox. My background image is dark, as this square. My
graphics-drivers are xf86-video-intel-2.21.15.

Interestingly, this behavior occurs not only with the xfce4 built-in
compositing feature activated, but also when I start "xcompmgr -cCfF -r7
-o.65 -l-10 -t-8 -D7 &" at the beginning of my xfce4-session. But the
square does not always occur. When I stop xcompmgr or the xfce4
compositing feature and restart it again right after that, the square is
always gone.

My system:
Linux 3.10.17-gentoo
xcompmgr-1.1.6
xfce4-session-4.10.0-r1

Greetings
Uwe