I am getting this problem too. When I play a game.
I use Ubuntu 8.04 with GNOME and Compiz. But I noticed this happen in Fluxbox too.
Linux ubuntu 2.6.24-8-generic #1 SMP Thu Feb 14 20:40:45 UTC 2008 i686 GNU/Linux
$ dpkg -l *xserver* | grep ii
ii x11-xserver-utils 7.3+2 X server utilities
ii xserver-xorg 1:7.3+10ubuntu5 the X.Org X server
ii xserver-xorg-core 2:1.4.1~git20080131-1ubuntu4 Xorg X server - core server
ii xserver-xorg-input-all 1:7.3+10ubuntu5 the X.Org X server -- input driver metapacka
ii xserver-xorg-input-evdev 1:1.2.0-1 X.Org X server -- evdev input driver
ii xserver-xorg-input-kbd 1:1.2.2-3ubuntu1 X.Org X server -- keyboard input driver
ii xserver-xorg-input-mouse 1:1.2.3-2 X.Org X server -- mouse input driver
ii xserver-xorg-video-all 1:7.3+10ubuntu5 the X.Org X server -- output driver metapack
ii xserver-xorg-video-nv 1:2.1.7-1 X.Org X server -- NV display driver
ii xserver-xorg-video-vesa 1:1.3.0-4ubuntu3 X.Org X server -- VESA display driver
ii xserver-xorg-video-vga 1:4.1.0-8 X.Org X server -- VGA display driver
I am getting this problem too. When I play a game.
I use Ubuntu 8.04 with GNOME and Compiz. But I noticed this happen in Fluxbox too.
Linux ubuntu 2.6.24-8-generic #1 SMP Thu Feb 14 20:40:45 UTC 2008 i686 GNU/Linux
$ dpkg -l *xserver* | grep ii git20080131- 1ubuntu4 Xorg X server - core server xorg-input- all 1:7.3+10ubuntu5 the X.Org X server -- input driver metapacka xorg-input- evdev 1:1.2.0-1 X.Org X server -- evdev input driver xorg-input- kbd 1:1.2.2-3ubuntu1 X.Org X server -- keyboard input driver xorg-input- mouse 1:1.2.3-2 X.Org X server -- mouse input driver xorg-video- all 1:7.3+10ubuntu5 the X.Org X server -- output driver metapack xorg-video- nv 1:2.1.7-1 X.Org X server -- NV display driver xorg-video- vesa 1:1.3.0-4ubuntu3 X.Org X server -- VESA display driver xorg-video- vga 1:4.1.0-8 X.Org X server -- VGA display driver
ii x11-xserver-utils 7.3+2 X server utilities
ii xserver-xorg 1:7.3+10ubuntu5 the X.Org X server
ii xserver-xorg-core 2:1.4.1~
ii xserver-
ii xserver-
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ii xserver-
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