Some informations: HP Compaq nx7300 notebook
$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03) $ uname -r 2.6.29-1-686 xserver-xorg 1:7.4+1 xserver-xorg-core 2:1.6.1-1 xserver-xorg-video-intel 2:2.7.0-1 Tried with different settings in xorg.conf (AccelMethod: UXA, EXA MigrationHeuristic: greedy) Still can't get good performance with KWin effects My actual /etc/X11/xorg.conf : Section "Device" Identifier "Configured Video Device" Option "AccelMethod" "UXA" Option "MigrationHeuristic" "greedy" Driver "intel" EndSection -- To UNSUBSCRIBE, email to debian-kde-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org