phenomenally slow performance dragging windows around (was: xrandr: adding a second display to screen 0 [radeon])
michel at tungstengraphics.com
Tue Feb 19 09:54:09 PST 2008
On Tue, 2008-02-19 at 15:59 +0100, martin f krafft wrote:
> With IceWM, window dragging performance is also sluggish. With
> FVWM2, I cannot notice any problems. I've been using fluxbox for
> *years* and have never seen something like this. I have seen
> temporary sluggishness when the system was loaded and I moved
> a window across old-style xinerama screens, but never within
> a single screen. Note that it makes no difference whether I drag the
> window around on a single screen, or across xrandr-style xinerama
> Section "Device"
> Identifier "Radeon 9200"
> Driver "ati"
> BusID "PCI:1:0:0"
> Option "AccelMethod" "EXA"
> Option "Monitor-DVI-0" "Acer AL922"
> Option "Monitor-VGA-0" "MRM B18XA"
> Section "Screen"
> Identifier "Default Screen"
> Device "Radeon 9200"
> DefaultDepth 24
> SubSection "Display"
> Depth 24
> Virtual 2560 1024
I guess it doesn't happen if you use XAA or if you limit the virtual
size to within 2048 in both directions?
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
More information about the xorg