Resizing and scrolling very slow when running a compositing manager

[Michael Biebl]

Hi all,

I have a Radeon 9200 Mobility and I'm running Xorg 7.0 with radeon driver.
If I run a compositing manager like xcompmgr, scrolling and resizing
windows is much slower, especially for applications like Firefox. I
tried with and without EXA and also the XGL+compiz combo. The effect is
always the same: Moving a window with a running compositing manager
becomes much better and eliminates all drawing artefacts, resizing gets
almost unbearably slow for more complex applications.
Can someone explain why this happens and if I can do something about
that (maybe a misconfiguration on my side).


Cheers,
Michael

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