The fix from the PPA works perfectly for me (graphics card identified as
Mobility Radeon HD 3650).
For anyone experiencing further problems with OpenGL, turning off all
desktop effects (I uninstalled Compiz) seems to fix them.
Thanks!
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[ubuntu 9.04] slow unminimizing with ati card and desktop
I have experienced the same problems as described in the first post on a
lenovo Thinkpad W500 (with an ATI FireGL graphics card, incorrectly
identified as a Radeon HD3650) running ubuntu 9.04.
Enabling the restricted ATI driver causes the creation and maximisation
of windows to be really slow (100