Jonathan, look's like after fail with nouveau KWin write to kwinrc config option OpenGLIsUnsafe=true. After that I change driver from nouveau to proprieatry nVidia driver, but this option is still present in config, resulting not allow to enable desktop effects even with nVidia driver.
-- Can't enable opengl-compositing with nVidia driver after fail with nouveau https://bugs.launchpad.net/bugs/630800 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp