graphics performance drop after system sleep

[ChristianP]

Originally Posted by MJedi

I have been experiencing the exact issue on my 2011 MacBook Air with the beta 3 driver. I have uninstalled the driver, and the performance after the MBA wakes up is back to normal. When I reinstall the beta 3 driver, the same problem comes back.

Thanks for your report. It sounds like a possible compatibility issue of our kernel extension with the 2011 MacBookAir models. We're going to investigate the issue.