https://bugs.freedesktop.org/show_bug.cgi?id=78453
--- Comment #86 from Jerome Glisse glisse@freedesktop.org --- Created attachment 103474 --> https://bugs.freedesktop.org/attachment.cgi?id=103474&action=edit Hack to temporarily fix accel
If you want working desktop you can use this patch to disable the packet that is the issue. With that mesa patch i have stable acceleration and desktop.