The aforementioned "proposed" PPA fixes the flashing/blinking problem for me also. No white windows/decorations or any other regressions that I can see. Radeon HD6870 with binary blob driver.
The aforementioned "proposed" PPA fixes the flashing/blinking problem for me also. No white windows/decorations or any other regressions that I can see. Radeon HD6870 with binary blob driver.