I see similar issues with GM915, but only on KDE - it doesn't happen for me with GNOME. I see similar artifacts all the time in KDE4, so I think this is related to KWin and not specifically the driver.
I see similar issues with GM915, but only on KDE - it doesn't happen for me with GNOME. I see similar artifacts all the time in KDE4, so I think this is related to KWin and not specifically the driver.