Hello, after updating xserver-xorg-video-radeon to version 1:6.14.4-1 I can't reproduce the mentioned screen corruptions anymore, however I can still reproduce the crashes. One way to reproduce this bug is to open a window and then point the mouse to the desktop switcher – gnome-shell crashes immediately (it's just an example, there are numerous other ways). Please tell me if I can provide more useful information on this. Thanks, Stefan.
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