Comment 4 for bug 1008808

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Bernie Innocenti (codewiz) wrote :

Today I saw this bug again on my laptop, so I could investigate further:

1. I went to the text console and killed -9 the compiz process
2. The screen on my X session cleared so I could see the background picture on my root window, but no windows
3. After restarting unity (export DISPLAY=:0 ; unity --replace), the display goes black again.
4. If I start metacity, everything behaves normally!
5. If I restart the X server, unity behaves normally again

Because of this stateful behavior, I suspect a server-side DRI bug.