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[Launchpad Bug Tracker <407541@xxxxxxxxxxxxxxxxxx>]

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I'm running 64-bit Karmic alpha 3 with all updates applied, on a MacBook
2nd generation.  Intel GMA945 graphics architecture.

Karmic alpha 3 is an order of magnitude better with its support for this
chipset than Jaunty ever was.  The new drivers are a huge step forward.
However, about once every couple of hours, my screen goes completely
black - as though it has turned off completely.  After a second or two,
it comes back on spontaneously.  My programs etc are unaffected.  The
computer does not acknowledge in any way that the screen has turned off.

It is definitely not the screensaver.  I cannot reproduce the problem by
performing any particular action. It happens while surfing the Internet
with Firefox, playing Half-Life under wine, using update manager, any
old time.  It definitely does not happen when I'm booted into OS X or a
live CD, or under Jaunty, and I have spent enough time in each
environment that I would have seen it if it were to happen in those
environments.

I don't think my bug is a dupe because others have reported non-
recoverable situations.  Mine is completely recoverable.

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

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Screen inexplicably goes black occasionally
https://bugs.launchpad.net/bugs/407541
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