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[Bug 390633] [NEW] Computer freezes and does not respond when returning from "blank screen"

 

Public bug reported:

Binary package hint: xserver-xorg-video-intel

After upgrade to Karmic, when the laptop is powered (connected to AC)
and set to "blank screen" when laptop lid is closed, if laptop lid is
closed for a long time (a couple of hours or more) then when I open the
screen again the computer is frozen - the screen does not turn back on,
not even if I try to switch to a different VT and nothing I do except
power cycle the computer can bring it back.

I have tried CTRL-ALT-DEL (with and without DontZap enabled). I have not
tried SysReq.

I do not have screensaver enabled, so I don't know if this is related to
the screensaver, but I suspect that it doesn't. I will try to enable the
screensaver though to test.

This may or may not be related to bug #359392, see comments 609 and
later.

I'm using the latest intel drivers (2.7.99), Xorg (7.4) and kernel
(2.6.30-9) from Karmic.

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

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Computer freezes and does not respond when returning from "blank screen"
https://bugs.launchpad.net/bugs/390633
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