Comment 189 for bug 127101

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amephist (amephist) wrote :

Using (or not) the latest patch (http://www2.eng.cam.ac.uk/~pcjc2/ubuntu/xserver-xorg-video-intel_2.1.1-0ubuntu10~pcjc2_i386.deb) I get a blank screen on Kubuntu Gusty when I close the lid of my laptop Compaq nx6120 with a i810. It does not lock the computer, just makes the screen goes black after a few seconds and totally random (with or without user interaction).

Every time this happens using driver intel on xorg.conf the /var/log/Xorg.0.log shows:

(II) PM Event received: Capability Changed
I830PMEvent: Capability change

when I change to i810:

(II) PM Event received: Capability Changed
I830PMEvent: Capability change
(II) I810(0): Next ACPI _DGS [0] 0x80000410
(II) I810(0): ACPI Toggle devices 0x800
(II) I810(0): ACPI Toggle to 0x800

A lspci, Xorg.0.log and /proc/mtrr is attached I can submit more information if you need.