[Bug 556253] Re: [2.6.32-19 regression] Does not check lid status any more, external screen powered off

[Martin Pitt]

With your kernel I get a correct resolution on DVI, but it seems that
LVDS is now entirely ignored. It stops appearing in Xorg.log and xrandr,
and in dmesg I get

[    1.431388] [drm:intel_no_lvds_dmi_callback], Skipping LVDS
initialization for Dell Latitude

When I boot undocked, or undock while it's running, I get a black
internal screen. When booting undocked, it does not even start X.

I attach dmesg and Xorg log with your kernel while it's docked.

** Attachment added: "dmesg with Manjo's kernel"
   http://launchpadlibrarian.net/52517985/dmesg.docked.manjo.txt

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[2.6.32-19 regression] Does not check lid status any more, external screen powered off
https://bugs.launchpad.net/bugs/556253
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