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[Bug 745112] Re: [arrandale] desktop is messed up (goes black) when laptop is docked with two external 1920x1200 monitors (x86_64)

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Zak Kipling <745112@xxxxxxxxxxxxxxxxxx>
Date: Tue, 14 Jun 2011 22:07:58 -0000
Reply-to: Bug 745112 <745112@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

For me (on a Thinkpad x201), it appears that this commit causes the hang
on resume:

   drm/i915: Use ACPI OpRegion to determine lid status

I'm using the current Natty kernel (v2.6.38-8.42) plus the drm/i915
changes from the Ubuntu git repo for 2.6.38-9 and -10, plus the patches
in the branch Timo referred to above, EXCEPT for the above patch and
those which don't apply cleanly without it:

  drm/i915: Move the lvds OpRegion lid detection code to panel and reuse for eDP
  drm/i915/lvds: Always return connected in the absence of better information


Suspend/resume, all combinations of internal panel and external VGA, and Fn+F7 are now all working.

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https://bugs.launchpad.net/bugs/745112

Title:
  [arrandale] desktop is messed up (goes black) when laptop is docked
  with two external 1920x1200 monitors (x86_64)

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