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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)

 

I spoke a bit too soon.

Timo's branch is a bit better in that the external display works, but
not quite right.  Some observations:

 * booting with the external display connected shows the boot and login screens on both, and then my session comes up only on the external display
 * I can use the monitor preferences panel to reconfigure them
 * Fn-F7 has no effect (istr we discussed on irc that this was fixed by something else in .39)
 * If I disconnect with the display already set to internal only, it's ok
 * If I disconnect the laptop (either the dp cable or from the base) with the internal display turned off, it does not turn back on and (per above) I can't bring it back on with Fn-F7, nor by switching to vt1 and back
 * On resume from suspend, neither panel shows anything.  The internal display backlight comes on but there's no content.

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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)