R, this bug was reported a while ago and there hasn't been any activity
in it recently. We were wondering if this is still an issue? If so,
could you please test for this with the latest development release of
Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-
live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p xorg-server REPLACE-WITH-BUG-NUMBER

Please note, given that the information from the prior release is
already available, doing this on a release prior to the development one
would not be helpful.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Changed in: xorg-server (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg-server (Ubuntu)
       Status: New => Incomplete

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1007398

Title:
  Ubuntu 12.04 X crashes after restart with external monitor

Status in “xorg-server” package in Ubuntu:
  Incomplete

Bug description:
  
  Hello,

  I have just installed Ubuntu 12.04 in Lenovo T420s laptop with
  discrete a NVIDIA card. The installation went without problems and the
  system recognized an external monitor (Dell G2410) connected via
  Lenovo docking station showing two independent desktops.
  Unfortunately, there is a problem after a reboot when the computer is
  sin the docking station. I get a login screen but after entering a
  correct password I get black screens on both monitors and the system
  hangs. If I remove the computer from the docking station and reboot,
  then there are no problems. I tried switching to internal INTEL card
  but then the computer does not recognize the external monitor. I also
  tried enabling a NVIDIA driver but the system again does not see the
  external screen.

  Fortunately, the system wakes up from "suspend" both in the docking
  station and standalone almost without problems. There is a still
  problem with login: I configured the system to ask for a password,
  after suspend, but when waking up in the docking station the system
  goes directly into desktop without a password screen. I vaguely
  remember a similar problem with 10.04 which got fixed on an upgrade.

  Best regards,
  R

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