Thank you for taking the time to report this bug and helping to make
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help us find the cause of the crash please follow these steps:

1. Look in /var/crash for crash files and if found run:
    ubuntu-bug YOURFILE.crash
Then tell us the ID of the newly-created bug.

2. If step 1 failed then look at https://errors.ubuntu.com/user/ID where
ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine.
Do you find any links to recent problems on that page? If so then please
send the links to us.

3. If step 2 also failed then apply the workaround from bug 994921,
reboot, reproduce the crash, and retry step 1.

Please take care to avoid attaching .crash files to bugs as we are
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** Tags added: resume suspend-resume

** Changed in: gnome-shell (Ubuntu)
       Status: New => Incomplete

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1802574

Title:
  laptop screen never comes on after undock / sleep / open of laptop

Status in gnome-shell package in Ubuntu:
  Incomplete

Bug description:
  I use a ThinkPad dock with two monitors plugged into it. I have a udev
  job configured to automatically put my laptop to sleep when I undock
  it.

  So, I'm working on my laptop in the dock. I undock it and drop it into
  my backpack. All by itself, it goes to sleep. A few minutes later, I
  open the laptop and it wakes up. I know it's up because the power
  light and LED on the lid both go to solid. But the laptop screen never
  comes on.

  I've undocked twice since upgrading to 18.10. This has happened both
  times. It's a regression from 18.04.1.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: gnome-shell 3.30.1-2ubuntu1
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Nov  9 13:18:04 2018
  DisplayManager: gdm3
  InstallationDate: Installed on 2018-09-27 (43 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  SourcePackage: gnome-shell
  UpgradeStatus: Upgraded to cosmic on 2018-11-08 (1 days ago)
  modified.conffile..etc.apport.crashdb.conf: [modified]
  mtime.conffile..etc.apport.crashdb.conf: 2018-10-04T06:36:50.792292

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