[Bug 1809547] [NEW] 16.04->18.04 : screen lock on windows+L, impossible to reconnect

[djjudjju]

Public bug reported:

Hi,

While upgrading my Ubuntu from 16.04 to 18.04, I used the shortcut windows+L while going away from my computer, which locked the screen. 
I received a message that screen lock would be disabled when I launched the version upgrade, but apparently it does not include windows+L. 
I am running Ubuntu on a VM on Windows, a screenshot is joined to this bug. 
The upgrade is still running because the resource monitor indicates that VirtualBox is still consuming Network. I am planning to let it run till network stop being used, and restart my Ubuntu to see if it still work. I will update this bug then.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "screen locked during version upgrade after windows+L"
   https://bugs.launchpad.net/bugs/1809547/+attachment/5224338/+files/screenlockUbuntuVersionUpgrade.PNG

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https://bugs.launchpad.net/bugs/1809547

Title:
  16.04->18.04 : screen lock on windows+L, impossible to reconnect

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Hi,

  While upgrading my Ubuntu from 16.04 to 18.04, I used the shortcut windows+L while going away from my computer, which locked the screen. 
  I received a message that screen lock would be disabled when I launched the version upgrade, but apparently it does not include windows+L. 
  I am running Ubuntu on a VM on Windows, a screenshot is joined to this bug. 
  The upgrade is still running because the resource monitor indicates that VirtualBox is still consuming Network. I am planning to let it run till network stop being used, and restart my Ubuntu to see if it still work. I will update this bug then.

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