[Bug 1604173] Re: Clicking "Reboot Now" after 14.04-->16.04 upgrade has no effect

[Jason Gerard DeRose]

Brain,

Strange. So I just tried the upgrade again, and after the upgrade
completed, I:

1) Clicked "Reboot Now" (which did nothing, same as yesterday)

2) Ran `sudo reboot` - it worked, but seemed to hang for some time
before doing anything (it hung for maybe 20 seconds or so)

I'm not sure how clicking "Reboot Now" first might be interacting with
then running `sudo reboot`. I wonder if I tried `sudo reboot` first if
it would do nothing. I'll try that tomorrow if I have time.

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https://bugs.launchpad.net/bugs/1604173

Title:
  Clicking "Reboot Now" after 14.04-->16.04 upgrade has no effect

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

Bug description:
  After doing a 14.04 to 16.04 upgrade, clicking "Reboot Now" has no
  effect. update-manager simply closes. However, I could then reboot
  fine using the indicator or the power button, which kinda suggests the
  problem is in update-manager rather than in the general state of such
  an upgraded but not yet rebooted system.

  In the 3 test upgrades I did, this was reproducible 100% of the time.

  Steps I used to reproduce:

  1) Fresh install of 14.04.4

  2) Run updates and reboot

  3) Launch update-manager with `update-manager -d`

  4) Start upgrade, let it complete

  5) Once upgrade is completed, click "Reboot Now" on the shown dialogue

  FYI, thus far I've only tested on a UEFI system, haven't had time to
  test a BIOS system (and I wont likely have time to test on a BIOS
  system). But I wouldn't expect this to behave differently on a BIOS
  system.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.14
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  Uname: Linux 4.4.0-31-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon Jul 18 15:42:56 2016
  InstallationDate: Installed on 2016-07-18 (0 days ago)
  InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2016-07-18 (0 days ago)
  VarLogDistupgradeTermlog:

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