[Bug 1269397] Re: update-manager crashed with AttributeError in resize_to_standard_width(): 'NoneType' object has no attribute 'get_resolution' if $DISPLAY is not set

[Brian Murray]

Hello Karma, or anyone else affected,

Accepted update-manager into trusty-proposed. The package will build now
and be available at http://launchpad.net/ubuntu/+source/update-
manager/1:0.196.12 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Description changed:

  ERRORS BUCKET:
  https://errors.ubuntu.com/bucket/?id=/usr/bin/update-manager%3AAttributeError%3A%3Clambda%3E%3Aresize_to_standard_width
  
  TEST CASE:
  1. Open a terminal
  2. run: unset DISPLAY
  3. run: update-manager
  
  EXPECTED RESULT:
- Update manager starts
+ It exits with a cannot open display message
  
  ACTUAL RESULT:
  It crashes
  
  apt-cache policy update-manager
  update-manager:
    Installed: 1:0.196.5
    Candidate: 1:0.196.5
    Version table:
   *** 1:0.196.5 0
          500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status
  
  ProblemType: CrashDistroRelease: Ubuntu 14.04
  Package: update-manager 1:0.196.5
  ProcVersionSignature: Ubuntu 3.13.0-3.18-generic 3.13.0-rc8
  Uname: Linux 3.13.0-3-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  Date: Wed Jan 15 18:05:36 2014
  ExecutablePath: /usr/bin/update-manager
  InstallationDate: Installed on 2012-09-30 (472 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.1)
  InterpreterPath: /usr/bin/python3.3
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager -d
  PythonArgs: ['/usr/bin/update-manager', '-d']SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in resize_to_standard_width(): 'NoneType' object has no attribute 'get_resolution'
  UpgradeStatus: Upgraded to trusty on 2013-11-10 (65 days ago)
  UserGroups:

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1269397

Title:
  update-manager crashed with AttributeError in
  resize_to_standard_width(): 'NoneType' object has no attribute
  'get_resolution' if $DISPLAY is not set

Status in “update-manager” package in Ubuntu:
  Fix Committed
Status in “update-manager” source package in Trusty:
  Fix Committed

Bug description:
  ERRORS BUCKET:
  https://errors.ubuntu.com/bucket/?id=/usr/bin/update-manager%3AAttributeError%3A%3Clambda%3E%3Aresize_to_standard_width

  TEST CASE:
  1. Open a terminal
  2. run: unset DISPLAY
  3. run: update-manager

  EXPECTED RESULT:
  It exits with a cannot open display message

  ACTUAL RESULT:
  It crashes

  apt-cache policy update-manager
  update-manager:
    Installed: 1:0.196.5
    Candidate: 1:0.196.5
    Version table:
   *** 1:0.196.5 0
          500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: CrashDistroRelease: Ubuntu 14.04
  Package: update-manager 1:0.196.5
  ProcVersionSignature: Ubuntu 3.13.0-3.18-generic 3.13.0-rc8
  Uname: Linux 3.13.0-3-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  Date: Wed Jan 15 18:05:36 2014
  ExecutablePath: /usr/bin/update-manager
  InstallationDate: Installed on 2012-09-30 (472 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.1)
  InterpreterPath: /usr/bin/python3.3
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager -d
  PythonArgs: ['/usr/bin/update-manager', '-d']SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in resize_to_standard_width(): 'NoneType' object has no attribute 'get_resolution'
  UpgradeStatus: Upgraded to trusty on 2013-11-10 (65 days ago)
  UserGroups:

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