[Bug 1269397] Re: update-manager crashed with AttributeError in resize_to_standard_width(): 'NoneType' object has no attribute 'get_resolution'

Jean-Baptiste Lallement jean-baptiste.lallement at ubuntu.com
Fri Apr 4 07:45:10 UTC 2014


** Changed in: update-manager (Ubuntu)
   Importance: Medium => High

** Changed in: update-manager (Ubuntu)
       Status: Confirmed => Triaged

** Summary changed:

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

** Description changed:

- it happened immediately after login.
+ TEST CASE:
+ 1. Open a terminal
+ 2. run: unset DISPLAY
+ 3. run: update-manager
+ 
+ EXPECTED RESULT:
+ Update manager starts
+ 
+ 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
+   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: Crash
  DistroRelease: 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: rls-t-incoming

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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:
  Triaged

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

  EXPECTED RESULT:
  Update manager starts

  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: Crash
  DistroRelease: 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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