[Bug 1807566] Re: Update to 18.04 from 16.04 crashes

[Sankalp Sangle]

** Description changed:

  I'm thinking it's a PPA issue. Please help.
+ Edit : The process stops with this message : An unresolvable problem occurred while calculating the upgrade.
+ 
+  This can be caused by:
+  * Upgrading to a pre-release version of Ubuntu
+  * Running the current pre-release version of Ubuntu
+  * Unofficial software packages not provided by Ubuntu
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.26
  ProcVersionSignature: Ubuntu 4.15.0-42.45~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-42-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Dec  9 16:02:09 2018
  InstallationDate: Installed on 2017-01-12 (696 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-12-09 (0 days ago)
  VarLogDistupgradeTermlog:
-  
- mtime.conffile..etc.update-manager.release-upgrades: 2018-12-09T10:06:42.062255
+ 
+ mtime.conffile..etc.update-manager.release-upgrades:
+ 2018-12-09T10:06:42.062255

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https://bugs.launchpad.net/bugs/1807566

Title:
  Update to 18.04 from 16.04 crashes

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

Bug description:
  I'm thinking it's a PPA issue. Please help.
  Edit : The process stops with this message : An unresolvable problem occurred while calculating the upgrade.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.26
  ProcVersionSignature: Ubuntu 4.15.0-42.45~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-42-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Dec  9 16:02:09 2018
  InstallationDate: Installed on 2017-01-12 (696 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-12-09 (0 days ago)
  VarLogDistupgradeTermlog:

  mtime.conffile..etc.update-manager.release-upgrades:
  2018-12-09T10:06:42.062255

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