[Bug 1169543] Re: Software update hangs after finished checking for updates

[Christian Reis]

I got tired. A ^C gave me:

^CTraceback (most recent call last):
  File "/usr/lib/python3/dist-packages/UpdateManager/UpdateProgress.py", line 78, in _on_backend_done
    self.window_main.start_available(not success)
  File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 186, in start_available
    self.refresh_cache()
  File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 315, in refresh_cache
    self.update_list.update(self.cache, eventloop_callback=iterate)
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 420, in update
    eventloop_callback)
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 351, in _make_groups
    if group.is_dependency(cache, pkg, eventloop_callback):
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 102, in is_dependency
    seen, eventloop_callback):
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 92, in _is_dependency_helper
    eventloop_callback)):
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 92, in _is_dependency_helper
    eventloop_callback)):
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 92, in _is_dependency_helper
    eventloop_callback)):
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 87, in _is_dependency_helper
    dependencies = candidate.get_dependencies('Depends', 'Recommends')
  File "/usr/lib/python3/dist-packages/apt/package.py", line 443, in get_dependencies
    rawtype=type_))
  File "/usr/lib/python3/dist-packages/apt/package.py", line 82, in __init__
    def __init__(self, name, rel, ver, pre, rawtype=None):

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https://bugs.launchpad.net/bugs/1169543

Title:
  Software update hangs after finished checking for updates

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  When running software updater, small dialog window appears with
  progress bar. Shows checking for updates from the various sources.

  Shows Checking for Updates...
  Progress bar is at 100% status under progress bar shows 'Finished'
  Stop button is grayed out. 
  Window hangs in this state. Does not show updates or indicate that there are no updates available. Unable to close with alt-F4, or from Gnome Shell overview or X on window. Need to xkill/kill the application.

  apt-get from CLI shows that there are updates available.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: update-manager 1:0.185
  ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
  Uname: Linux 3.8.0-17-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Tue Apr 16 09:10:36 2013
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'1366114097'
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'window-height' b'587'
   b'com.ubuntu.update-manager' b'window-width' b'628'
  InstallationDate: Installed on 2013-04-05 (10 days ago)
  InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Alpha amd64 (20130402.1)
  InterpreterPath: /usr/bin/python3.3
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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