[Bug 975320] Re: update-manager crashed with Depends in _run_in_dialog(): libx264-120 but it is not installed

[Michael Vogt]

This seems to be the catch-all bucket for errors of the type:
"""
TransactionFailed: Transaction failed: None
 The following packages have unmet dependencies:
"""

The most recent errors from errors.ubuntu.com looks like this:
"""
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 473, in _inline_callbacks
    result = gen.throw(result.type, result.value, result.traceback)
  File "/usr/lib/python2.7/dist-packages/UpdateManager/backend/InstallBackendAptdaemon.py", line 54, in commit
    yield self._run_in_dialog(trans, self.INSTALL)
  File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 473, in _inline_callbacks
    result = gen.throw(result.type, result.value, result.traceback)
  File "/usr/lib/python2.7/dist-packages/UpdateManager/backend/InstallBackendAptdaemon.py", line 75, in _run_in_dialog
    yield dia.run()
TransactionFailed: Transaction failed: None
 The following packages have unmet dependencies:

language-pack-kde-en: Depends: language-pack-kde-en-base (>= 1:12.04+20120801) but 1:12.04+20120508 is installed
libknewstuff2-4: Depends: libkdecore5 (= 4:4.8.5-0ubuntu0.1) but 4:4.8.3-0ubuntu0.1 is installed
...
""""

A quick sample of a dozen or so show me: "language-pack-kde-en:". Also interessting is that its happening mostly on 12.04:
"""
1:0.156.14.11 (12.04)
1851 instances 
"""

Now that is puzzling as https://launchpad.net/ubuntu/+source/language-
pack-kde-en-base shows that version  1:12.04+20120801  is there and that
hasn't changed in a long time.

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https://bugs.launchpad.net/bugs/975320

Title:
  update-manager crashed with                                  Depends
  in _run_in_dialog(): libx264-120 but it is not installed

Status in “aptdaemon” package in Ubuntu:
  Confirmed
Status in “aptdaemon” source package in Precise:
  Triaged

Bug description:
  I think it has something to do with trying to install flash plugins
  from firefox

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.10
  ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
  Uname: Linux 3.2.0-22-generic x86_64
  ApportVersion: 2.0-0ubuntu4
  Architecture: amd64
  CrashCounter: 1
  Date: Fri Apr  6 19:03:21 2012
  ExecutablePath: /usr/bin/update-manager
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/update-manager
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  PythonArgs: ['/usr/bin/update-manager']
  SourcePackage: update-manager
  Title: update-manager crashed with                                  Depends in _run_in_dialog(): libx264-120 but it is not installed
  UpgradeStatus: Upgraded to precise on 2012-04-06 (0 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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