[Bug 1006103] [NEW] update-manager crashes, apt-get, ubuntu-bug and software center do not work too

[Markus Kreusch]

Public bug reported:

For about a week the update manager crashes while initializing the
package information.

I'm a bit helpless because a bug report (using ubuntu bug) could not be
generated and apt-get update does also not work. I will provide any
information I have and will do furhter analysis if you give me
instructions.

The unity panel contains a notification icon stating that problems
occured while running the update-manager. The user shall run the update-
manager manually (1) or run apt-get in a terminal (2). As mentioned
before there was a problem when running ubuntu-bug (3).

= 1 run the update-manager manually =

The application displays an error message and states a bug report should be placed and the following error message should be attached:
---
E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages, E:Die Paketliste oder die Statusdatei konnte nicht eingelesen oder geöffnet werden (Translation: The package list or the status file could not be read or opened).
---

= 2 Run apt-get in a terminal =

Running apt-get in a terminal failed. There were several http 404 and
some GPG errors. You will find the apt.out in the attachment. I attached
/etc/apt/sources.list too.

= 3 Problems while running ubuntu-bug (this seems to be already reported
as Bug #996522) =

While trying to generate a bug report using "ubuntu-bug update-manager" ubuntu-bug failed and the following error message was displayed:
---
Ungültiger Problembericht  - Konnte Paket- oder Quellpaket-Namen nicht bestimmen.
(Translation: Invalid issue report - couldn't determine package- or source-name)
---

= Version Information =

markus at markus-K52Jc:~$ lsb_release -rd
Description:	Ubuntu 12.04 LTS
Release:	12.04

I was not able to determine the version of the update-manager used
because "apt-cache policy update-manager" fails with the same error
message as "apt-get upgrade" does (see attachment). I tried to use the
Software Center without luck (It crashes just after start. The error
report can not be generated. The error is the same displayed by ubuntu-
bug.)

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: precise

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https://bugs.launchpad.net/bugs/1006103

Title:
  update-manager crashes, apt-get, ubuntu-bug and software center do not
  work too

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

Bug description:
  For about a week the update manager crashes while initializing the
  package information.

  I'm a bit helpless because a bug report (using ubuntu bug) could not
  be generated and apt-get update does also not work. I will provide any
  information I have and will do furhter analysis if you give me
  instructions.

  The unity panel contains a notification icon stating that problems
  occured while running the update-manager. The user shall run the
  update-manager manually (1) or run apt-get in a terminal (2). As
  mentioned before there was a problem when running ubuntu-bug (3).

  = 1 run the update-manager manually =

  The application displays an error message and states a bug report should be placed and the following error message should be attached:
  ---
  E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages, E:Die Paketliste oder die Statusdatei konnte nicht eingelesen oder geöffnet werden (Translation: The package list or the status file could not be read or opened).
  ---

  = 2 Run apt-get in a terminal =

  Running apt-get in a terminal failed. There were several http 404 and
  some GPG errors. You will find the apt.out in the attachment. I
  attached /etc/apt/sources.list too.

  = 3 Problems while running ubuntu-bug (this seems to be already
  reported as Bug #996522) =

  While trying to generate a bug report using "ubuntu-bug update-manager" ubuntu-bug failed and the following error message was displayed:
  ---
  Ungültiger Problembericht  - Konnte Paket- oder Quellpaket-Namen nicht bestimmen.
  (Translation: Invalid issue report - couldn't determine package- or source-name)
  ---

  = Version Information =

  markus at markus-K52Jc:~$ lsb_release -rd
  Description:	Ubuntu 12.04 LTS
  Release:	12.04

  I was not able to determine the version of the update-manager used
  because "apt-cache policy update-manager" fails with the same error
  message as "apt-get upgrade" does (see attachment). I tried to use the
  Software Center without luck (It crashes just after start. The error
  report can not be generated. The error is the same displayed by
  ubuntu-bug.)

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