[Bug 980785] [NEW] Muon Software Updates hangs after side-by-side request

[kmulder]

Public bug reported:

doing software updates for samba-common
 
Muon prompted with 
"What do you want to do about modified configuration file smb.conf?"

I first chose "show the differences between the versions", i looked at
the diff output and i think the option was "Continue".  It returned to
the same Muon software updates screen with the same prompt.

I then chose "show a side-by-side difference between the versions".  At
this point the Muon interface screen "locked up".  The Back and Continue
buttons are grey'd out and nothing is happening.

my system is a fresh build in the last 7 days:
:~$ uname -a
Linux kmnix 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 20:45:39 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

looking at the system monitor all processes, tree view i find:

qaptworker
  qaptworker
    dpkg
      frontend
       samba-common.po
          ucf

- - - - - -

kmulder at kmnix:~$ lsb_release -rd
Description:    Ubuntu 11.10
Release:        11.10

kmulder at kmnix:~$ apt-cache policy muon
muon:
  Installed: 1.2.1-0ubuntu1
  Candidate: 1.2.1-0ubuntu1
  Version table:
 *** 1.2.1-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: muon (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/980785

Title:
  Muon Software Updates hangs after side-by-side request

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