[Bug 1045285] Re: lucid upgrade to precise fails

[Marius Gedminas]

The first error in screenlog.0 was

    Setting up lxdm (0.4.1-0ubuntu6) ...
    Installing new version of config file /etc/lxdm/lxdm.conf ...
    Installing new version of config file /etc/lxdm/Xsession ...
    Installing new version of config file /etc/pam.d/lxdm ...
    Installing new version of config file /etc/init/lxdm.conf ...
    dpkg: error processing lxdm (--configure):
     subprocess installed post-installation script returned error exit status 1
    Processing triggers for libc-bin ...
    No apport report written because MaxReports is reached already
    ldconfig deferred processing now taking place
    Errors were encountered while processing:
     lxdm

To debug why the lxdm postinst script fails, you need to edit
/var/lib/dpkg/info/lxdm.postinst and change the line that says

    set -e

to

    set -ex

to enable verbose output, then run 'sudo dpkg --configure -a' and attach
the output here.

If you could do this, it would help any other users that might encounter
the same problem during upgrades.

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https://bugs.launchpad.net/bugs/1045285

Title:
  lucid upgrade to precise fails

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

Bug description:
  I tried to upgrade a machine from 10.04 to 12.04. It failed with
  symptoms similar to those described in

  https://bugs.launchpad.net/ubuntu/+source/python-defaults/+bug/990740

  but following guidance there, I am opening my own report to avoid
  mixing symptoms of possibly different bugs. I'm new to the whole
  launchpad process so please be gentle. I tried to use ubuntu-bug to
  report the bug, but it failed, so I'm reporting manually:

  $ ubuntu-bug update-manager
  Traceback (most recent call last):
    File "/usr/share/apport/apport-gtk", line 15, in <module>
      from apport import unicode_gettext as _
    File "/usr/lib/python2.6/dist-packages/apport/__init__.py", line 1, in <module>
      from apport.report import Report
    File "/usr/lib/python2.6/dist-packages/apport/report.py", line 18, in <module>    from problem_report import ProblemReport
  ImportError: No module named problem_report

  More in the next post if this works ...

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