[Bug 934371] Re: Unresolvable problem message does not help users and results in less useful bug reports

[Christian Dywan]

> grep ERROR /var/log/dist-upgrade/main.log
2014-11-21 13:32:56,186 ERROR Dist-upgrade failed: 'Das Paket »ubuntu-desktop-next« ist zum Löschen vorgesehen, wurde aber durch das System gesperrt.'

For me the log did contain the offending failure. Question is, why
doesn't the UI handle this. Showing the very same error message, which
is even localized, would help a lot, even if it means manually taking
care of it.

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https://bugs.launchpad.net/bugs/934371

Title:
  Unresolvable problem message does not help users and results in less
  useful bug reports

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Triaged
Status in “update-manager” package in Ubuntu:
  Triaged

Bug description:
  In UpdateManager/UpdateManager.py the following code exists:

      except SystemError, e:
          msg = ("<big><b>%s</b></big>\n\n%s\n'%s'" %
                 (_("Could not calculate the upgrade"),
                  _("An unresolvable problem occurred while "
                    "calculating the upgrade.\n\n"
                    "Please report this bug against the 'update-manager' "
                    "package and include the following error message:"),
                  e)
                 )

  The upgrade may not be calculated for a couple of reasons.  As an
  example we have:

  E:Error, pkgProblemResolver::Resolve generated breaks, this may be
  caused by held packages.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu

  update-manager knows, or should know, if you are upgrading to a pre-
  release or running one and should notify the user to try again as this
  may be due to archive inconsistencies rather than having them file a
  bug right away.

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