[Bug 874835] Re: [master] upgrade problem with libcupsys2: "E:Error, pkgProblemResolver::Resolve generated breaks"

[Ernest Barker]

I think nspluginwrapper was my problem.  I had a canon mp600 printer
install that I used a i386 configuration script to install, that
included installing a nspluginwrapper that I don' t know the source of.
I had a system that was working fine, then I tried to upgrade that
didn't work.  I did a clean install not I have a system that is highly
unstable.  I am going back to 11.04. I may try to upgrade again in a few
months. If I still have problems I am going back to Fedora.

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https://bugs.launchpad.net/bugs/874835

Title:
  [master] upgrade problem with libcupsys2: "E:Error,
  pkgProblemResolver::Resolve generated breaks"

Status in “cups” package in Ubuntu:
  Fix Released
Status in “update-manager” package in Ubuntu:
  Invalid
Status in “cups” source package in Oneiric:
  Fix Committed
Status in “update-manager” source package in Oneiric:
  Invalid

Bug description:
  On a amd64 natty->oneirc upgrade with libcupsys2 installed the upgrade
  will not work, attached is a apt.log and the dpkg status file.

  TEST CASE:
  1. use AMD64 natty THROWAWAY VM (as the next step will put any real system into a really unmaintainable state)
  2. either use the dpkg-status file attached here via "sudo cp dpkg-status /var/lib/dpkg/status" OR just copy/paste the libcupsys2 package record from the file
  3. run do-release-upgrade
  4. verify that it fails
  5. enable natty-proposed in your /etc/apt/sources.list
  6. run "do-release-upgrade" again and verify that it works this time

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