[Bug 1247656] Re: Fails to calculate upgrade setting software channels with custom ppas purged

[Joshua Cole]

Success! After a lot of searching around using the information from apt-
cache, I wasn't able to find much more information but the versioning
that was present in the logs. The closest lead I found was a dead xorg-
testing repository which was inactive and relied on xorg-edgers. Trying
to add and then ppa-purge it didn't work because it no longer seemed to
have a manifest. However, I was able to manually apt-get install
--reinstall the whole set, and found that only xserver-xorg-video-tdfx
and xserver-xorg-video-vmware were being provided from other locations.
I allowed those to reinstall and then tried apt-get remove on the rest,
which showed that there were no unexpected or potentially dangerous
dependencies beyond the usual danger of mucking with xorg. Removing them
worked and the upgrade is now proceeding smoothly. Thanks again for the
diagnostic advice!

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https://bugs.launchpad.net/bugs/1247656

Title:
  Fails to calculate upgrade setting software channels with custom ppas
  purged

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Incomplete

Bug description:
  In accordance to solutions I saw posted in other similar issues, I installed ppa-purge and purged the xorg-edgers ppa I had installed. I also removed a couple of other ppas that seemed like they might similarly cause an issue, including kubuntu backports and webupd8. I am unsure how to proceed at this stage without more debugging information. Any suggestions on how I can provide more useful information?
  --- 
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: amd64
  CrashDB: ubuntu
  DistroRelease: Ubuntu 13.04
  InstallationDate: Installed on 2012-10-03 (398 days ago)
  InstallationMedia: Kubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120820.1)
  MarkForUpload: True
  Package: ubuntu-release-upgrader (not installed)
  ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11
  Tags:  raring dist-upgrade
  Uname: Linux 3.8.0-33-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-11-03 (2 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  VarLogDistupgradeTermlog:

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