[Bug 1454293] Re: Upgrade doesn't work.

[Brian Murray]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. Please execute the following command, as it will
automatically gather debugging information, in a terminal:

  apport-collect 1454293

When reporting bugs in the future please use apport by using 'ubuntu-
bug' and the name of the package affected. You can learn more about this
functionality at https://wiki.ubuntu.com/ReportingBugs.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1454293

Title:
  Upgrade doesn't work.

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

Bug description:
  The upgrader (do-release-upgrade) says it cannot do the upgrade, after
  "calculating upgrade".

  It tells me to file a bug, and the bug-reporter then hangs. I press
  control-C and somehow it continues. Then I get a "firefox" window that
  doesn't work.

  Anyway. The error message  ("cannot perform upgrade") is not helpful
  in helping me solve the problem.

  I had a PPA installed, I guessed that might be the problem, removed it
  from my sources.list. But the error persists.

  I can hack a kernel, I can write/maintain Linux packages. But if the
  error is of the form: "cannot do X" I can't start looking for the
  cause.

  A thread on askubuntu marked as "solved" suggested just changing the
  references to the old distro's name to the new distro's name in
  apt/sources.list . I did that, and now it's upgrading. If this works,
  why can't do-release-upgrade do what it is supposed to do?

    lsb_release -rd 
  already says: 
    Description:    Ubuntu 15.04  
    Release:        15.04
  but I'm upgrading from 14.10.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1454293/+subscriptions