Ubuntu
update-manager package

  1. Bug #534999
  2. Comment #4

Comment 4 for bug 534999

Revision history for this message
Michael Lustfield (michaellustfield) wrote :

Simply redoing the upgrade didn't always fix it. Only part of the time.

do-release-upgrade -d
# breaks
aptitude install libplymouth2
# installs that and it's deps
do-release-upgrade -d

This is what made things work for me.