8.04LTS->10.04LTS upgrade failed: Various packages have broken dependancies

[MarcRandolph]

Next layer of the onion beyond https://bugs.launchpad.net/ubuntu/+source/mythbuntu-default-settings/+bug/554676

apt.log has the following entries of interest:

Installing usplash as dep of mythbuntu-desktop
Setting NOT as auto-installed (direct dep of pkg in APT::Never-MarkAuto-Section)
...
Package plymouth has broken dep on usplash
  Considering usplash 5 as a solution to plymouth 10
  Added usplash to the remove list
  Considering usplash 5 as a solution to plymouth 10
  Fixing plymouth via remove of usplash
...
Package mythbuntu-desktop has broken dep on usplash
  Considering usplash 5 as a solution to mythbuntu-desktop -1
  Removing mythbuntu-desktop rather than change usplash

And then mythvideo related:

Investigating libmyth-perl
Package libmyth-perl has broken dep on libmythtv-perl
...
Investigating mythvideo
Package mythvideo has broken dep on python-xml
  Considering python-xml 1 as a solution to mythvideo -1
  Removing mythvideo rather than change python-xml
 Try to Re-Instate libmyth-perl
 ^^^^
 (suggested action?)

Others of possible worry (if not due to the above):

Investigating mythtv
Package mythtv has broken dep on mysql-server
  Considering mysql-server 4 as a solution to mythtv -1
  Removing mythtv rather than change mysql-server
Investigating mythtv-backend-master
Package mythtv-backend-master has broken dep on mysql-server
  Considering mysql-server 4 as a solution to mythtv-backend-master -1
  Removing mythtv-backend-master rather than change mysql-server
Investigating mythtv-frontend
Package mythtv-frontend has broken dep on libxvmc1
  Considering libxvmc1 126 as a solution to mythtv-frontend 21
  Removing mythtv-frontend rather than change libxvmc1
Investigating mythtv-transcode-utils
Package mythtv-transcode-utils has broken dep on libmyth-0.21-0
  Considering libmyth-0.21-0 126 as a solution to mythtv-transcode-utils 3
  Removing mythtv-transcode-utils rather than change libmyth-0.21-0
Investigating mythtv-backend
Package mythtv-backend has broken dep on libmyth-0.21-0
  Considering libmyth-0.21-0 126 as a solution to mythtv-backend 3
  Removing mythtv-backend rather than change libmyth-0.21-0

ProblemType: Bug
Architecture: i386
Date: Thu Apr 8 23:57:04 2010
DistroRelease: Ubuntu 8.04
Package: mythbuntu-desktop 0.20
PackageArchitecture: i386
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: mythbuntu-meta
Uname: Linux 2.6.24-27-generic i686
UnreportableReason: This is not a genuine Ubuntu package

[Michael Vogt (mvo)]

Could you please attach main.log as well?

[MarcRandolph (mrand)]

Anyone that hasn't already done this LTS upgrade isn't likely to now, and no-one seems to be focused on fixing this.