(from bug 937196)
1. Install Mythbuntu 10.04, and reboot
2. Press ESC to quit Mythbuntu
3. Do not install updates even if the system request you to do it
4. In a terminal run the following command:
$ do-release-upgrade -d
5. Proceed with the upgrade to Precise
Upgrade to Precise fails with the following trace in /var/log/dist-upgrade/apt-term.log:
Setting up libplymouth2 (0.8.2-2ubuntu30) ...
dpkg: dependency problems prevent configuration of ifupdown:
ifupdown depends on upstart-job; however:
Package upstart-job is not installed.
Package upstart which provides upstart-job is not configured yet.
ifupdown depends on initscripts (>= 2.88dsf-13.3); however:
Package initscripts is not configured yet.
dpkg: error processing ifupdown (--configure):
dependency problems - leaving unconfigured
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Errors were encountered while processing:
Upgrade to Precise succeeds
It automatically detected the bug....
DistroRelease: Ubuntu 12.04
Package: resolvconf 1.63ubuntu14
ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18
Uname: Linux 3.2.0-25-generic x86_64
Date: Sat Jun 23 14:03:11 2012
ErrorMessage: ErrorMessage: pre-dependency problem - not installing resolvconf
Title: package resolvconf 1.63ubuntu14 failed to install/upgrade: ErrorMessage: pre-dependency problem - not installing resolvconf
UpgradeStatus: Upgraded to precise on 2012-06-23 (0 days ago)