Comment 2 for bug 1078124

This also affects me:

tobydeemer@hostname:~$ sudo apt-get dist-upgrade
[sudo] password for tobydeemer:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  libav-tools libavdevice53 libavfilter2 libavformat53 libpostproc52 libswscale2
0 upgraded, 0 newly installed, 0 to remove and 6 not upgraded.

I'm running Ubuntu 12.04.1 fully patched, currently using LXDE session (not that it matters for this issue.)

/var/log/dpkg.log and /var/log/apt/history.log don't show anything useful in way of errors or problems encountered, just the successfully updated packages.