I'm on ubuntu 12.04.Running sudo apt-get dist-upgrade is not upgrading some packages. I can't upgrade them with graphical Update Manager too.
sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages have been kept back: libavdevice53 libavformat53 libpostproc52 libswscale2 0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.
LSB Version: core-2.0-ia32:core-2.0-noarch:core-3.0-ia32:core-3.0-noarch:core-3.1-ia32:core-3.1-noarch:core-3.2-ia32:core-3.2-noarch:core-4.0-ia32:core-4.0-noarch Distributor ID: Ubuntu Description: Ubuntu 12.04.1 LTS Release: 12.04 Codename: precise