jrivero@nium ~ $ sudo apt-get install -o Debug::pkgProblemResolver=yes gazebo5 Reading package lists... Done Building dependency tree Reading state information... Done Starting pkgProblemResolver with broken count: 1 Starting 2 pkgProblemResolver with broken count: 1 Investigating (0) gazebo5 [ amd64 ] < none -> 5.0.1-1~trusty > ( science ) Broken gazebo5:amd64 Depends on libgazebo5 [ amd64 ] < none -> 5.0.1-1~trusty > ( libs ) (= 5.0.1-1~trusty) Considering libgazebo5:amd64 0 as a solution to gazebo5:amd64 9998 Re-Instated libgazebo5:amd64 Broken gazebo5:amd64 Depends on gazebo5-common [ amd64 ] < none -> 5.0.1-2~trusty > ( science ) (= 5.0.1-1~trusty) Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: gazebo5 : Depends: gazebo5-common (= 5.0.1-1~trusty) but it is not going to be installed Recommends: gazebo5-plugin-base E: Unable to correct problems, you have held broken packages.
This was caused by the ARM release, which has a different release number (5.0.1-2). All Trusty packages (across different architectures) share the gazebo-common package. and the latest release of ARM changed the gazebo-common from 5.0.1-1 to 5.0.1-2.