On 2016-03-09 05:02, Sebastien Badia wrote: > root@986c8ab6cb31:~# dpkg -i ruby-amqp_1.5.1-3_all.deb > Selecting previously unselected package ruby-amqp. > (Reading database ... 18260 files and directories currently installed.) > Preparing to unpack ruby-amqp_1.5.1-3_all.deb ... > Unpacking ruby-amqp (1.5.1-3) ... > Replacing files in old package ruby-amq-client (1.0.4-1) ... > Setting up ruby-amqp (1.5.1-3) ... > root@986c8ab6cb31:~# apt policy ruby-amq-client > ruby-amq-client: > Installed: 1.0.4-1 > Candidate: 1.0.4-1 > Version table: > *** 1.0.4-1 100 > 100 /var/lib/dpkg/status > root@986c8ab6cb31:~# apt policy ruby-amqp > ruby-amqp: > Installed: 1.5.1-3 > Candidate: 1.5.1-3 > Version table: > *** 1.5.1-3 100 > 100 /var/lib/dpkg/status
That looks like you only have a Replaces: ruby-amq-client without a corresponding Breaks. If you remove ruby-amqp at this point, ruby-amq-client will still be installed, but will be missing some files, despite of dpkg considering it as correctly installed. Andreas