Unpacking mc (from .../mc_3%3a4.7.0.9-1_amd64.deb) ...
Processing triggers for doc-base ...
Processing 36 changed 1 added doc-base file(s)...
Registering documents with scrollkeeper...
Processing triggers for man-db ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing man-db (--unpack):
 subprocess installed post-installation script returned error exit status 1