Looks like that all packages which use debconf are affected here. Perhaps apt or dpkg should check whether /var/cache/debconf/config.dat is locked before starting an update.
Setting up ufw (0.23.3) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing ufw (--configure):
subprocess post-installation script returned error exit status 1
Setting up cups (1.3.9-2ubuntu8) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing cups (--configure):
subprocess post-installation script returned error exit status 1
Looks like that all packages which use debconf are affected here. Perhaps apt or dpkg should check whether /var/cache/ debconf/ config. dat is locked before starting an update.
Setting up ufw (0.23.3) ... debconf/ config. dat is locked by another process: Resource temporarily unavailable debconf/ config. dat is locked by another process: Resource temporarily unavailable
debconf: DbDriver "config": /var/cache/
dpkg: error processing ufw (--configure):
subprocess post-installation script returned error exit status 1
Setting up cups (1.3.9-2ubuntu8) ...
debconf: DbDriver "config": /var/cache/
dpkg: error processing cups (--configure):
subprocess post-installation script returned error exit status 1