I'm seeing a very similar problem. I ran into this both upgrading from 13.04 to 13.10 and then from 13.10 to trusty. Specifically, I see the following:
Setting up cups (1.7.2-0ubuntu1.1) ...
Updating PPD files for cups ...
Updating PPD files for foomatic-db-compressed-ppds ...
Password for root on localhost?
Password for root on localhost?
Password for root on localhost?
Password for root on localhost?
[Repeated in response to any input I supply, including ^c and ^d. ]
The only "solution" I found was to kill the installation process, manually remove foomatic-db-compressed-ppds, and then attempt to resume the installation with dpkg and apt-get directly.
I'm seeing a very similar problem. I ran into this both upgrading from 13.04 to 13.10 and then from 13.10 to trusty. Specifically, I see the following:
Setting up cups (1.7.2-0ubuntu1.1) ... db-compressed- ppds ...
Updating PPD files for cups ...
Updating PPD files for foomatic-
Password for root on localhost?
Password for root on localhost?
Password for root on localhost?
Password for root on localhost?
[Repeated in response to any input I supply, including ^c and ^d. ]
The only "solution" I found was to kill the installation process, manually remove foomatic- db-compressed- ppds, and then attempt to resume the installation with dpkg and apt-get directly.