Hi Dawid, thank you for reporting this bug! Please show verbose debconf information: debconf-show apt-fast debconf
And during upgrade/installation please export DEBCONF_DEBUG to developer (with unmodified postinst): DEBCONF_DEBUG=developer dpkg --configure -a -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1065678 Title: Unable to install apt-build, apparently a bug in debconf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-build/+bug/1065678/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
