it's definitely related to network-trouble here as well. i took the quick way (cp /etc/network/interfaces /etc/network/interfaces.bkp and clearing interfaces, reboot) and well afterwards firefox launched immediately. thanks ralf!
-- Firefox is extremely slow to respond; starts in about 4 min https://bugs.launchpad.net/bugs/231384 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs