I can confirm this bug here, I have the same Motorola Si3054 software modem and the output to sudo /etc/init.d/sl-modem-daemon start is:
FATAL: Module ungrab_winmodem not found. FATAL: Module slamr not found. ** Changed in: sl-modem (Ubuntu) Status: New => Confirmed -- Motorola Si3054 software modem not working https://bugs.launchpad.net/bugs/150840 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs