found it! "the right way"(TM): manual in /etc/default/acpi-support: STOP_SERVICES="sl-modem-daemon "
better: Should I file a bug against sl-modemd to "register" a restart in /etc/acpi/resume.d? -- slmodemd must be restarted after resume from suspend https://launchpad.net/bugs/39259 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
