Hi, Not sure where to post this in the mailing list or the GitHub issues. Happy to repost it there if necessary 😊
I am trying to get a UART connected modem working with Modem Manager. When I run ModemManager in Debug I get this error Could not acquire the 'org.freedesktop.ModemManager1' service name <info> ModemManager (version 1.6.4) starting in system bus... <debug> create MMSleepMonitor singleton (0x1990dc0) <debug> Bus acquired, creating manager... <debug> [plugin manager] looking for plugins in '/usr/lib/arm-linux-gnueabihf/ModemManager' <debug> [plugin manager] loaded plugin 'Nokia' <debug> [plugin manager] loaded plugin 'Altair LTE' <debug> [plugin manager] loaded plugin 'AnyDATA' <debug> [plugin manager] loaded plugin 'X22X' <debug> [plugin manager] loaded plugin 'Pantech' <debug> [plugin manager] loaded plugin 'Novatel' <debug> [plugin manager] loaded plugin 'Option' <debug> [plugin manager] loaded plugin 'Longcheer' <debug> [plugin manager] loaded plugin 'ZTE' <debug> [plugin manager] loaded plugin 'Sierra' <debug> [plugin manager] loaded plugin 'Nokia (Icera)' <debug> [plugin manager] loaded plugin 'Iridium' <debug> [plugin manager] loaded plugin 'Dell' <debug> [plugin manager] loaded plugin 'MTK' <debug> [plugin manager] loaded plugin 'Samsung' <debug> [plugin manager] loaded plugin 'SimTech' <debug> [plugin manager] loaded plugin 'Thuraya' <debug> [plugin manager] loaded plugin 'Huawei' <debug> [plugin manager] loaded plugin 'Cinterion' <debug> [plugin manager] loaded plugin 'Linktop' <debug> [plugin manager] loaded plugin 'Motorola' <debug> [plugin manager] loaded plugin 'Ericsson MBM' <debug> [plugin manager] loaded plugin 'Sierra (legacy)' <debug> [plugin manager] loaded plugin 'Novatel LTE' <debug> [plugin manager] loaded plugin 'Via CBP7' <debug> [plugin manager] loaded plugin 'Generic' <debug> [plugin manager] loaded plugin 'Haier' <debug> [plugin manager] loaded plugin 'Telit' <debug> [plugin manager] loaded plugin 'Option High-Speed' <debug> [plugin manager] loaded plugin 'Wavecom' <debug> [plugin manager] successfully loaded 30 plugins <warn> Could not acquire the 'org.freedesktop.ModemManager1' service name <debug> Stopping connection in object manager server <info> ModemManager is shut down System Details: Using a RPI Zero W I'm on Raspbian Stretch i.e. 9 uname -a Linux valensRpiZero 4.19.66+ #1253 Thu Aug 15 11:37:30 BST 2019 armv6l GNU/Linux cat /etc/os-release PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)" NAME="Raspbian GNU/Linux" VERSION_ID="9" VERSION="9 (stretch)" VERSION_CODENAME=stretch ID=raspbian ID_LIKE=debian HOME_URL="http://www.raspbian.org/"; SUPPORT_URL="http://www.raspbian.org/RaspbianForums"; BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"; I have confirmed ModemManger is running in system sudo systemctl status ModemManager ● ModemManager.service - Modem Manager Loaded: loaded (/lib/systemd/system/ModemManager.service; enabled; vendor pre Active: active (running) since Thu 2020-04-02 18:43:04 MDT; 15h ago Main PID: 265 (ModemManager) CGroup: /system.slice/ModemManager.service └─265 /usr/sbin/ModemManager Apr 02 18:43:01 valensRpiZero systemd[1]: Starting Modem Manager... Apr 02 18:43:01 valensRpiZero ModemManager[265]: <info> ModemManager (version 1 Apr 02 18:43:04 valensRpiZero systemd[1]: Started Modem Manager. I have googled the error and previously the files for /etc/dbus-1/system.d were not copied over in Raspbian but I have confirmed this also. pi@valensRpiZero:/etc/dbus-1/system.d$ ls -l total 112 -rw-r--r-- 1 root root 1144 Jan 23 2017 avahi-dbus.conf -rw-r--r-- 1 root root 1630 Oct 20 2017 bluetooth.conf -rw-r--r-- 1 root root 652 Oct 2 2017 dnsmasq.conf -rw-r--r-- 1 root root 1375 May 20 2014 Mountall.Server.conf -rw-r--r-- 1 root root 465 Nov 2 2018 nm-dispatcher.conf -rw-r--r-- 1 root root 1180 Dec 19 2016 org.freedesktop.DisplayManager.conf -rw-r--r-- 1 root root 947 Feb 17 2019 org.freedesktop.hostname1.conf -rw-r--r-- 1 root root 937 Feb 17 2019 org.freedesktop.locale1.conf -rw-r--r-- 1 root root 12499 Feb 17 2019 org.freedesktop.login1.conf -rw-r--r-- 1 root root 9662 Nov 16 2016 org.freedesktop.ModemManager1.conf -rw-r--r-- 1 root root 1604 Feb 17 2019 org.freedesktop.network1.conf -rw-r--r-- 1 root root 9166 Nov 2 2018 org.freedesktop.NetworkManager.conf -rw-r--r-- 1 root root 1331 May 4 2018 org.freedesktop.PackageKit.conf -rw-r--r-- 1 root root 632 Dec 6 2018 org.freedesktop.PolicyKit1.conf -rw-r--r-- 1 root root 953 Feb 17 2019 org.freedesktop.resolve1.conf -rw-r--r-- 1 root root 11898 Feb 17 2019 org.freedesktop.systemd1.conf -rw-r--r-- 1 root root 947 Feb 17 2019 org.freedesktop.timedate1.conf -rw-r--r-- 1 root root 525 Nov 25 2016 org.freedesktop.UDisks2.conf -rw-r--r-- 1 root root 1513 Feb 28 2019 wpa_supplicant.conf Any help is greatly appreciated. Thanks,
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