Hi, > > I have a dual SIM IOT device which was running modem-manager 1.10 on Ubuntu > 16.04. Recently upgraded to modem-manager 1.20.0 on Ubuntu 22.04. > > > > When switching from the first slot to the second slot, modem-manager is stuck > with 3GPP status "registered" with the warning messages > > > > [modem0/bearer1] connection attempt #3 failed: Couldn't find associated QMI > port for 'net/wwp0s29u1u1i10' > > > > I don't think it is a slot/SIM/APN issue because it gets data connection if > the device is rebooted with the 2nd slot active. > > SIM switch from 2nd slot to 1st slot works fine so cannot be any issue with > sim switch logic. > > Any suggestion? >
Please open a new issue in https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues and attach a MM daemon debug log, see https://modemmanager.org/docs/modemmanager/debugging/ -- Aleksander
