Public bug reported: [Description] After hot-swapping sim 1 and sim 2, modem manager restart is needed to be able to establish cellular connection.
[Expected result] After hot-swapping sim 1 and sim 2, cellular connection could be established after selecting the appropriate APN profile. [Actual result] After hot-swapping sim 1 and sim 2, cellular connection cannot be established after selecting the appropriate APN profile [Steps to reproduce] 1. Assuming that cellular connection was already established using sim 1, remove sim 1 from the sim card slot while the system is still booted on. 2. Insert sim 2 in the sim card slot. 3. Check that the sim card is already recognize by running "mmcli -m <index>" to check if the sim card information is reflected. 4. From the mobile broadband GUI, select the appropriate APN profile for sim 2. Notice that cellular connection cannot be established ==> PROBLEM [Workaround] 1. Run "sudo systemctl restart ModemManager" to restart Modem Manager 2. Select the appropriate APN profile to establish cellular connection Ubuntu release version: Ubuntu 20.04.4 LTS Kernel version: 5.15.0-33-generic (hwe-kernel) ** Affects: modemmanager (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to modemmanager in Ubuntu. https://bugs.launchpad.net/bugs/1978746 Title: Had to restart Modem Manager to establish Mobile broadband connection from hotswap Status in modemmanager package in Ubuntu: New Bug description: [Description] After hot-swapping sim 1 and sim 2, modem manager restart is needed to be able to establish cellular connection. [Expected result] After hot-swapping sim 1 and sim 2, cellular connection could be established after selecting the appropriate APN profile. [Actual result] After hot-swapping sim 1 and sim 2, cellular connection cannot be established after selecting the appropriate APN profile [Steps to reproduce] 1. Assuming that cellular connection was already established using sim 1, remove sim 1 from the sim card slot while the system is still booted on. 2. Insert sim 2 in the sim card slot. 3. Check that the sim card is already recognize by running "mmcli -m <index>" to check if the sim card information is reflected. 4. From the mobile broadband GUI, select the appropriate APN profile for sim 2. Notice that cellular connection cannot be established ==> PROBLEM [Workaround] 1. Run "sudo systemctl restart ModemManager" to restart Modem Manager 2. Select the appropriate APN profile to establish cellular connection Ubuntu release version: Ubuntu 20.04.4 LTS Kernel version: 5.15.0-33-generic (hwe-kernel) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1978746/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp