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
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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
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