This bug was fixed in the package modemmanager - 1.16.6-2~21.04
---------------
modemmanager (1.16.6-2~21.04) hirsute; urgency=medium
* Backport to hirsute. (LP: #1934286)
-- Jerry Lee <jerry....@canonical.com> Wed, 07 Jul 2021 11:55:02 +0800
** Changed in: modemmanager (Ubuntu Hirsute)
Status: Fix Committed => Fix Released
** Changed in: libmbim (Ubuntu Hirsute)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1934286
Title:
Update the ModemManager to 1.16.6-2 to support some modems in Focal
and Hirsute releases.
Status in OEM Priority Project:
Confirmed
Status in libmbim package in Ubuntu:
Fix Released
Status in libqmi package in Ubuntu:
Fix Released
Status in modemmanager package in Ubuntu:
Fix Released
Status in libmbim source package in Focal:
Fix Released
Status in libqmi source package in Focal:
Fix Released
Status in modemmanager source package in Focal:
Fix Released
Status in libmbim source package in Hirsute:
Fix Released
Status in libqmi source package in Hirsute:
Fix Released
Status in modemmanager source package in Hirsute:
Fix Released
Bug description:
[Impact]
Some IOT products use wireless modems which can be working only when
recent versions of the ModemManager suite are used.
The following 2 modems need the ModemManager suite to be upgraded:
* Foxconn SDX55 T99W175 5G sub6 PCIE Modem
* Quectel SDX24 EM160R-GL 4G LTE CAT16 PCIE Modem
The main fix requested is to add the FCC unlock mechanism for Foxconn modems.
* FCC unlock operation for Foxconn modems
https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/534/commits
* dms: new 'Foxconn Set FCC authentication' command
https://gitlab.freedesktop.org/mobile-broadband/libqmi/-/merge_requests/254/commits
The minimum versions of the ModemManager suite required to enable the support
for the above 2 mentioned modems have been verified: (LP: #1928665)
* ModemManager: 1.16.6
* libmbim: 1.24.8
* libqmi : 1.28.6
The ModemManager suite in the Impish release meets the requirements.
[Test Plan]
= How to Reproduce the Bug =
Execute the following commands to list the modems detected by
ModemManager in Hirsute and Focal releases:
$ mmcli --list-modems
No modems were found
= Test Procedure =
1. Install the Ubuntu system on the tested hardware
The following images will be used to verify the version of the ModemManager
suite:
* Impish:
https://cdimage.ubuntu.com/daily-live/current/impish-desktop-amd64.iso
* Hirsute: https://releases.ubuntu.com/21.04/ubuntu-21.04-desktop-amd64.iso
* Focal:
https://releases.ubuntu.com/focal/ubuntu-20.04.2.0-desktop-amd64.iso
2. Upgrade the kernel and driver ( for Foxconn and Quectel modem )
The kernel needs to get some patches from 5.13 and includes a back ported
Quectel driver to support these 2 modems.
We have prepared a kernel packages for testing:
https://people.canonical.com/~mschiu77/lp1928665/v2/
3. Install the ModemManager suite ( for Hirsute and Focal releases )
The ModemManager suite will be installed from the -proposed
component:
$ sudo apt update
$ sudo apt install modemmanager
$ sudo apt install libqmi-utils
4. Execute the following commands
4.1 Get the run-time environment
$ uname -ar
$ lsb_release -a
$ mmcli -V
$ qmicli -V
4.2 Check the status of the ModemManager service
$ sudo systemctl status ModemManager.service
4.3 List the detected modems
$ mmcli --list-modems
4.4 Check the modem’s status
$ mmcli --modem 0
4.5 Install and execute Lenovo’s FCC unlock app ( for Quectel modem
only )
$ sudo snap install --devmode --dangerous dpr-wwan_1.0-wwan-
test_amd64.snap
4.6 Enable the detected modem
$ sudo mmcli --modem 0 --enable
4.7 Check the modem’s status
$ mmcli --modem 0
= Analyze the Tested Result =
1. Check if installed packages are working
The result of test procedure 4.1 and 4.2 can be used to make sure the
installed packages are working.
If the Modemmanager.service is active(running), the packages are working.
2. Check if the supported modem can be detected
The result of test procedure 4.3 can be used to see if the modem can be
detected by ModemManager or not.
The supported modems should be listed.
3. Check if the modem can be enabled
If the modem can be enabled, the state of the modem in the test
procedure 4.7 will be set to be registered.
= Certification Validation =
Additionally to the aforementioned test cases, the Certification Team
will perform some coverage testing across supported devices to make
sure the other modems still work as expected.
[Where problems could occur]
There is a risk that modems supported in the old versions of
ModemManager suite may not be supported in the newer versions.
[Other Info]
We need to upgrade to these 3 packages (in Impish) at the same time:
* ModemManager: 1.16.6
* libmbim: 1.24.8
* libqmi : 1.28.6
To support the mentioned 2 modems, the system needs to use kernels which
include specific patches and kernel config options .
For ex., there is a patched 5.11 kernel which is working for:
https://bugs.launchpad.net/austin/+bug/1928665/comments/7
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