I'm joining the request. Ubuntu 22.04 with latest updates:
$ apt list --installed | grep modem-manager-gui
modem-manager-gui-help/jammy,jammy,now 0.0.20-3 all [instalado, automático]
modem-manager-gui/jammy,now 0.0.20-3 amd64 [instalado]
I'd like to use the connection manager from modem-manager-
I can confirm the case
Modem: HUAWEI E153
network-manager 1.36.4-2ubuntu1
modem-manager-GUI 0.0.20-3
Kernel Linux 5.15.0-27-generic x86_64
Version 22.04 LTS (Jammy Jellyfish) 64-bit
MATE 1.26.0
yx@yx-HP:~$ modem-manager-gui
Connection manager: Network Manager >= 0.9.0
Modem manager: Modem Manage
Model: Huawei E303
It seems that the problem is related to the chosen connection manager,
with pppd the app opens allowing to send messages and USSD codes but it
does not have support to manage internet connections, and if I choose
the Network Manager the app just closes
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** Changed in: modem-manager-gui (Debian)
Status: Unknown => New
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https://bugs.launchpad.net/bugs/1971435
Title:
Modem Manager gui crashed
To manage notifications about this bug
What make/model modem do you have? I am unable to reproduce this with a
Huawei E3276.
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https://bugs.launchpad.net/bugs/1971435
Title:
Modem Manager gui crashed
To manage notifications
** Bug watch added: Debian Bug tracker #1004258
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1004258
** Also affects: modem-manager-gui (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1004258
Importance: Unknown
Status: Unknown
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