Cannot activate WWAN connection, repeatedly connects and disconnects very quickly

[Nicholas Hirras]

I have a SIM installed and activated. If I boot into Windows I can verify connectivity works there. In Ubuntu I can see the connection. When I try to activate it, graphically it toggles on and off very quickly. mccli output is pasted below.

I believe all the hardware is fully supported. This laptop can be ordered with Linux (Ubuntu 22.04 LTS) or Windows 10/11. It is a Lenovo ThinkPad z16 gen1

Additionally here's a screen cap of what I'm seeing in the UI

https://photos.app.goo.gl/bsoQbF7KPC9zLufr6

# mmcli -m 0

  ----------------------------------
  General | path: /org/freedesktop/ModemManager1/Modem/0
           | device id: 06d0e7ce8f0a51e2ae17d0340ef10fe5c0e7794e
  ----------------------------------
  Hardware | manufacturer: Intel
           | model: MBIM [8086:7560]
           | firmware revision: 18601.5001.00.01.16.35_TM
           | h/w revision: V1.3
           | supported: gsm-umts, lte
           | current: gsm-umts, lte
           | equipment id: 016175005936119
  ----------------------------------
  System | device: /sys/devices/pci0000:00/0000:00:01.3/0000:05:00.0
           | drivers: iosm
           | plugin: Intel
           | primary port: wwan0mbim0
           | ports: wwan0 (net), wwan0at0 (at), wwan0at1 (at), wwan0mbim0 (mbim)
  ----------------------------------
  Numbers | own: 16318330089ËFsÿ
  ----------------------------------
  Status | unlock retries: sim-pin (3)
           | state: disabled
           | power state: low
  ----------------------------------
  Modes | supported: allowed: 3g, 4g; preferred: none
           | current: allowed: 3g, 4g; preferred: none
  ----------------------------------
  IP | supported: ipv4, ipv6, ipv4v6
  ----------------------------------
  3GPP | imei: 016175005936119
           | enabled locks: fixed-dialing
           | packet service state: detached
  ----------------------------------
  3GPP EPS | ue mode of operation: csps-2
           | initial bearer ip type: ipv4v6
  ----------------------------------
  SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/0
           | sim slot paths: slot 1: /org/freedesktop/ModemManager1/SIM/0 (active)
           | slot 2: /org/freedesktop/ModemManager1/SIM/1

------

# journalctl -f -u NetworkManager.service

Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2611] policy: auto-activating connection 'Google-Fi' (05250c1d-91b1-420c-99ec-f922b318a83d)
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2614] device (wwan0mbim0): Activation: starting connection 'Google-Fi' (05250c1d-91b1-420c-99ec-f922b318a83d)
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2614] device (wwan0mbim0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2781] device (wwan0mbim0): state change: prepare -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2787] policy: auto-activating connection 'Google-Fi' (05250c1d-91b1-420c-99ec-f922b318a83d)
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2791] device (wwan0mbim0): Activation: starting connection 'Google-Fi' (05250c1d-91b1-420c-99ec-f922b318a83d)
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2791] device (wwan0mbim0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2795] device (wwan0mbim0): state change: prepare -> deactivating (reason 'user-requested', sys-iface-state: 'managed')
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.2797] audit: op="device-disconnect" interface="wwan0mbim0" pid=3422 uid=1000 result="success"
Jan 31 20:32:10 nickh-ThinkPad-Z16 NetworkManager[1115]: <info> [1706754730.3267] device (wwan0mbim0): state change: deactivating -> disconnected (reason 'user-requested', sys-iface-state: 'managed')

ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: modemmanager 1.20.6-1ubuntu1
ProcVersionSignature: Ubuntu 6.5.0-15.15-generic 6.5.3
Uname: Linux 6.5.0-15-generic x86_64
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Jan 31 20:27:22 2024
InstallationDate: Installed on 2024-01-30 (1 days ago)
InstallationMedia: Ubuntu 23.10.1 "Mantic Minotaur" - Release amd64 (20231016.1)
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: modemmanager
UpgradeStatus: No upgrade log present (probably fresh install)

[Agathe Porte (gagath)]

Can reproduce on Noble (24.04), with a slightly different log but the same symptoms:

Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.0747] device (wwan0mbim0): Activation: starting connection 'Mobile Internet' (43d34e84-2773-416a-9535-73ae2fc773ab)
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.0748] device (wwan0mbim0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.0750] manager: NetworkManager state is now CONNECTING
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1011] device (wwan0mbim0): state change: prepare -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1015] manager: NetworkManager state is now CONNECTED_LOCAL
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1021] policy: auto-activating connection 'Mobile Internet' (43d34e84-2773-416a-9535-73ae2fc773ab)
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1025] device (wwan0mbim0): Activation: starting connection 'Mobile Internet' (43d34e84-2773-416a-9535-73ae2fc773ab)
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1026] device (wwan0mbim0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1027] manager: NetworkManager state is now CONNECTING
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1285] device (wwan0mbim0): state change: prepare -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1289] manager: NetworkManager state is now CONNECTED_LOCAL
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1295] policy: auto-activating connection 'Mobile Internet' (43d34e84-2773-416a-9535-73ae2fc773ab)
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1300] device (wwan0mbim0): Activation: starting connection 'Mobile Internet' (43d34e84-2773-416a-9535-73ae2fc773ab)
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1301] device (wwan0mbim0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1303] manager: NetworkManager state is now CONNECTING
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1572] device (wwan0mbim0): state change: prepare -> disconnected (reason 'user-requested', sys-iface-state: 'managed')
Mar 26 14:59:13 ubuntu NetworkManager[2022]: <info> [1711461553.1579] manager: NetworkManager state is now CONNECTED_LOCAL

Maybe related to LP: #1592514

The SIM card works just fine on a spare smartphone and the data link can be established. No user is needed in the smartphone connection, so I do not understand the state changes.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.