Bugzilla – Bug 1214353
mhi: Enabling broadband connecting not working
Last modified: 2024-07-16 11:27:28 UTC
Created attachment 868851 [details] hwinfo.txt When trying to use broadband connecting with network manager, I can not get beyond entering SIM code - starting connection does not work System Slot: #36 Designation: "M.2 WWAN Connector (J3702)" Type: 0xa6 (Other) Bus Width: 0x08 (Other) Status: 0x03 (Available) Length: 0x04 (Long) Slot ID: 4 Characteristics: 0x0704 (3.3 V, PME#, Hot-Plug)
Created attachment 868852 [details] journalctl_-u_ModemManager.txt
Is it a Leap kernel problem? If you install the kernel from OBS Kernel:stable:Backport, does it start working?
Created attachment 869786 [details] dmesg-6.5.5-lp154.3.g6cf5261-default I don't think the 6.5.5 kernel is improving the situation in any sense. See new logs attached.
Created attachment 869787 [details] journalctl_-u_ModemManager-6.5.5
Same problem with Leap 15.6
You can try the latest kernel from OBS Kernel:stable:Backport or Kernel:HEAD:Backport repo. If it doesn't work with those, it means that the problem is in the upstream kernel, and it should be handled in the upstream tracker.
Created attachment 876030 [details] journalctl_-u_ModemManager-6.10.0-rc7.txt
Created attachment 876031 [details] dmesg-6.10.0-rc7.txt Still no improvements with latest kernel from Kernel:HEAD:Backport
Then at best please report to the upstream devs. But, looking through the modem log, I noticed the following line: [modem0] error initializing: Modem is currently locked, cannot fully initialize Is the SIM card really usable for this device?
I found https://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg6051059.html And after the command # mbimcli -p -d /dev/wwan0mbim0 --quectel-set-radio-state=on The connection could be started: Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] simple connect started... Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] simple connect state (3/10): enable Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] state changed (disabled -> enabling) Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] power state updated: on Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] simple connect state (4/10): wait to get fully enabled Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] state changed (enabling -> enabled) Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] 3GPP registration state changed (unknown -> registering) Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] simple connect state (5/10): wait after enabled Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] 3GPP registration state changed (registering -> home) Jul 16 10:27:19 t14s ModemManager[19631]: <info> [modem0] state changed (enabled -> registered) Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0] simple connect state (6/10): register Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0] simple connect state (7/10): wait to get packet service state attached Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0] simple connect state (8/10): bearer Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0] simple connect state (9/10): connect Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0] state changed (registered -> connecting) Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0/bearer1] reloading stats is supported by the device Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0] state changed (connecting -> connected) Jul 16 10:27:20 t14s ModemManager[19631]: <info> [modem0] simple connect state (10/10): all done Jul 16 10:29:27 t14s ModemManager[19631]: <info> [modem0] state changed (connected -> disconnecting) Jul 16 10:29:27 t14s ModemManager[19631]: <info> [modem0] state changed (disconnecting -> registered) Jul 16 10:29:27 t14s ModemManager[19631]: <info> [modem0/bearer1] connection #1 finished: duration 127s, tx: 106835 bytes, rx: 140370 bytes
Created attachment 876068 [details] journalctl_-u_ModemManager_-u_NetworkManager.txt Log for running command: mbimcli -p -d /dev/wwan0mbim0 --quectel-set-radio-state=on first as user (failed with "couldn't enable interface: 'Invalid transition'"), then via sudo (passed)