On Wed, 2015-04-29 at 18:26 +0000, Bernd Eggink wrote: > On 29.04.2015 14:21, Aleksander Morgado wrote: > > On Tue, Apr 28, 2015 at 9:17 PM, Bernd Eggink <[email protected]> wrote: > >> first of all, I'm happy that I got mobile broadband working under Linux on > >> my Toshiba Portege, using ModemManager and mmcli. The notebook has a > >> built-in SIM port with a Sierra mobile broadband device. On Linux (Crux) I > >> get an interface "wwp0s20u4c2i12" and connecting with mmcli > >> --simple-connect > >> works well - at least the first time. > >> > >> However, when I disconnect, and then (after some time) try to re-connect, I > >> frequently don't get a connection again. Whatever I do results in a > >> timeout. > >> Neither disabling and re-enabling the modem nor removing and reloading the > >> kernel module helps; only after rebooting I can get a connection again. > >> I append part of the debug output; when the problem arises, the log starts > >> reporting "unexpected messages". Could anybody have a look into it? > >> > >> Thanks, Bernd > >> > >> ------------------------------- > >> > >> ModemManager[2465]: <debug> [1430160272.228369] > >> [mm-broadband-modem-mbim.c:1543] basic_connect_notification_signal_state(): > >> Signal state indication: 29 --> 93% > >> ModemManager[2465]: <debug> [1430160272.228516] [mm-iface-modem.c:1165] > >> update_signal_quality(): Modem /org/freedesktop/ModemManager1/Modem/0: > >> signal quality updated (93) > >> ModemManager[2465]: <info> [1430160282.212883] [mm-iface-modem.c:1392] > >> __iface_modem_update_state_internal(): Modem > >> /org/freedesktop/ModemManager1/Modem/0: state changed (enabling -> > >> disabled) > >> ModemManager[2465]: <info> [1430160282.251994] > >> [mm-iface-modem-simple.c:641] connect_auth_ready(): Simple connect > >> started... > >> ModemManager[2465]: <debug> [1430160282.252078] > >> [mm-iface-modem-simple.c:651] connect_auth_ready(): PIN: unspecified > >> ModemManager[2465]: <debug> [1430160282.252109] > >> [mm-iface-modem-simple.c:653] connect_auth_ready(): Operator ID: > >> unspecified > >> ModemManager[2465]: <debug> [1430160282.252137] > >> [mm-iface-modem-simple.c:655] connect_auth_ready(): Allowed roaming: yes > >> ModemManager[2465]: <debug> [1430160282.252164] > >> [mm-iface-modem-simple.c:657] connect_auth_ready(): APN: > >> internet.t-d1.de > >> ModemManager[2465]: <debug> [1430160282.252199] > >> [mm-iface-modem-simple.c:665] connect_auth_ready(): IP family: > >> unspecified > >> ModemManager[2465]: <debug> [1430160282.252227] > >> [mm-iface-modem-simple.c:673] connect_auth_ready(): Allowed > >> authentication: unspecified > >> ModemManager[2465]: <debug> [1430160282.252254] > >> [mm-iface-modem-simple.c:675] connect_auth_ready(): User: unspecified > >> ModemManager[2465]: <debug> [1430160282.252351] > >> [mm-iface-modem-simple.c:677] connect_auth_ready(): Password: > >> unspecified > >> ModemManager[2465]: <debug> [1430160282.252381] > >> [mm-iface-modem-simple.c:679] connect_auth_ready(): Number: unspecified > >> ModemManager[2465]: <info> [1430160282.252405] > >> [mm-iface-modem-simple.c:461] connection_step(): Simple connect state > >> (3/8): > >> Enable > >> ModemManager[2465]: <info> [1430160282.252520] [mm-iface-modem.c:1392] > >> __iface_modem_update_state_internal(): Modem > >> /org/freedesktop/ModemManager1/Modem/0: state changed (disabled -> > >> enabling) > >> ModemManager[2465]: <debug> [1430160282.252958] [mm-broadband-modem.c:8003] > >> enabling_started(): Skipping modem initialization: not required > >> ModemManager[2465]: <debug> [1430160282.254681] > >> [mm-broadband-modem-mbim.c:1216] parent_enabling_started_ready(): Couldn't > >> start parent enabling: Couldn't open ports during modem enabling: Couldn't > >> get primary port > >> ModemManager[2465]: [/dev/cdc-wdm0] Sent message... > >> <<<<<< RAW: > >> <<<<<< length = 48 > >> <<<<<< data = > >> 03:00:00:00:30:00:00:00:20:00:00:00:01:00:00:00:00:00:00:00:A2:89:CC:33:BC:BB:8B:4F:B6:B0:13:3E:C2:AA:E6:DF:03:00:00:00:00:00:00:00:00:00:00:00 > >> ModemManager[2465]: [/dev/cdc-wdm0] Sent message (translated)... > >> <<<<<< Header: > >> <<<<<< length = 48 > >> <<<<<< type = command (0x00000003) > >> <<<<<< transaction = 32 > >> <<<<<< Fragment header: > >> <<<<<< total = 1 > >> <<<<<< current = 0 > >> <<<<<< Contents: > >> <<<<<< service = 'basic-connect' (a289cc33-bcbb-8b4f-b6b0-133ec2aae6df) > >> <<<<<< cid = 'radio-state' (0x00000003) > >> <<<<<< type = 'query' (0x00000000) > >> ModemManager[2465]: [/dev/cdc-wdm0] Received message... > >>>>>>>> RAW: > >>>>>>>> length = 56 > >>>>>>>> data = > >>>>>>>> 03:00:00:80:38:00:00:00:1C:00:00:00:01:00:00:00:00:00:00:00:A2:89:CC:33:BC:BB:8B:4F:B6:B0:13:3E:C2:AA:E6:DF:03:00:00:00:00:00:00:00:08:00:00:00:01:00:00:00:01:00:00:00 > >> ModemManager[2465]: [/dev/cdc-wdm0] No transaction matched in received > >> message > >> ModemManager[2465]: [/dev/cdc-wdm0] Received unexpected message > >> (translated)... > >>>>>>>> Header: > >>>>>>>> length = 56 > >>>>>>>> type = command-done (0x80000003) > >>>>>>>> transaction = 28 > >>>>>>>> Fragment header: > >>>>>>>> total = 1 > >>>>>>>> current = 0 > >>>>>>>> Contents: > >>>>>>>> status error = 'None' (0x00000000) > >>>>>>>> service = 'basic-connect' > >>>>>>>> (a289cc33-bcbb-8b4f-b6b0-133ec2aae6df) > >>>>>>>> cid = 'radio-state' (0x00000003) > >> ModemManager[2465]: Couldn't reload current power state: Transaction timed > >> out > > > > > > Oh, how weird is that; looks like transaction ids got mismatched > > between request and response? > > > > What specific ModemManager and libmbim versions are you using? I'm > > afraid this may be an issue with the mbim-proxy. > > Aleksander, > ModemManager is 1.4.8, libmbim is 1.12.2. > > > Also, do you by any chance suspend/resume in between connection > > attempts? If so, it may be a known issue which is partially fixed in > > libmbim (latest stable) and in ModemManager (git master), and only if > > systemd (or an old upowerd) is used. > > Yes, I suspended/resumed sometimes. However, that can't be the main > reason, as I even had situations where the _first_ connection after a > fresh boot didn't work. > > > Would you be able to install ModemManager git master compiled using > > --with-suspend-resume=systemd and retry? > > I'll try the git master tomorrow, but as I'm in the lucky position to > run a system _without_ systemd, I can't use that option. Anyway, it > seems that suspending/resuming isn't a problem as long as I keep the > connection open, so I can live with it for the time being.
There's also upower support IIRC, so if you have that, and can try with --with-suspend-resume=upower, that would be great. Basically, ModemManager needs to know that the systems is going into suspend so that it can clean stuff up and reset transactions and such. Dan _______________________________________________ ModemManager-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
