Excellent. Thanks for following up!
Dan On Mar 10, 2025 at 7:16 AM -0500, Lech Perczak <lech.perc...@camlingroup.com>, wrote: > Hello Aleksander, Dan > > It works perfect now again, thanks! > I'm sorry that I totally forgot about this thread - but still letting you > know. > With kind regards, > Lech > W dniu 22.12.2024 o 19:13, Aleksander Morgado pisze: > > Hey, > > > > On Sun, Dec 22, 2024 at 6:49 PM Aleksander Morgado > > <aleksander.morg...@gmail.com> wrote: > > > > > > > > > > On Sun, Dec 22, 2024 at 6:37 PM Aleksander Morgado > > > > <aleksander.morg...@gmail.com> wrote: > > > > > Hey, > > > > > > > > > > > > > > > After updating to the latest main (at eda130f3bf1c), in our > > > > > > > > > team > > > > > > > > > we've noticed, that in our CI, that QMI port sometimes fails > > > > > > > > > to > > > > > > > > > probe, > > > > > > > > > with Telit LE910C4-WWXD. The result is the modem having only > > > > > > > > > AT > > > > > > > > > ports > > > > > > > > > available, thus falling back to using PPP for the data > > > > > > > > > connection. > > > > > > > > > > > > > > > > Well that's not awesome; I'll dig into it. If you figure out > > > > > > > > anything > > > > > > > > too, let me know. > > > > > > > > > > > > > > > > > > > > > > When this happens, does MM attempt to probe the port as AT before > > > > > > > trying QMI? > > > > > > > > > > > > > > > > > > > With the changes in that referenced commit, it looks like > > > > > > serial_probe_step() may be running serial_open_at() also for the > > > > > > QMI and MBIM ports, which is not right, as that would create a new > > > > > > MMSerialPort in ctx->serial. > > > > > > > > > > > > The serial_probe_step() (ideally renamed as probe_step() to make it > > > > > > clearer that it is not serial-specific) should not run any > > > > > > serial-specific operation (e.g. CUSTOM_INIT, AT_OPEN_PORT, ....) > > > > > > for ports that do not require any AT or QCDM probing. > > > > > > > > > > > > WDYT? > > > > > > > > The issue can be reproduced with modems for which the corresponding > > > > plugin has "custom_init" configured, e.g. Telit or Cinterion: > > > > > > > > ModemManager[4112]: <dbg> [1734889629.161510] [cdc-wdm0/probe] no > > > > AT/QCDM/QMI probing in possible MBIM port > > > > ModemManager[4112]: <dbg> [1734889629.162057] [cdc-wdm0/probe] port is > > > > not AT-capable > > > > ModemManager[4112]: <dbg> [1734889629.162867] [cdc-wdm0/probe] port is > > > > not QCDM-capable > > > > ModemManager[4112]: <dbg> [1734889629.163621] [cdc-wdm0/probe] port is > > > > not QMI-capable > > > > ModemManager[4112]: <dbg> [1734889629.164981] [cdc-wdm0/probe] > > > > launching port probing: 'mbim' > > > > ModemManager[4112]: <msg> [1734889629.166516] [cdc-wdm0/probe] probe > > > > step: start > > > > ModemManager[4112]: <msg> [1734889629.166988] [cdc-wdm0/probe] probe > > > > step: custom init open port > > > > I tried to fix this with > > https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/1273 > > > > Let us know if this solves the problem completely or not. > > ___ > > This email originated from outside of Camlin Group. Do not click on links > > or open attachments unless you are confident they are secure. If in doubt, > > please raise a security incident via the following portal: Camlin Helpdesk > > – Report an Information Security Incident/Non-Conformance > -- > Pozdrawiam/With kind regards, > Lech Perczak > > Sr. Software Engineer > Camlin Technologies Poland Limited Sp. z o.o. > Strzegomska 54, > 53-611 Wroclaw > Tel: (+48) 71 75 000 16 > Email: lech.perc...@camlingroup.com > Website: http://www.camlingroup.com
