Hi Aleksander, > You disabled suspend/resume monitoring, so MM wouldn't know when to> reload > the incoming text messages, if that's something we should be > doing. Is the host awaken when the new SMS arrives, even if MM > doesn't re-read the full list of SMS? Or is the host not even awaken > in this case?
The host is resuming when the QMI indication is coming in. The EG25-G modem has an option to cache AT URCs which is leveraged by the eg25-manager. As this doesn't exist for QMI, these indications are lost as ModemManager is not fully operational yet when the host is resuming. > I assume this merge request goes in line of trying to fix this, > right? > https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/433 > I replied there some comments about the approach taken; in short, I > don't think we should blindly replace the whole WMS based logic to > use the AT based SMS management in all Quectel modems, that's a bit > overkill :D Yes, it's overkill :) my main goal was to get it working and then get feedback to see how this can be fixed properly :D > I think we need to understand why, in the case of suspend/resume > cycle and using only QMI, we're not receiving and processing the WMS > indications properly: > * As said above, does the host even awake when the SMS arrives and > we're using QMI? > * Is it any different (host awaking) when using AT? > * Or is it that when using AT the URCs are queued in the modem and > once the host is awake later on we end up reading them correctly? And > if so, why is this not happening in the same way with QMI? * The host is still in it's resuming phase when the QMI indication comes in. * AT URCs are cached by the modem until the host is fully resumed. This is controlled by the eg25-manager. Kind regards, Dylan Van Assche
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