QMI CID leaks

Aleksander Morgado aleksander at aleksander.es
Thu Apr 9 13:39:17 UTC 2020


Hey Teijo,

> I'm working on a patch to detect M2M eUICC profile switches on Quectel
> modems. Upon testing with Quectel EG25, which uses QMI, I noticed that
> when MM reinitializes a modem (either due to hot-swap or MM restarting),
> some of the QMI CIDs don't appear to be released. After ~10 times, the
> modem detection fails due to QMI protocol error "ClientIdsExhausted".
> The modem needs to be reset to recover from this.
>

What ModemManager version are you using? Would you be able to confirm
this issue with MM git master?

-- 
Aleksander
https://aleksander.es


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