[Bug 281218] Quectel LTE MODEM not working anymore

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 10 Sep 2024 10:12:49 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281218

--- Comment #8 from Franco Fichtner <franco@opnsense.org> ---
No, so what seems to be the case is that mpd5 is misbehaving on 14.1 vs. 13.2
for whatever reason:

> set $ErrorMsg "The modem is not responding to \"AT$modemCmd\" at ModemCmd: label."


What mpd5 says:

> CHAT: The modem is not responding to "AT" at MomCmd: labeell.

You can clearly see that it mangled "ModemCmd" into "MomCmd" and adding the
weird trailing characters into the sentence "eell".

One could argue the mpd.script file is mangled, but it doesn't make any sense
since the file is rewritten on each connection invoke.

The other one is:

"MomIdentGeneriicc"

Which is supposed to be:

"ModemIdentGeneric"

So probably the mpd5 source code, possibly inside ChatExpandString() that reads
labels and other things from the mpd.script file.

I've added debug there and we'll see what happens.


Cheers,
Franco

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