ANN: ModemManager 1.18.4 released

Peter Naulls peter at
Fri Dec 3 14:28:51 UTC 2021

On 12/3/21 3:48 AM, Aleksander Morgado wrote:
> Hey,

>> However, and by all means convince me otherwise, I could still see
>> the fall though case to PPP happening when things are not quite ready
>> with the USB stack, QMI driver, etc.  And that's a real problem for me.
> Here we're relying on two things: the kernel exposes all ports
> (control and data) of a given single device in a certain amount of
> time; plus, the modem makes those exposed ports functional in a
> certain amount of time. If for any reason those things go wrong, the
> MM probing will fail.

No argument here. I understand that timeouts must happen and things
take different amounts of time.

However, for my setup, two things are critical - one, that it keeps
trying indefinitely. Hence my suggested OpenWrt patches earlier
this year. I don't know if those were integrated or not; they
were met with some derision at the time.

And two, that we never, ever try to use PPP.  To that end,
I may need to fashion a patch to make this so - maybe just a runtime
option to stop it being used. Actually removing it from the build is
more work than I care to take on.

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