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Re: gpsd + ubx

From: Gary E. Miller
Subject: Re: gpsd + ubx
Date: Tue, 2 Jun 2020 11:05:19 -0700

Yo Florian!

On Tue, 2 Jun 2020 10:30:45 +0200
Florian Kiera <> wrote:

> This mail was supposed to be send on the 28th of May, somehow it was
> not send properly. Maybe due to the size of the attachments... Hope
> decoding logs.tar.gz is fine

I assume they are the same size and working now?

Are these still from May 28?  A lot of changes since then.

> The issues I had with gpsd might be solved with the changes to
> driver_ubx.c!

What changes?  When?  Where?

Can you please repeat with git head?

> > I warned people this is new code.  
> Latest git head doesn't work for me.

"Latest" not useful after 5 days...

> Whenever I run "gpsd -n 
> /dev/ttyACM0 -N -D 5" (the USB definition is needed to make gpsd not 
> working) the gpsd starts things up and after getting a message from
> the ubx device (always the same) gpsd freezes and cannot be stopped
> except through "sudo kill -9 id".

You realize you are missing "-n"?

Ugh, someone changed the ttyACM0 code recently, I guess they forgot to test it.

commit a18044dd88b8b9d0b2cada261913ca03433af5f3
Author: Joachim Kross <>
Date:   Wed May 20 18:11:23 2020 +0200

But you tested gpsd after that?

> Log of this: gpsd_crash.txt: will run it with D 10 there, gpspipe and 
> gpsmon will be empty too         attachment

I see no crash in gpsd_crash.txt  look normal.

> Maybe one of the driver*.c that were changed causes the loop?

Loop !- crash.  Which is it?

You realize without "-n" it is normal for gosd to do nothing there?

> > Always best to submit patches as MRs.  
> Hope I did it right, never worked with github/gitlab that way. It was
> an attachment of the mail where I wrote "ubxtool.patch: contains the 
> additions I made" tho.

My long term memory is nil.  Please resubmit anything 5 day old.  Unless
I already merged something.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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