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Re: [gpsd-users] SHM number changing on reconnect

From: Gary E. Miller
Subject: Re: [gpsd-users] SHM number changing on reconnect
Date: Wed, 12 Sep 2018 13:50:26 -0700

Yo Zach!

On Wed, 12 Sep 2018 16:22:20 -0400
Zach LaCelle <address@hidden> wrote:

> Apologies, I forgot to include environment info. I'm in Ubuntu 16.04,
> kernel 4.15.0-34-generic, with gpsd from the PPAs (3.15-2build1 is the
> version listed).

Known broken.  

And we are still waiting for:

1. the command line arguments to your gpsd.

2. are you using systemd?

> It looks like this happens in the following case:
> * Boot with GPS receiver attached via USB
> * Remove GPS receiver
> * Re-attach GPS receiver
> Result: SHM2 is the new place gpsd published

As previously described, but short the extra details previously requested.

> Note that when I booted without it plugged in, the problem does not
> occur: SHM0 remains the one used by gpsd.

That sounds like a systemd bug.  hard to tell without knowing your
gpsd command line.

> I will try restarting gpsd on re-plug of device to see what happens;
> unfortunately it's raining here now so no dice today.

GPS works fine in the rain.  GPS works well enough indoors for this

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  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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