Re: [gpsd-users] 1PPS not working with RPi 3 B+ and Stretch

[Gary E. Miller]

Yo Chris!

On Sat, 21 Jul 2018 10:19:45 -0400
Chris Smith <address@hidden> wrote:

> I think the best way to see SHM usage is "ipcs"...

I disagree, but in you case it shows serious problems on your end.

> from a fresh boot, and before starting gpsd 3.18~dev
> 
> address@hidden:~/gpsd $ sudo ipcs -m
> 
> ------ Shared Memory Segments --------
> key        shmid      owner      perms      bytes      nattch
> status 0x00000000 163840     pi         600        524288
> 2          dest 0x00000000 196609     pi         600
> 393216     2          dest 0x00000000 262146     pi
> 600        524288     2          dest

The email corrupted it, but notice the owner is 'pi' when it should be root!
And nattach is 2.  Which should only happen when gpsd AND ntpd are both
running.  That does not match your description at all.

> after starting gpsd 3.18~dev

And nothing changed!  Which means what happend is not what you think.

> and after stopping gpsd 3.18~dev

And nothing changed!  Which means what happend is not what you think.

Clearly this has gotten way from you.  I suggest you start over with a
fresh SD card.

RGDS
GARY
---------------------------------------------------------------------------
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

pgpZuBfg4I5PM.pgp
Description: OpenPGP digital signature