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Re: [gpsd-users] gpsd:ERROR: device open failed: Permission denied - ret
From: |
Gary E. Miller |
Subject: |
Re: [gpsd-users] gpsd:ERROR: device open failed: Permission denied - retrying read-only |
Date: |
Wed, 7 Feb 2018 11:03:02 -0800 |
Yo Charles!
On Tue, 6 Feb 2018 21:56:25 +0100
"Charles Muggen" <address@hidden> wrote:
> I have a GPS HAT from Adafruit connected to the Raspberry Pi running
> Raspbian Jessie. The plan is to get an accurate clock from the GPS
> and 1 PPS combination and operate with no internet connection.
Iused to have that HAT. Mine stopped working last month.
> I have gpsd and chrony installed.
> ntpd is disabled.
Try NTPsec.
> Feb 5 23:20:47 raspberrypi gpsd[474]: gpsd:ERROR: device open
> failed: Permission denied - retrying read-only Feb 5 23:20:47
You are running gpsd as root? What is the command line you are
using to start gpsd? What are the perms on your /dev/ttyAMA0?
> if I stop and disable the gpsd socket as per Adafruit instructions,
> somehow it recovers and tries to connect to chrony, but on the second
> start up it's connecting to PPS1, not PPS0. the Adafruit manual says
> to do the following:
Why are you using a socket at all?? Don't do that!
> sudo systemctl stop gpsd.socket
> sudo systemctl disable gpsd.socket
Gack, sudo AND systemctl? Don't do that!
> the contents of /etc/default/gpsd are as follows:
That file is NOT part of gpsd project. You'd have to ask your
distro about that.
> # Other options you want to pass to gpsd
> GPSD_OPTIONS="-n /dev/ttyAMA0 /dev/pps0"
Suing a socket AND puytting the device in the gpsd options? Don't do
that!
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
address@hidden Tel:+1 541 382 8588
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