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From: | Florian Petry |
Subject: | [gpsd-users] gpsd to gpsd connection not working reliably |
Date: | Fri, 01 Aug 2014 13:16:30 -0000 |
Hello, for testing purposes inside a laboratory I want to connect several testing machines to one “GPS server” that has a USB GPS receiver connected. I wanted to use the possibility of setting gpsd://<IP-ADDRESS>:<PORT> as an input device. But this does not reliably work. Here is my setup: “GPS server”: sudo /usr/sbin/gpsd -b -S 3333 -D2 -N -G -F /var/run/gpsd.sock -P /var/run/gpsd.pid /dev/ttyUSB0 “Client” gpsd: sudo /usr/sbin/gpsd -G -N -D9 -F /var/run/gpsd.sock -P /var/run/gpsd.pid gpsd://172.19.1.201:3333 I see the the detached message in the server when closing the gpsd on the client. And sometimes I even get data when using gpsmon to verify. Gpsmon called with the IP and Port of the “gps server” always works on the client.
How can I reliably connect two instances of gpsd? Is this setup multiclient capable? Here are the outputs with –D9 when starting both gpsds: “GPS server”: sudo /usr/sbin/gpsd -b -S 3333 -D5 -N -G -F /var/run/gpsd.sock -P /var/run/gpsd.pid /dev/ttyUSB0 gpsd:PROG: control socket opened at /var/run/gpsd.sock gpsd:INFO: launching (Version 3.4) gpsd:IO: opening IPv4 socket gpsd:IO: opening IPv6 socket gpsd:INFO: listening on port 3333 gpsd:PROG: NTPD shmat(0,0,0) succeeded, segment 0 gpsd:PROG: NTPD shmat(32769,0,0) succeeded, segment 1 gpsd:PROG: NTPD shmat(65538,0,0) succeeded, segment 2 gpsd:PROG: NTPD shmat(98307,0,0) succeeded, segment 3 gpsd:PROG: successfully connected to the DBUS system bus gpsd:INFO: NTPD ntpd_link_activate: 1 gpsd:INFO: stashing device /dev/ttyUSB0 at slot 0 gpsd:PROG: changing to group 20 gpsd:INFO: running with effective group ID 20 gpsd:INFO: running with effective user ID 65534 gpsd:INFO: startup at 2014-08-01T12:18:49.000Z (1406895529) “Client” gpsd: sudo /usr/sbin/gpsd -G -N -D5 -F /var/run/gpsd.sock -P /var/run/gpsd.pid gpsd://172.19.1.201:3333 gpsd:PROG: control socket opened at /var/run/gpsd.sock gpsd:INFO: launching (Version 3.9) gpsd:IO: opening IPv4 socket gpsd:IO: opening IPv6 socket gpsd:INFO: listening on port gpsd gpsd:PROG: NTPD shmat(0,0,0) succeeded, segment 0 gpsd:PROG: NTPD shmat(32769,0,0) succeeded, segment 1 gpsd:PROG: NTPD shmat(65538,0,0) succeeded, segment 2 gpsd:PROG: NTPD shmat(98307,0,0) succeeded, segment 3 gpsd:PROG: successfully connected to the DBUS system bus gpsd:PROG: shmat() succeeded, segment 131076 gpsd:PROG: shared-segment creation succeeded, gpsd:INFO: NTPD ntpd_link_activate: 1 gpsd:INFO: stashing device gpsd://172.19.1.201:3333 at slot 0 gpsd:INFO: running with effective group ID 20 gpsd:INFO: running with effective user ID 65534 gpsd:INFO: startup at 2014-08-01T12:18:41.000Z (1406895521) — ingenieur wissenschaften htw saar Hochschule für Technik und Wirtschaft des Saarlandes
University of Applied Sciences Fakultät für Ingenieurwissenschaften School of Engineering Florian Petry, M.Sc. Forschungsgruppe Verkehrstelematik (FGVT) Campus IT-Park Altenkesseler Strasse 17/D2 66115 Saarbruecken Germany +49 681 5867-648 address@hidden http://www.htwsaar.de |
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