Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: launching (Version 3.7)
Mar 12 17:28:52 gpsd[25787]: gpsd:IO: opening IPv4 socket
Mar 12 17:28:52 gpsd[25787]: gpsd:SPIN: passivesock_af() -> 4
Mar 12 17:28:52 gpsd[25787]: gpsd:IO: opening IPv6 socket
Mar 12 17:28:52 gpsd[25787]: gpsd:ERROR: can't create IPv6 socket
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: listening on port gpsd
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: NTPD shmat(0,0,0) succeeded, segment 0
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: NTPD shmat(32769,0,0) succeeded, segment 1
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: NTPD shmat(65538,0,0) succeeded, segment 2
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: NTPD shmat(98307,0,0) succeeded, segment 3
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: shmat() succeeded, segment 131076
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: shared-segment creation succeeded,
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: PPS thread launched
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: NTPD ntpd_link_activate: 1
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: stashing device /dev/ttyACM0 at slot 0
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: no etc/gpsd/device-hook present, skipped running ACTIVATE hook
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: opening GPS data source type 2 at '/dev/ttyACM0'
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: PPS Create Thread gpsd_ppsmonitor
Mar 12 17:28:52 gpsd[25787]: gpsd:PROG: PPS thread awaiting device activation
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: speed 9600, 8N1
Mar 12 17:28:52 gpsd[25787]: gpsd:SPIN: open(/dev/ttyACM0) -> 5 in gpsd_serial_open()
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: gpsd_activate(): activated GPS (fd 5)
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: device /dev/ttyACM0 activated
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: running with effective group ID 0
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: running with effective user ID 0
Mar 12 17:28:52 gpsd[25787]: gpsd:INFO: startup at 2017-03-13T00:28:52.000Z (1489364932)
tail: /var/log/messages has been replaced; following end of new file
Mar 12 17:28:52 gpsd[25787]: gpsd:DATA: packet type 1 from /dev/ttyACM0 with {ONLINE|PACKET}
Mar 12 17:28:52 gpsd[25787]: gpsd:SPIN: packet_get() fd 5 -> 207 (0)
Mar 12 17:28:52 gpsd[25787]: gpsd:RAW: /dev/ttyACM0 is known to be Generic NMEA
Mar 12 17:28:52 gpsd[25787]: gpsd:RAW: packet sniff on /dev/ttyACM0 finds type 1
Mar 12 17:28:52 gpsd[25787]: gpsd:RAW: raw packet of type 1, 55:$GPTXT,01,01,02,HW UBX-G70xx 00070000 EFFFFFFFo*1B\x0d\x0a
Mar 12 17:28:52 gpsd[25787]: gpsd:IO: <= GPS: $GPTXT,01,01,02,HW UBX-G70xx 00070000 EFFFFFFFo*1B^M
Mar 12 17:28:52 gpsd[25787]: gpsd:WARN: unknown sentence: "$GPTXT,01,01,02,HW UBX-G70xx 00070000 EFFFFFFFo*1B\x0d\x0a"
Mar 12 17:28:52 gpsd[25787]: gpsd:DATA: packet type 1 from /dev/ttyACM0 with {ONLINE|PACKET}
Mar 12 17:28:52 gpsd[25787]: gpsd:SPIN: packet_get() fd 5 -> 108 (0)
Mar 12 17:28:52 gpsd[25787]: gpsd:RAW: /dev/ttyACM0 is known to be Generic NMEA
address@hidden:~# ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
segfault.boom.n .INIT. 16 u - 1024 0 0.000 0.000 0.000
up2.com .INIT. 16 u - 512 0 0.000 0.000 0.000
66-96-98-9.ccup .INIT. 16 u - 512 0 0.000 0.000 0.000
SHM(0) .GPS. 0 l - 16 0 0.000 0.000 0.000
SHM(1) .PPS. 0 l - 16 0 0.000 0.000 0.000
address@hidden:~#
address@hidden:~# ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x4e545030 0 root 600 80 2
0x4e545031 32769 root 600 80 2
0x4e545032 65538 root 666 80 1
0x4e545033 98307 root 666 80 1
0x47505344 131076 root 666 8232 1
address@hidden:~#
ntpd does not seem to fetch the time from gpsd. Am I missing anything in here ?