Re: [gpsd-dev] Bug: Devices don't always respond if added while WATCH active...

[Ed W]

Hmm, best guess is that the pps thread is gagging on something:

First time I add (should lock to 9600 nmea):

gpsd:IO: <= control(11):
+/dev/ttyUSB0\x0d\x0aON","release":"3.2","rev":"2011-10-27T18:32:04.23","proto_major":3,"proto_minor":6}\x0d\x0a
gpsd:INFO: <= control(11): adding /dev/ttyUSB0
gpsd:INFO: NTPD ntpd_link_activate: 1
gpsd:INFO: stashing device /dev/ttyUSB0 at slot 1
gpsd:PROG: no /etc/gpsd/device-hook present, skipped running ACTIVATE hook
gpsd:INFO: opening GPS data source type 3 at '/dev/ttyUSB0'
gpsd:PROG: PPS Create Thread gpsd_ppsmonitor
gpsd:PROG: PPS chrony socket /tmp/chrony.ttyUSB0.sock doesn't exist
gpsd:INFO: speed 115200, 8N1
gpsd:PROG: Probing "Garmin USB binary" driver...
gpsd:INFO: attempting USB device enumeration.
gpsd:INFO: 1d6b:0002 (bus 1, device 1)
gpsd:INFO: 1d6b:0001 (bus 2, device 1)
gpsd:INFO: 05e3:0608 (bus 1, device 2)
gpsd:INFO: 067b:2303 (bus 2, device 4)
gpsd:INFO: 12d1:1001 (bus 1, device 12)
gpsd:INFO: 10c4:ea60 (bus 1, device 13)
gpsd:SHOUT: vendor/product match with 091e:0003 not found
gpsd:PROG: Probe not found "Garmin USB binary" driver...
gpsd:PROG: Probing "GeoStar binary" driver...
gpsd:IO: Sent GeoStar packet id 0xc1
gpsd:IO: => GPS: 5053474700c100010000000050924746
gpsd:INFO: PPS cycle: -184590895, duration: -184590895 @ 1319740186.254801
gpsd:INFO: PPS cycle: -184589931, duration:     964 @ 1319740186.255765
gpsd:INFO: PPS cycle:    1913, duration:     949 @ 1319740186.256714
gpsd:INFO: PPS cycle:    1946, duration:     997 @ 1319740186.257711
gpsd:PROG: Probe not found "GeoStar binary" driver...
gpsd:PROG: Probing "Trimble TSIP" driver...
gpsd:INFO: speed 9600, 8O1
gpsd:INFO: PPS cycle: 1213987, duration: 1212990 @ 1319740187.470701
gpsd:INFO: PPS cycle: 1213976, duration:     986 @ 1319740187.471687
gpsd:INFO: PPS cycle:    1997, duration:    1011 @ 1319740187.472698
gpsd:INFO: PPS cycle:    1998, duration:     987 @ 1319740187.473685
gpsd:INFO: PPS cycle:    1999, duration:    1012 @ 1319740187.474697
gpsd:INFO: PPS cycle:    2000, duration:     988 @ 1319740187.475685
gpsd:INFO: PPS cycle:  810981, duration:  809993 @ 1319740188.285678
gpsd:INFO: PPS cycle:  810984, duration:     991 @ 1319740188.286669
gpsd:INFO: PPS cycle:    1989, duration:     998 @ 1319740188.287667
gpsd:INFO: PPS cycle:    1998, duration:    1000 @ 1319740188.288667
gpsd:INFO: PPS cycle:    1999, duration:     999 @ 1319740188.289666
gpsd:INFO: PPS cycle:    2277, duration:    1278 @ 1319740188.290944
gpsd:INFO: speed 115200, 8N1
gpsd:PROG: Probe not found "Trimble TSIP" driver...
gpsd:PROG: no probe matched...
gpsd:INFO: gpsd_activate(): activated GPS (fd 12)
gpsd:INFO: device /dev/ttyUSB0 activated
gpsd:INFO: PPS cycle: 1010992, duration: 1009714 @ 1319740189.300658
gpsd:INFO: PPS cycle: 1010712, duration:     998 @ 1319740189.301656
... repeats...


I then run remove and add again:

...
gpsd:INFO: PPS cycle:    2019, duration:     963 @ 1319740321.266016
gpsd:INFO: PPS cycle:    2003, duration:    1040 @ 1319740321.267056
gpsd:INFO: control socket connect on fd 11
gpsd:IO: <= control(11):
-/dev/ttyUSB0\x0d\x0aON","release":"3.2","rev":"2011-10-27T18:32:04.23","proto_major":3,"proto_minor":6}\x0d\x0a
gpsd:INFO: <= control(11): removing /dev/ttyUSB0
gpsd:INFO: closing GPS=/dev/ttyUSB0 (12)
gpsd:PROG: no /etc/gpsd/device-hook present, skipped running DEACTIVATE hook
gpsd:PROG: PPS gpsd_ppsmonitor exited???
gpsd:INFO: control socket connect on fd 11
gpsd:IO: <= control(11):
+/dev/ttyUSB0\x0d\x0aON","release":"3.2","rev":"2011-10-27T18:32:04.23","proto_major":3,"proto_minor":6}\x0d\x0a
gpsd:INFO: <= control(11): adding /dev/ttyUSB0
gpsd:INFO: NTPD ntpd_link_activate: 1
gpsd:INFO: stashing device /dev/ttyUSB0 at slot 1
gpsd:PROG: no /etc/gpsd/device-hook present, skipped running ACTIVATE hook
gpsd:INFO: opening GPS data source type 3 at '/dev/ttyUSB0'
gpsd:PROG: PPS Create Thread gpsd_ppsmonitor
gpsd:PROG: PPS chrony socket /tmp/chrony.ttyUSB0.sock doesn't exist
gpsd:PROG: PPS thread awaiting device activation
gpsd:ERROR: device open failed: Device or resource busy - retrying read-only
gpsd:ERROR: read-only device open failed: Device or resource busy
gpsd:INFO: reconnection attempt on device 1
gpsd:PROG: no /etc/gpsd/device-hook present, skipped running ACTIVATE hook
gpsd:INFO: opening GPS data source type 3 at '/dev/ttyUSB0'
gpsd:ERROR: device open failed: Device or resource busy - retrying read-only
gpsd:ERROR: read-only device open failed: Device or resource busy
gpsd:ERROR: /dev/ttyUSB0: device activation failed.
gpsd:PROG: PPS thread awaiting device activation
gpsd:PROG: PPS thread awaiting device activation
gpsd:INFO: reconnection attempt on device 1
gpsd:PROG: no /etc/gpsd/device-hook present, skipped running ACTIVATE hook
gpsd:INFO: opening GPS data source type 3 at '/dev/ttyUSB0'
gpsd:ERROR: device open failed: Device or resource busy - retrying read-only
gpsd:ERROR: read-only device open failed: Device or resource busy
gpsd:ERROR: /dev/ttyUSB0: device activation failed.
gpsd:PROG: PPS thread awaiting device activation
gpsd:PROG: PPS thread awaiting device activation
gpsd:INFO: reconnection attempt on device 1
... repeats rapidly ....