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| author | Chris Kuethe <chris.kuethe@gmail.com> | 2006-12-01 17:08:39 +0000 |
|---|---|---|
| committer | Chris Kuethe <chris.kuethe@gmail.com> | 2006-12-01 17:08:39 +0000 |
| commit | 9b8dbff5b9c93ba1c5074643d2ceb94d06ecf364 (patch) | |
| tree | 95fff23394494a16ca83a30c99d7a2d5a9aa79dd /gpsd.xml | |
| parent | 7743902bfb39a94d70e869af042f4f2c168134bd (diff) | |
| download | gpsd-9b8dbff5b9c93ba1c5074643d2ceb94d06ecf364.tar.gz | |
Explain that setting up timestamping for ntpd on OpenBSD needs root.
No one ever reads the manpage or log messages *sigh*, but it is now
documented that gpsd needs root for a few moments if it is to assist
ntpd.
Diffstat (limited to 'gpsd.xml')
| -rw-r--r-- | gpsd.xml | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -766,7 +766,10 @@ this pulse by running at -D 5 and watching for carrier-detect state change messages in the logfile. On OpenBSD <application>gpsd</application> makes use of the nmea(4) line discipline and the tty(4) timestamping facilities to export PPS time via the sensors framework. OpenBSD's ntpd -uses these sensors to adjust the hardware clock and frequency.</para> +uses these sensors to adjust the hardware clock and frequency. To make +use of this feature, <application>gpsd</application> must be started +as root so it can activate the timestamping and line discipline; after +attempting to set up PPS, it will relinquish root privileges.</para> <para>When <application>gpsd</application> receives a sentence with a timestamp, it packages the received timestamp with current local time |