On Saturday 27 October 2007, Dennis Hilberg, Jr. wrote: > Chuck wrote: > > i cant use that driver. it requires kernel pps patch which i do not have > > installed. in my initial searches they appeared to have stopped supporting > > the patch. however, just as i was writing this, i looked at one more > > reference which gave me a link to a site that has current patches so i am > > going to be a bit busy setting up a pps kernel which i understand is the best > > way to go. > > No it doesn't, that's the beauty of it. It runs as a daemon in the > background, supplying the PPS signal from the GPS. I use it because I do > not want to patch the kernel with LinuxPPS. Like you said though, patching > the kernel would probably be the best way. >
i downloaded a vanilla 2.6.20 kernel and the proper patch from the place i found them all the way to 2.6.23. patch failed at one line in a header so after reviewing it i added the line manually. compile was clean but kernel pps did not work. i went back to my other kernel and am using gpsd on it and just letting it settle in and forgetting it. ntptime reports estimated error of 5us . although in different states i am attempting to compare linux based gps time with freebsd based gps time using the same model gps head and so far to be honest, freebsd is a bit more accurate, but suddenly i am wondering why am i doing all this work to split nanoseconds when time across the net no matter what will never resolve even to microseconds. i'm thinking at this point that if i have that kind of reporting of even 100us estimated error, that's not bad. i'm going to let this settle out and just watch the pool offset stats and see how it fares.. ill just have to guess a bit on the freebsd machine since to place it in the pool just to use the offset graphs as a test then remove it since this is a 'test bed' machine would not be a good thing to do. > -- > Dennis Hilberg, Jr. [EMAIL PROTECTED] > NTP Server Information: http://saturn.dennishilberg.com/ntp.php > _______________________________________________ > timekeepers mailing list > [email protected] > https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers > -- Chuck "...and the hordes of M$*ft users descended upon me in their anger, and asked 'Why do you not get the viruses or the BlueScreensOfDeath or insecure system troubles and slowness or pay through the nose for an OS as *we* do?!!', and I answered...'I use Linux'. " The Book of John, chapter 1, page 1, and end of book _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
