Re: GPS rollover in HP Driver

2017-08-22 Thread Eric S. Raymond via devel
Eric S. Raymond via devel : > The only other possibility I can see is that the core sync algorithms simply > ignore any date that isn't plausibly within a certain delta of the system > clock date, using only its low-order bits and assuming the the ae is correct. > This should actually be a decent

Re: GPS rollover in HP Driver

2017-08-22 Thread Eric S. Raymond via devel
Hal Murray via devel : > > I've got a box sending bogus time, but the system seems to be running happily. > > I assume there is some GPS rollover fixup code someplace, but I can't find > it. Anybody know where it is? > > > There are two likely places. On is in the HP driver itself, > ntpd/r

GPS rollover in HP Driver

2017-08-22 Thread Hal Murray via devel
I've got a box sending bogus time, but the system seems to be running happily. I assume there is some GPS rollover fixup code someplace, but I can't find it. Anybody know where it is? There are two likely places. On is in the HP driver itself, ntpd/refclock_hpgps.c The other is in ntpd/ntp_