Re: [ntp:questions] Timing issue with Linux and kernel PPS?

2012-11-20 Thread james machado
David, running RPi with GPS+PPS here. I compiled my own kernel and the one major gotcha I had was an RTFM issue. The kernel used on the RPi is not the compressed vmlinuz kernel used on PC's. I recompiled my kernel 10 times or more before I went back scouring the 'net to find out the kernel in u

[ntp:questions] PPS DLL

2012-11-20 Thread Charles Elliott
How can I access the new (thank you) PPS DLL? I run Win 7 (64-bit) and normally download Dave Hart's NTPD for Windows. MY GPS device is currently attached to the RS-232 port, but it can run thru a serial-to-USB converter, but the result is MUCH less accurate. Where should I a

Re: [ntp:questions] Timing issue with Linux and kernel PPS?

2012-11-20 Thread Miroslav Lichvar
On Mon, Nov 19, 2012 at 06:03:06PM +, David Taylor wrote: > On both systems, sudo modprobe pps_ldisc produces no output. No message is a good message :). > I have no idea which device ntpd is using, I simply have the type 22 > driver installed which, as I understood it, gets the accurate > ti

Re: [ntp:questions] Timing issue with Linux and kernel PPS?

2012-11-20 Thread Uwe Klein
David Taylor wrote: I wonder whether I should be using 127.127.22.1 rather than .0? probably. but and before: do you have the "pps-tools" package installed? This guy seems to see your problem: http://blog.retep.org/tag/raspberry-pi/ uwe ___