Re: [ntp:questions] manual change on clock time seems to inhibit ntp service.

2013-08-24 Thread David Woolley
On 23/08/13 14:27, Martin Burnicki wrote: Windows machine, and watch how the reported offset (which is in milliseconds) decreases until it reaches and then stays at some minimum. There should be no minimum. It should end up varying randomly around zero.

Re: [ntp:questions] Raspberry Pi error in PPM offset

2013-08-24 Thread james . peroulas
On Friday, August 23, 2013 10:55:06 AM UTC-5, David Woolley wrote: Unless ntpd is failing to converge to an average offset of zero It's converging to an average time offset of zero, but an average frequency offset of +2.5PPM. (accounting for signs), the question is of marginal academic

Re: [ntp:questions] Raspberry Pi error in PPM offset

2013-08-24 Thread james . peroulas
On Friday, August 23, 2013 12:09:03 PM UTC-5, unruh wrote: Your measurement procedure is HIGHLY suspect. Ok, perhaps. Could you suggest a better measurement procedure? BR, James ___ questions mailing list questions@lists.ntp.org

Re: [ntp:questions] Raspberry Pi error in PPM offset

2013-08-24 Thread Brian Utterback
On 8/24/2013 9:46 AM, james.perou...@gmail.com wrote: So, are you saying that the PPM value returned by NTP is to be ignored, is purely for information purposes, and is not to be interpreted as having any real-world meaning? istinfo/questions Yes and no. The value displayed is the adjustment

Re: [ntp:questions] Raspberry Pi error in PPM offset

2013-08-24 Thread David Woolley
On 24/08/13 14:46, james.perou...@gmail.com wrote: So, are you saying that the PPM value returned by NTP is to be ignored, is purely for information purposes, and is not to be interpreted as having any real-world meaning? It can be ignored, as long as it is fairly stable and not too close

Re: [ntp:questions] Raspberry Pi error in PPM offset

2013-08-24 Thread unruh
On 2013-08-24, james.perou...@gmail.com james.perou...@gmail.com wrote: On Friday, August 23, 2013 10:55:06 AM UTC-5, David Woolley wrote: Unless ntpd is failing to converge to an average offset of zero It's converging to an average time offset of zero, but an average frequency offset of

Re: [ntp:questions] Raspberry Pi error in PPM offset

2013-08-24 Thread unruh
On 2013-08-24, james.perou...@gmail.com james.perou...@gmail.com wrote: On Friday, August 23, 2013 12:09:03 PM UTC-5, unruh wrote: Your measurement procedure is HIGHLY suspect. Ok, perhaps. Could you suggest a better measurement procedure? You have not told us what yours was.

Re: [ntp:questions] Start of new GPS 1024 week epoch

2013-08-24 Thread David Taylor
On 23/08/2013 15:08, Martin Burnicki wrote: [] Indeed. I've just enabled the SHM refclock in the config.h file for Windows, tried to build it with VS2008, and found that it builds after I had fixed a tiny bug, a missing semicolon. However, I have also no idea if it works. David, if you want to

Re: [ntp:questions] refid question

2013-08-24 Thread mike cook
I think it means FYLWHEEL. ie the device has lost its GPS signal. Bad antenna?, Rollover hit??? Le 23 août 2013 à 17:48, Michael Dolan a écrit : 172.17.172.74 ___ questions mailing list questions@lists.ntp.org

[ntp:questions] Fwd: refid question

2013-08-24 Thread mike cook
I should maybe add a little. The reason you are seeing an unstable offset will be that as the server has lost access to its GPS receiver, it is now serving time using just its now unlocked oscillator, which, if you can see the offset changing, is certainly quartz. If it was rb, it would be a

Re: [ntp:questions] refid question

2013-08-24 Thread Rob
Michael Dolan dolanm...@gmail.com wrote: Long time reader first time writer… I've exhausted my search for refid .FLY. and its meaning. Our stratum 2 client reported Stratum 1 172.17.172.74 appliance (Symmetricon S200) initialized with .GPS. but after ~ 24 hours the refid switched to .FLY.

Re: [ntp:questions] refid question

2013-08-24 Thread Steve Kostecke
On 2013-08-23, Michael Dolan dolanm...@gmail.com wrote: I've exhausted my search for refid .FLY. and its meaning. Our stratum 2 client reported Stratum 1 172.17.172.74 appliance (Symmetricon S200) initialized with .GPS. but after ~ 24 hours the refid switched to .FLY. and the offset has been

Re: [ntp:questions] manual change on clock time seems to inhibit ntp service.

2013-08-24 Thread Martin Burnicki
David Woolley wrote: On 23/08/13 14:27, Martin Burnicki wrote: Windows machine, and watch how the reported offset (which is in milliseconds) decreases until it reaches and then stays at some minimum. There should be no minimum. It should end up varying randomly around zero. Agreed. But

Re: [ntp:questions] Start of new GPS 1024 week epoch

2013-08-24 Thread Martin Burnicki
David Taylor wrote: On 23/08/2013 15:08, Martin Burnicki wrote: [] Indeed. I've just enabled the SHM refclock in the config.h file for Windows, tried to build it with VS2008, and found that it builds after I had fixed a tiny bug, a missing semicolon. However, I have also no idea if it works.