Re: [ntp:questions] Synchronizing contrived time

2014-03-16 Thread David Woolley
On 15/03/14 23:55, Amit Dor-Shifer wrote: William, earlier along this post, I was asking (David, specifically) for a suggested fix to this error. Can you offer a possible fix? I thought that had been answered; you are using the wrong option to specify the custom configuration file on the

Re: [ntp:questions] Synchronizing contrived time

2014-03-16 Thread Amit Dor-Shifer
David: I'm using '-c /path/to/ntp.conf'. William: Thanks. Still, with the added conf you suggest, client won't accept a sync from the server. Seems like the stratum setting I've added isn't taking effect. server amit@zelda:~$ sudo date -s $(date) - 50 minutes Sun Mar 16 18:32:14 EST 2014

Re: [ntp:questions] Synchronizing contrived time

2014-03-16 Thread Amit Dor-Shifer
When overwriting /etc/ntp.conf with the suggested configuration, server can read conf, and client manages to sync to server's (skewed) time. server amit@zelda:~$ cat /etc/ntp.conf server 127.127.1.0 minpoll 4 maxpoll 4 fudge 127.127.1.0 stratum 10 amit@zelda:~$ sudo /usr/sbin/ntpd -g -c

Re: [ntp:questions] Synchronizing contrived time

2014-03-16 Thread Rob
Amit Dor-Shifer amit.dor.shi...@gmail.com wrote: When overwriting /etc/ntp.conf with the suggested configuration, server can read conf, and client manages to sync to server's (skewed) time. server amit@zelda:~$ cat /etc/ntp.conf server 127.127.1.0 minpoll 4 maxpoll 4 fudge 127.127.1.0

Re: [ntp:questions] Not being able to sync the embedded target (client) with the host (server)

2014-03-16 Thread Laszlo Papp
On Sat, Mar 15, 2014 at 5:19 PM, William Unruh un...@invalid.ca wrote: On 2014-03-14, Laszlo Papp lp...@kde.org wrote: Nvm, I solved it by using busybox's ntp for the time being. On Fri, Mar 14, 2014 at 6:18 PM, Charles Swiger cswi...@mac.com wrote: Hi-- On Mar 14, 2014, at 9:05 AM, Laszlo

[ntp:questions] Time to fix reported driver bug.

2014-03-16 Thread Paul
I reported a bug in a driver about a month ago. Should I expect a feedback other than having it assigned to the refclock maintainers? Are times to fix on the scale of months or years? ___ questions mailing list questions@lists.ntp.org

Re: [ntp:questions] Time to fix reported driver bug.

2014-03-16 Thread David Woolley
On 15/03/14 18:36, Paul wrote: I reported a bug in a driver about a month ago. Should I expect a feedback other than having it assigned to the refclock maintainers? Are times to fix on the scale of months or years? Assuming you are talking about the reference implementation of ntpd, it is

Re: [ntp:questions] Time to fix reported driver bug.

2014-03-16 Thread Paul
On Sun, Mar 16, 2014 at 9:53 AM, David Woolley david@ex.djwhome.demon.invalid wrote: If you tell us which bug report, someone may be able to indicate whether there is a competent developer, and how important it is. 2557. In most cases (~100%) it's inconsequential. I only noticed when

Re: [ntp:questions] Indirect GPS time source options

2014-03-16 Thread Paul
On Thursday, March 13, 2014 1:52:51 PM UTC-4, Olivier Drouin wrote: Diversity is really what I'm looking for and I dont really need microsecond accuracy. I'll talk with the facility owner and do some tests with handheld GPS so I can verify what kind of signal I can get (and where). I'm not sure

Re: [ntp:questions] Synchronizing contrived time

2014-03-16 Thread William Unruh
On 2014-03-16, Amit Dor-Shifer amit.dor.shi...@gmail.com wrote: David: I'm using '-c /path/to/ntp.conf'. William: Thanks. Still, with the added conf you suggest, client won't accept a sync from the server. Seems like the stratum setting I've added isn't taking effect. Yes. You told us

Re: [ntp:questions] Time to fix reported driver bug.

2014-03-16 Thread William Unruh
On 2014-03-15, Paul tik-...@bodosom.net wrote: I reported a bug in a driver about a month ago. Should I expect a feedback other than having it assigned to the refclock maintainers? Are times to fix on the scale of months or years? Perhaps if you also reminded us all of what the bug was, it

Re: [ntp:questions] Time to fix reported driver bug.

2014-03-16 Thread William Unruh
On 2014-03-16, Paul tik-...@bodosom.net wrote: On Sun, Mar 16, 2014 at 9:53 AM, David Woolley david@ex.djwhome.demon.invalid wrote: If you tell us which bug report, someone may be able to indicate whether there is a competent developer, and how important it is. 2557. In most cases

Re: [ntp:questions] Not being able to sync the embedded target (client) with the host (server)

2014-03-16 Thread William Unruh
On 2014-03-15, Laszlo Papp lp...@kde.org wrote: On Sat, Mar 15, 2014 at 5:19 PM, William Unruh un...@invalid.ca wrote: On 2014-03-14, Laszlo Papp lp...@kde.org wrote: Nvm, I solved it by using busybox's ntp for the time being. On Fri, Mar 14, 2014 at 6:18 PM, Charles Swiger cswi...@mac.com

Re: [ntp:questions] Time to fix reported driver bug.

2014-03-16 Thread Paul
On Sun, Mar 16, 2014 at 2:22 PM, William Unruh un...@invalid.ca wrote: I only noticed when adding another device in the Trimble family but if there's active support I'd submit a patch for it. Why would you not submit a patch for it if you have one? I meant submit a patch for the new

[ntp:questions] Asymmetric Delay and NTP

2014-03-16 Thread Joe Gwinn
I recall seeing something from Dr. Mills saying that a formal proof had been found showing that no packet-exchange protocol (like NTP) could tell delay asymmetry from clock offset. Can anyone provide a reference to this proof? Thanks, Joe Gwinn ___

[ntp:questions] IEEE 1588 (PTP) at the nanosecond level?

2014-03-16 Thread Joe Gwinn
I keep seeing claims that Precision Time Protocol (IEEE 1588-2008) can achieve sub-microsecond to nanosecond-level synchronization over ethernet (with the right hardware to be sure). I've been reading IEEE 1588-2008, and they do talk of one nanosecond, but that's the standard, and aspirational

Re: [ntp:questions] Asymmetric Delay and NTP

2014-03-16 Thread David Woolley
On 16/03/14 22:16, Joe Gwinn wrote: I recall seeing something from Dr. Mills saying that a formal proof had been found showing that no packet-exchange protocol (like NTP) could tell delay asymmetry from clock offset. Can anyone provide a reference to this proof? I would have thought it was

Re: [ntp:questions] Time to fix reported driver bug.

2014-03-16 Thread Danny Mayer
On 3/16/2014 4:11 PM, Paul wrote: On Sun, Mar 16, 2014 at 2:22 PM, William Unruh un...@invalid.ca wrote: I only noticed when adding another device in the Trimble family but if there's active support I'd submit a patch for it. Why would you not submit a patch for it if you have one? I

Re: [ntp:questions] Asymmetric Delay and NTP

2014-03-16 Thread William Unruh
On 2014-03-16, Joe Gwinn joegw...@comcast.net wrote: In article lg5bug$682$1...@dont-email.me, David Woolley david@ex.djwhome.demon.invalid wrote: On 16/03/14 22:16, Joe Gwinn wrote: I recall seeing something from Dr. Mills saying that a formal proof had been found showing that no