Re: [ntp:questions] why does asterisk still show after the ntp server is shutdown?

2012-11-17 Thread Uwe Klein
Rob wrote: It is not like most people really need that accuracy, but they get specifications that are written up by people who do not understand how hard it is to achieve them on standard computer and network hardware. IMHO those requirements tend to be from people that have a shallow

Re: [ntp:questions] why does asterisk still show after the ntp server is shutdown?

2012-11-17 Thread Charles Elliott
It is also challenging, and people, especially engineers like, and often respond to, challenges. There are alternatives to NTPD, although some are more complex; maybe management knows what they are doing. I would ask one of them if they have any suggestions as to how their accuracy requirements

Re: [ntp:questions] why does asterisk still show after the ntp server is shutdown?

2012-11-17 Thread unruh
On 2012-11-17, Brian Utterback brian.utterb...@oracle.com wrote: On 11/16/2012 6:03 PM, Rob wrote: Harlan Stenn st...@ntp.org wrote: I don't understand the problem. It doesn't matter why the destination machine is unreachable, or when it becomes unreachable. Time from that source is valid

[ntp:questions] Updating NTP on FreeBSD 8.x

2012-11-17 Thread David Taylor
Pardon my ignorance, but with FreeBSD if I run: # portmaster -a # portmaster net/ntp-devel I appear to get 4.2.7p304, which is not the latest version. Is there something extra I should be doing to get the latest version, or am I reliant on whoever updates the FreeBSD stuff? I think

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

2012-11-17 Thread David Taylor
I'm seeing behaviour on rebooting a Raspberry Pi Linux system which is stopping the PPS signal getting through to NTP. It seems that the GPS device does not emit any pulses on the PPS line for some time after it has been powered up. This I understand and it's the time taken for a good enough

Re: [ntp:questions] Updating NTP on FreeBSD 8.x

2012-11-17 Thread Thomas Laus
On 2012-11-17, David Taylor david-tay...@blueyonder.co.uk.invalid wrote: Pardon my ignorance, but with FreeBSD if I run: # portmaster -a # portmaster net/ntp-devel I appear to get 4.2.7p304, which is not the latest version. Is there something extra I should be doing to get the

Re: [ntp:questions] Updating NTP on FreeBSD 8.x

2012-11-17 Thread David Taylor
On 18/11/2012 00:27, Thomas Laus wrote: On 2012-11-17, David Taylor david-tay...@blueyonder.co.uk.invalid wrote: Pardon my ignorance, but with FreeBSD if I run: # portmaster -a # portmaster net/ntp-devel I appear to get 4.2.7p304, which is not the latest version. Is there something

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

2012-11-17 Thread David Taylor
On 17/11/2012 21:57, Uwe Klein wrote: David Taylor wrote: I'm seeing behaviour on rebooting a Raspberry Pi Linux system which is stopping the PPS signal getting through to NTP. It seems that the GPS device does not emit any pulses on the PPS line for some time after it has been powered up.