Re: [ntp:questions] NTP + kernel frequency

2007-11-20 Thread Spoon
David L. Mills wrote: Hal Murray wrote: There is a lot of work going on in the Linux kernel to avoid unnecessary timer interrupts in order to save power on laptops and other systems running off batteries. Any work on the Linux kernel to avoid timer interrupts is incompatible with

Re: [ntp:questions] NTP + kernel frequency

2007-11-20 Thread Spoon
David Woolley wrote: I'm not familiar with frequency scaling, but I would suggest that if the kernel interrupt rates are not constant, ntpd also won't be entirely reliable. Dave Mills complains from time to time that the Linux kernel doesn't adjust the kernel PLL parameters correctly when

Re: [ntp:questions] Reference clock all messed up?

2007-11-20 Thread Danny Mayer
Adam Bolte wrote: Hi Danny, Add iburst to this line for faster synchronization Thanks, but being an PDC I really didn't want the clock to change too quickly. This may seem strange not already having NTP, but the network setup has recently changed which is what broke NTP in the first place.

Re: [ntp:questions] Inexpensive OEM GPS units?

2007-11-20 Thread Chris Adams
Once upon a time, David Woolley [EMAIL PROTECTED] said: Normally, finding any systematic offset would require the temporary use of a time source that was better than your normal time sources. As I think you are using USB, which is likely to have a significant impact, you would also need to

Re: [ntp:questions] Inexpensive OEM GPS units?

2007-11-20 Thread Chris Adams
Once upon a time, Steve Kostecke [EMAIL PROTECTED] said: What does ntpq -p show? $ ntpq -p remote refid st t when poll reach delay offset jitter == -fly.hiwaay.net 192.5.41.40 2 u2 64

Re: [ntp:questions] Inexpensive OEM GPS units?

2007-11-20 Thread Steve Kostecke
On 2007-11-19, Chris Adams [EMAIL PROTECTED] wrote: Once upon a time, Steve Kostecke [EMAIL PROTECTED] said: What does ntpq -p show? $ ntpq -p remote refid st t when poll reach delay offset jitter === snip

Re: [ntp:questions] Inexpensive OEM GPS units?

2007-11-20 Thread Dennis Hilberg, Jr.
Chris Adams wrote: Once upon a time, Steve Kostecke [EMAIL PROTECTED] said: What does ntpq -p show? $ ntpq -p remote refid st t when poll reach delay offset jitter == -fly.hiwaay.net

Re: [ntp:questions] Performance of NTP under Windows Vista?

2007-11-20 Thread Eric
On Wed, 14 Nov 2007 06:26:48 GMT, David J Taylor [EMAIL PROTECTED] wrote for the entire planet to see: Does anyone have any measurements of NTP running under Windows Vista? In particular, the Meinberg foehr 1520 version? Hi David - I'll let you know when my first PC is upgraded to Vista, oh

Re: [ntp:questions] Inexpensive OEM GPS units?

2007-11-20 Thread Rob van der Putten
Hi there John Ioannidis wrote: Out of curiosity: what is wrong with the Garmin GPS 18LVC that someone would like to look at an alternative? At $70, it's practically free. Where can get one in Europe? USD 68.50 is ca € 50.- Some EU webshops sell it for € 114.-, which is ca USD 156.- Or can I

Re: [ntp:questions] Performance of NTP under Windows Vista?

2007-11-20 Thread David J Taylor
Eric wrote: On Wed, 14 Nov 2007 06:26:48 GMT, David J Taylor [EMAIL PROTECTED] wrote for the entire planet to see: Does anyone have any measurements of NTP running under Windows Vista? In particular, the Meinberg foehr 1520 version? Hi David - I'll let you know when my first PC is

Re: [ntp:questions] move_fd() causing bad behavior on AIX5.3

2007-11-20 Thread Harlan Stenn
In article [EMAIL PROTECTED], [EMAIL PROTECTED] writes: brandon ntp-4.2.4p4 / AIX 5.3 This was annoying to chase down because I brandon guess it's also screwing up the fds used to log errors. The brandon symptom is that ntpd exits silently due to a bind() error, but only brandon when

Re: [ntp:questions] Performance of NTP under Windows Vista?

2007-11-20 Thread David J Taylor
Ryan Malayter wrote: On Nov 19, 12:15 pm, David J Taylor [EMAIL PROTECTED] this-bit.nor-this-bit.co.uk wrote: I don't currently understand the behaviour, as it seemed to take several days to reduce the offset by a hundred milliseconds (averaged), whilst showing a lot of intermediate noise,

Re: [ntp:questions] Performance of NTP under Windows Vista?

2007-11-20 Thread Ryan Malayter
On Nov 19, 12:15 pm, David J Taylor [EMAIL PROTECTED] this-bit.nor-this-bit.co.uk wrote: I don't currently understand the behaviour, as it seemed to take several days to reduce the offset by a hundred milliseconds (averaged), whilst showing a lot of intermediate noise, followed by sudden

[ntp:questions] move_fd() causing bad behavior on AIX5.3

2007-11-20 Thread brandon . phillips
ntp-4.2.4p4 / AIX 5.3 This was annoying to chase down because I guess it's also screwing up the fds used to log errors. The symptom is that ntpd exits silently due to a bind() error, but only when daemonized. Running under some debugging tools, such as Aprobe, changes the behavior (no failure),

Re: [ntp:questions] move_fd() causing bad behavior on AIX5.3

2007-11-20 Thread Harlan Stenn
In article [EMAIL PROTECTED], [EMAIL PROTECTED] writes: brandon Oops, 614 is what I meant. I did see that it is closed, but the brandon comments on it left me with some doubt about whether it had been brandon verified on AIX5 specifically. VERIFIED means the person who opened the issue has

[ntp:questions] Details about code structure

2007-11-20 Thread Prathapnirmal
Hi All, Which will be the best document to refer if I need to know information about the organization of code in ntp? I am looking for information like, * a convenience library is created in libopts directory which is further used to link against the final exe * a library is created in libntpd