Re: [ntp:questions] Is 24PPM an Excessive Real-Time Clock Correction?

2007-07-06 Thread Martin Burnicki
he value is in the range ntpd can handle (+/- 500 ppm) everything is fine. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Slightly OT: Looking for good GPS PCI time sources

2007-07-09 Thread Martin Burnicki
FO buffer can hold up to more than 600 capture events, which can then be retrieved either via the PCI bus, or via the card's serial port. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp

Re: [ntp:questions] Meinberg - GPS170PCI - ntpdate for step sync?

2007-07-12 Thread Martin Burnicki
erry MARTIN Thierry has also sent this by private mail, and I've adviced him to run "ntpd -gq" instead. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Meinberg - GPS170PCI - ntpdate for step sync?

2007-07-12 Thread Martin Burnicki
card is fully synchronized because the time from the GPS card's RTC is good enough as a startup for ntpd. However, ntpd will wait anyway until the card is synchronized, before it accepts the card as time source. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany _

Re: [ntp:questions] Wrong time after changing hardware

2007-07-20 Thread Martin Burnicki
used to implement the system clock. In this case the NTP daemon has no chance to discipline the clock properly. May be you should use a newer distribution or at least kernel. The OpenSUSE Live DVD might be helpful for a quick test. Regards, Martin --

Re: [ntp:questions] Wrong time after changing hardware

2007-07-26 Thread Martin Burnicki
Hi Ulrich, Ulrich Windl wrote: > Martin Burnicki <[EMAIL PROTECTED]> writes: > > [...] >> This does not seem to be a NTP problem (you are running ntp-4.2.0a though >> SuSE calls the packet xntp-...). > > Just FYI: After a few years of complaint, the package

Re: [ntp:questions] NTP architecture recommendation

2007-08-17 Thread Martin Burnicki
hey both sync to GPS, but one of them also polls the other one, so you can see how good or bad the accuracy across the WAN link actually is. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] NTP Third party client on Windows OS ?

2007-09-18 Thread Martin Burnicki
s the NTP program provided a much better accuracy than w32time. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] packet: pad header 020 / Leap not in sync

2007-09-18 Thread Martin Burnicki
L PROTECTED] root]# ntpq -c ntpversion -version 192.168.0.1 > NTP version being claimed is 2 AFAIK the above is just the version of the protocol ntpq uses when sending queries to the server, see the documentation for ntpq. > ntpq [EMAIL PROTECTED] Tue Feb 24 06:32:31 EST 2004 (1) Overall I'd say you should find out why your server does not claim to be synchronized. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] NTP Third party client on Windows OS ?

2007-09-20 Thread Martin Burnicki
e only seem to configure the PDC as their upstream time server automatically if w32time is running on the PDC. I don't know the way this is determined by the client. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Newbie at NTP

2007-09-21 Thread Martin Burnicki
ronize to the Linux box. Domain members should then automatically sync to the PDC. Other machines (e.g. Linux clients) on which you have to configure the upstream time server manually should be configured to synchronize to the Linux box directly. Martin -- Martin Burnicki Meinber

Re: [ntp:questions] Reading the RTC

2007-09-26 Thread Martin Burnicki
he manufacturer of the BIOS), or by some low level driver which may be involved in setting the RTC. You may try to keep an eye on when the RTC's second really changes. If it is really off by 0.5 seconds after you have set it correctly this should be clearly visible. Martin -- Martin Burnicki

Re: [ntp:questions] Problem with xntp after reinstall on openSUSE 10.3

2007-10-16 Thread Martin Burnicki
se a dedicated server like one of the PTB servers in order to yield more comparable results. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Problem with xntp after reinstall on openSUSE 10.3

2007-10-16 Thread Martin Burnicki
Marc Muehlfeld wrote: > Martin Burnicki schrieb: >> This seems to indicate that the new kernel implements the system clock >> based on a different timer API than the old kernel. That new timer API >> may not support the particular chipset on your mainboard correctly. > >

Re: [ntp:questions] Problem with xntp after reinstall on openSUSE 10.3

2007-10-16 Thread Martin Burnicki
Marc Muehlfeld wrote: > Martin Burnicki schrieb: >> As a test, you might stop ntpd, then set the system time manually running > > # date -u; ntpdate ptbtime1.ptb.de > Di 16. Okt 09:08:09 UTC 2007 > 16 Oct 11:08:13 ntpdate[2586]: step time server 192.53.103.108

Re: [ntp:questions] Server and Client can't sync

2007-10-31 Thread Martin Burnicki
ou have explicitly disabled the feature, either for the first > setting, or unconditionally, the real ntpd should abort rather than > stepping more than 1000 seconds. ... unless the -g option has been given on ntpd's command line, which allowed a large initial offset. Martin -- Marti

Re: [ntp:questions] Server and Client can't sync

2007-11-01 Thread Martin Burnicki
David, Martin Burnicki wrote: > David Woolley wrote: > >> In article <[EMAIL PROTECTED]>, >> Aggie <[EMAIL PROTECTED]> wrote: >> >>> But the weird thing is: NTPD will adjust the time on the client half >>> way between the server and 1970 Jan

Re: [ntp:questions] false cru .libs/libopts.a libopts_la-libopts.o

2007-11-01 Thread Martin Burnicki
my opinion the build environment on the target machine may not be set up properly. See also: http://www.google.com/search?q=solaris+%22convenience+libraries%22+%22false+cru%22 Regards, Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany __

Re: [ntp:questions] what about clockspeed and NTP ?

2007-11-06 Thread Martin Burnicki
from a reference time source in regular intervals, so it can determine the clock drift by itself and compensate it. The advantage is that you don't have to measure the drift manually, and ntpd compensates the drift even if the drift value changes, e.g. due to temperature changes. Regards, Martin

Re: [ntp:questions] false cru .libs/libopts.a libopts_la-libopts.o

2007-11-07 Thread Martin Burnicki
. See also: >> http://www.google.com/search?q=solaris+%22convenience+libraries%22+%22false+cru%22 >> > tnx for all. > the problem is resolved. the $PATH didn't include the /usr/ccs/bin, so > the configure script couldn't find the ar. Thanks for letting us know what

Re: [ntp:questions] Time server monitor by Meinberg - Vista

2007-11-26 Thread Martin Burnicki
n to work on Vista. My colleague who maintains the time server monitor will have to check this. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Can anyone interpret these loopstats?

2007-11-27 Thread Martin Burnicki
in the GUI setup during installation, or simply by editing the ntpd's ImagePath registry key. So it can easily be disabled to see whether the behaviour changes. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] drift file set to -500

2007-11-29 Thread Martin Burnicki
y a "synchronization lost" message because ntpd resets its internal filters. Having a look at the loopstats, and how the offset develops, might give us more clues ... Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Wireless Routers and NTP

2007-11-29 Thread Martin Burnicki
and see how ntpd synchronizes. Then disconnect the cable and connect via WLAN. The router should let your laptop access the LANTIME either ways, so you can try both and compare how the offset and jitter figures reported by "ntpq -p" (or in the loopstats) develop over time. I'd appr

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-03 Thread Martin Burnicki
should not be required to specify a certain CPU to run on, as proposed by Ryan. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-03 Thread Martin Burnicki
e other thing that needs to be considered. This is a 64-bit > system> In that case it's possible that the code may need to be changed > to deal with it properly. For example using the VS 2005 compiler I have > found that it uses a 64-bit integer instead of 32-bit integer for >

Re: [ntp:questions] Any samples for NTP/SNTP client code?

2007-12-03 Thread Martin Burnicki
any good code you can copy. > > I'd start at: > http://support.ntp.org/bin/view/Main/SoftwareDownloads > and look in the sntp directory. AFAIK the code in the SNTP subdirectory has not yet been ported to Windows ... Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyr

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-03 Thread Martin Burnicki
the Meinberg >> distribution. I don't think it would make much sense (or would be even possible) to run a program compiled for a 64 bit target OS on a 32 bit OS, just because the hardware is 64 bit. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-03 Thread Martin Burnicki
David, David J Taylor wrote: > Martin Burnicki wrote: >> While on legacy multiprocessor systems the CPU clocks (and thus the >> TSC) may differ for each CPU, I'm _assuming_ that multicore CPUs are >> clocked by the same source, so the TSCs should runs synchrounousl

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-04 Thread Martin Burnicki
David, David J Taylor wrote: > Martin Burnicki wrote: > [] >> I've just set up a new test under Vista, so let's see. >> >> What I can say right now is that the default tick adjustment value is >> 156001 instead of 156250 which it used to be on earlier Wind

Re: [ntp:questions] Trace ntp sanity checks?

2007-12-05 Thread Martin Burnicki
-p and ntpq -c "rv ..." commands here then we may be able to help. And, the versions of NTP on the server and on the clients might be interesting ... Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-05 Thread Martin Burnicki
Hi Ulrich, Ulrich Windl wrote: > Martin Burnicki <[EMAIL PROTECTED]> writes: > > [...] >> The test machine is a Intel Pentium D 3 GHz (dual core) with Windows >> Vista x64. Data of the time synchronization performance was collected by >> the time adjustment serv

Re: [ntp:questions] Using mode byte for Accord GPS Clock (venu gopal)

2007-12-05 Thread Martin Burnicki
still on holidays until mid December, but I think it's worth waiting for his comments ... Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-05 Thread Martin Burnicki
gt; I do appreciate your efforts with this. Thanks. We all want NTP to discipline even the Windows system time as good as possible. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org h

Re: [ntp:questions] syncing two machines, microsecond precision?

2007-12-05 Thread Martin Burnicki
t; Below is some info to help assess my situation, please let me know if > there's more info I can provide. Can you tell us which operating systems and which versions of NTP you are running? Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany _

Re: [ntp:questions] syncing two machines, microsecond precision?

2007-12-05 Thread Martin Burnicki
Martin Burnicki wrote: > Can you tell us which operating systems and which versions of NTP you are > running? Oops, sorry. Didn't see this info at the end of your original message. Thought below "---" was just a signature. Martin -- Martin Burnicki Meinberg Funkuhre

Re: [ntp:questions] Dual-core systems - AMD - Windows Vista

2007-12-06 Thread Martin Burnicki
n different CPUs, it just tries to run always on the same CPU in order to avoid glitches due to different TSC values on different CPUs. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] NTP fails synchronization with server at startup

2007-12-06 Thread Martin Burnicki
d which could be used to trigger an interface rescan by udev or similar whenever an interface becomes available or unavailable. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Trace ntp sanity checks?

2007-12-10 Thread Martin Burnicki
ntpq -c "rv " ? I had asked the OP to post the output of the command. However, the output was truncated. Here's a quote: > ntpq> rv 8773 > assID?73 status 14 reach, 1 event, event_reach, > srcadrmaster1, srcport 3, dstadr0.0.0.0, > dstport 3, leap The rest of the o

Re: [ntp:questions] How does one download the software to synchorize computers ?

2007-12-10 Thread Martin Burnicki
de/english/sw/ntp.htm#ntp_nt_stable Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Trace ntp sanity checks?

2007-12-13 Thread Martin Burnicki
in name let's me assume you are located in Germany. Maybe you can give me a phone call tomorrow so we may have a better chance to see what's going wrong. I'll send you my phone number via private mail. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___

Re: [ntp:questions] NTP Server Setup

2007-12-14 Thread Martin Burnicki
dows domain and you want to use your own reference time source without much administrative work then you can either: 1.) install a standalone NTP server and configure the PDC to synchronize to it 2.) install NTP on a different machine, and let the w32time service on the DC and all "

Re: [ntp:questions] Dimensioning & Configuring the NTP Server

2007-12-14 Thread Martin Burnicki
the outlyer and thus ignore it. For redundancy reasons (i.e. if 1 server is temporarily unreachable) the usual advice here is to configure at least 4 NTP servers. Regards, Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions m

Re: [ntp:questions] Trace ntp sanity checks?

2007-12-18 Thread Martin Burnicki
Folks, FYI, I've had a phone call with the OP and he told me that the broadcasting server is in turn a broadcast client of a Windows machine running Tardis. We've agreed this is a poor setup and the hierarchy should be redesigned. Martin -- Martin Burnicki Meinberg Funkuhren B

Re: [ntp:questions] NTP server Dimensioning process

2007-12-21 Thread Martin Burnicki
8 MB RAM here can handle more than 15000 req/sec, i.e. 10 times as much as you need. The relevant HDD space you need for ntpd depends only on the amount of log files you want to keep, e.g. the loopstats file and its history. Martin -- Martin Burnicki Meinberg Funku

Re: [ntp:questions] Why does the "Conrad parallel port radio clock" driver has a standard offset of 0.1725s?

2008-01-02 Thread Martin Burnicki
eresting as my GPS has an offset of -0.173s! Is > that a coincidence? I'm sure it does. You might try to "fudge time1" for that particular device, if the driver supports that. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___

Re: [ntp:questions] Seeking "net time" Response without Active Directory

2008-01-03 Thread Martin Burnicki
e can respond with the time when the > punchclock requests "net time?" Any assistance would be appreciated. "net time" uses a NETBIOS call to query the time from another machine. If you are running a Linux machine then you can enable samba to reply to those requests. Marti

Re: [ntp:questions] Seeking "net time" Response without Active Directory

2008-01-03 Thread Martin Burnicki
Danny, Danny Mayer wrote: > Martin Burnicki wrote: >> Glenn, >> >> [EMAIL PROTECTED] wrote: >>> We use a pc punchclock that relies on the "net time" command. We are >>> a netware/linux shop and use an ntp time source, however, we do not >>&

Re: [ntp:questions] Seeking "net time" Response without Active Directory

2008-01-04 Thread Martin Burnicki
eir clock by an hour or so, punching out and > leaving. We do not want to offer that temptation. If you run NTP for Windows here then the times should be synchronized to a couple of milliseconds. Of course it's a good idea disable time to be changed by the normal users, as Danny has suggested. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Leap second bug?

2008-01-04 Thread Martin Burnicki
ccasions before (not with Meinberg receivers ;-). Dave, wouldn't it be a good idea to implement a log message indicating by which means a leap second announcement has been received? So this could be traced back to the originally faulty time source. Martin -- Martin Burnicki Meinberg

Re: [ntp:questions] Lep seconds

2008-01-04 Thread Martin Burnicki
Unruh wrote: [...] > You could just set up ntp to add 33 sec to its time, and you would have > atomic time. ... until the next leap second occurs. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list que

Re: [ntp:questions] Lep seconds

2008-01-04 Thread Martin Burnicki
leap second _is_ a inconsistency of time. > At this point I am obligated to use UTC and NTP. On most Unix-like kernels NTP just passes a leap second announcement to the OS kernel, and the kernel handles the leap second in the way it is implemented in the kernel. For details, please see ht

Re: [ntp:questions] Lep seconds

2008-01-07 Thread Martin Burnicki
the past that ntpd thought it had to introduce a leap second because some bad guy had passed a faulty leap second announcement. Knowing the source of the announcement would help to identify the original source of the announcement. Martin -- Ma

Re: [ntp:questions] Leap second bug?

2008-01-10 Thread Martin Burnicki
epends also on the version of ntpd ... Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] ntpdate.c unsafe buffer write

2008-02-08 Thread Martin Burnicki
tioned in bugzilla, I'll prepare a patch to fix this. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] ntpdate.c unsafe buffer write

2008-02-12 Thread Martin Burnicki
nts started up at the same time and had to step, they wouln't step at the same time, and thus wouldn't do the next iburst volley at the same time anyway. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing lis

Re: [ntp:questions] ntpdate.c unsafe buffer write

2008-02-12 Thread Martin Burnicki
or on the internet. So the settings used to make ntpd work well for the worst cases could be used if those cases apply, but the limitations could be reduced in non-worst cases. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___

Re: [ntp:questions] NTP and ADAM

2008-02-12 Thread Martin Burnicki
t? What might be possible is to configure the local NTP daemon to read the "serial" ref clock via the converter's emulated port. However, this introduces much jitter since the real communication goes across the LAN instead directly to the GPS device. Marti

Re: [ntp:questions] no ntp synchronisation: 2s to 6s time shift !

2008-02-12 Thread Martin Burnicki
urce For a test it is also possible to override the default clock source using a boot parameter, e.g.: clocksource=jiffies You may want to try if some other of the available modules does a better job in timekeeping. If the active module doesn't work correctly then the frequency drift often exc

Re: [ntp:questions] Two time sources with offset => fails to synchronize

2008-02-12 Thread Martin Burnicki
t time. For some hints how the "best" time source is determined by ntpd, see: http://www.eecis.udel.edu/~mills/ntp/html/prefer.html Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Is there a document that describes the recommandation for configuring ntp ?

2008-02-13 Thread Martin Burnicki
time sources may not be appropriate, and using at least 4 is a better choice. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] NTP and ADAM

2008-02-13 Thread Martin Burnicki
noosh wrote: > Martin Burnicki wrote: >> Neither the GPS nor the ADAM are NTP servers, so why should a client find >> it? > if i do the following > GPS---> PC(NTP) > Serial Port > > the time is synchronized by GPS. Right.

Re: [ntp:questions] no ntp synchronisation: 2s to 6s time shift !

2008-02-13 Thread Martin Burnicki
hat certain modules may not work properly on certain chipsets. This must not necessarily be due to the modules, AFAIK there are also chipsets out there where the timers don't work properly and would require specific workarounds. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont

Re: [ntp:questions] no ntp synchronisation: 2s to 6s time shift !

2008-02-15 Thread Martin Burnicki
ors, and the fact that different clocksource modules yield different results make me assume that the problems are not with the base oscillator but with the different types of counters and/or the implementations of the modudules which use thos specific counters. See also http://bugzilla.kernel.org/

Re: [ntp:questions] Leap second functional question

2008-02-19 Thread Martin Burnicki
nges to the NTP development code base which shall handle leap seconds on any OS which does not provide a kernel PLL. I'll still have to check how this code works on Windows, and whether Dave and my leap second code would now insert 2 leap seconds instead of 1 (I'm afraid this would

Re: [ntp:questions] Time sync between Win2k3 and Suse Linux

2008-02-19 Thread Martin Burnicki
lp if i got any wrong > configuration or i missed something. Formerly it has been called a bad idea to run Windows as a time server and Linux as a client. The better configuration would be the other way round. This is due to the limited resolution of the Windows system clock (16 ms as mentioned

Re: [ntp:questions] Leap second functional question

2008-02-19 Thread Martin Burnicki
plausibility check should be for the end of a month. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Leap second functional question

2008-02-19 Thread Martin Burnicki
ave as mentioned there. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Leap second functional question

2008-02-19 Thread Martin Burnicki
those at the end of March and September. Since the system was introduced in 1972, only dates in June and December have been used." Up to the recent changes in ntpd (which I have not yet reviewed in detail) ntpd would indeed have only accepted a leap second at the end of June or December, which is

Re: [ntp:questions] Leap second functional question

2008-02-19 Thread Martin Burnicki
day. Which is the "current" code? AFAIK the current ntp-stable version 4.2.4p4 still behaves like David mentiones, but the current ntp-dev version 4.2.5p113 should behave as Bill Unruh mentiones. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany __

Re: [ntp:questions] Leap second functional question

2008-02-20 Thread Martin Burnicki
ng on the application. While UTC is a better choice to use time stamps / calendar dates across leap seconds (i.e Jan 1 00:00:00 = Dec 1 00:00:00 + (31*86400) TAI is preferred if correct time _intervals_ are required, even across a leap second. Martin -- Martin Burnicki Meinberg

Re: [ntp:questions] no ntp synchronisation: 2s to 6s time shift !

2008-02-21 Thread Martin Burnicki
inberg.de/english/products/tcr167pci.htm OK, I'm biased ;-) ... Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] no ntp synchronisation: 2s to 6s time shift !

2008-02-21 Thread Martin Burnicki
27;t you? The kernel module which lets ntpd use the card as reference time source can be loaded with a parameter which overrides the real board status and always tells ntpd the card is synchronized. Just load the module with the following parameter: modprobe mbgclock pretend_sync=1 Of course this p

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-22 Thread Martin Burnicki
w32time on the domain controller. You should not let real NTP clients use w32time as time source, though. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Not-So-Newbie question

2008-02-25 Thread Martin Burnicki
in the offset and > jitter columns? What makes a "good server" in terms of ntpq -p output? > Low offset? Low jitter? Some combination? Depending on what causes the jitter and offset. If timekeeping by the kernel is poor the this may also cause high jitter and

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-25 Thread Martin Burnicki
it better than 1 microsecond accuracy. However, though some of the Windows API calls provide a resolution of 100 nanoseconds those API calls return exactly the same time stamps betwween 2 timer ticks, and then the returned time steps by the amount of the timer tick interval. Martin -- Martin Burnicki

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-25 Thread Martin Burnicki
Danny Mayer wrote: > Martin Burnicki wrote: >> Though it's normally preferable to run ntpd rather than w32time, there is >> a limitation if you run ntpd on a domain controller: >> The domain members (workstations) will stop detecting the domain >> controller aut

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-25 Thread Martin Burnicki
mentioned that w32time may sometimes be the preferred solution. I'm not familiar with W2k domain management, so I wonder whether the group policied could also be used if ntpd was running on the PDC. Please see also my reply to Danny. Martin -- Martin

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-25 Thread Martin Burnicki
Andrew, Andrew Hodgson wrote: > On Fri, 22 Feb 2008 09:31:38 +0100, Martin Burnicki > <[EMAIL PROTECTED]> wrote: >>Though it's normally preferable to run ntpd rather than w32time, there is >>a limitation if you run ntpd on a domain controller: >>The doma

Re: [ntp:questions] no ntp synchronisation: 2s to 6s time shift !

2008-02-25 Thread Martin Burnicki
ead to do the DNS lookups (except the special Windows things, which have already been implemented as threads). There are no special requirements except for blocking critical sections while some parameters are updated. This would also simplify a fix for bug #987: http://bugs.ntp.org/987 Martin -- Ma

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-26 Thread Martin Burnicki
DIT) under HKLM\CurrentControlSet >> \Services\w32time: >> >> [TimeProviders\NtpClient] >> InputProvider=DWORD:0 >> [TimeProviders\NtpServer] >> InputProvider=DWORD:0 >> >> This will cause NTP to start before W32TIME and thus NTP will take >> over discip

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-26 Thread Martin Burnicki
rk I don't think that's a proper solution. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-26 Thread Martin Burnicki
ng on www.microsoft.com. If I start searching at support.microsoft.com the search returns no results, which is pretty poor (for MS). Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-27 Thread Martin Burnicki
Evandro Menezes wrote: > On Feb 26, 2:57 am, Martin Burnicki <[EMAIL PROTECTED]> > wrote: >> >> Of course they still can't both open port 123, so the result should be >> what David Wooley has mentioned in his reply. > > No, but the workstations use an RPC

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-27 Thread Martin Burnicki
Danny, Danny Mayer wrote: > Martin Burnicki wrote: >> I have recently received a note from someone who seemed to be very >> familiar with Active Directory. That person told me whn w32time starts it >> makes an entry in the LDAP directory which tells the clients at logon &

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-28 Thread Martin Burnicki
Danny Mayer wrote: > Martin Burnicki wrote: >> I've mentioned in my earlier post that the entry is supposed to be in the >> LDAP tree. Why should this be in DNS? Directory services have been >> designed to as a database to keep track of objects and attributes of >

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-28 Thread Martin Burnicki
Maarten, Maarten Wiltink wrote: > "Martin Burnicki" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] > [...] >> I guess a Windows domain would work without a local DNS since the names >> of the Windows machines could also be resolved by the WIN

Re: [ntp:questions] Issues with w32tm on AD network

2008-02-28 Thread Martin Burnicki
> But when the workstations contact the DC, I think that NTP will > reply instead. If that setup really works then it's indeed a good workaround for using ntpd on the PDC. Unfortunately I've currently no W2k3 domain set up for tes

Re: [ntp:questions] Multicast question

2008-02-29 Thread Martin Burnicki
ld already do so. Does someone know how this is handled by other protocols using multicast, e.g. SLP or mDNS? Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Multicast question

2008-02-29 Thread Martin Burnicki
Danny Mayer wrote: > Martin Burnicki wrote: >> Danny Mayer wrote: >>> John Vossler wrote: >> [...] >>>> My initial reaction to this issue was to determine if there was an OS >>>> (Solaris) directive to include the multicast for other interfaces i

Re: [ntp:questions] Issues with w32tm on AD network

2008-03-03 Thread Martin Burnicki
So your comments make things much clearer. Thanks, Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Issues with w32tm on AD network

2008-03-03 Thread Martin Burnicki
look at it. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] Multicast question

2008-03-03 Thread Martin Burnicki
Frank, thanks for that crash course on the details of multicasting which makes things much clearer. Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman

Re: [ntp:questions] ntpdate.c unsafe buffer write

2008-03-03 Thread Martin Burnicki
I didn't see the obvious solution. Since the patch has not yet been committed I'll update it once more. Thanks, Martin -- Martin Burnicki Meinberg Funkuhren Bad Pyrmont Germany ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] pool configuration directive on Windows

2008-03-04 Thread Martin Burnicki
> the "pool" configuration line seems to be non-functional. Details > below: [...] The keyword "pool" has been introduced in the development branch of NTP (ntp-dev, v4.2.5), so it is not supported in ntpd v4.2.4p4 which is the current "stable"

Re: [ntp:questions] pool configuration directive on Windows

2008-03-05 Thread Martin Burnicki
Ryan Malayter wrote: > On Mar 4, 10:29 am, Martin Burnicki <[EMAIL PROTECTED]> > wrote: >> The keyword "pool" has been introduced in the development branch of NTP >> (ntp-dev, v4.2.5), so it is not supported in ntpd v4.2.4p4 which is the >> current "

Re: [ntp:questions] Time reset

2008-03-05 Thread Martin Burnicki
n crond performs its tasks. What tasks are specified in cron.weekly? Could you run them one by one to see which one produces the time slew? Do you also observe time slews if you run other tasks which cause much disk and/or network I/O? Martin -- Martin Burni

Re: [ntp:questions] pool configuration directive on Windows

2008-03-06 Thread Martin Burnicki
back index documenting when changes > have been introduced other that the rather vague release notes. I think this is OK as long as it's made clear that this documentation refers only to the current development code. Anyway, I'd appre

Re: [ntp:questions] Windows Time with NTPv4

2008-03-10 Thread Martin Burnicki
s a Meinberg FAQ which tells how to fix those brokeen Windows clients and let them send normal peer requests instead of symmetric active requests: "Why does my Windows Time Service (w32time) not synchronize with my NTP Server?" http://www.meinbe

Re: [ntp:questions] pool configuration directive on Windows

2008-03-10 Thread Martin Burnicki
ght again, and basically this is a good thing. However it's even hard for people who are loosely involved in the development to keep track of when / in which version new features become available, and it's even much harder for those who are "just" users of NTP. So there&

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