[ntp:questions] Re: New NTP version for Windows with GUI setup available

Danny Mayer mayer at ntp.isc.org
Tue Dec 27 18:20:10 UTC 2005


Serge Bets wrote:
> Hello Martin,
> 
>  On Thursday, December 22, 2005 at 15:46:35 +0100, Martin Burnicki wrote:
> 
> 
>>I'd like to announce that there is a new NTP version for Windows with
>>GUI setup available at the Meinberg download page:
>>http://www.meinberg.de/english/sw/ntp.htm#ntp_nt
> 
> 
> Much thanks to you Martin, Heiko, and Danny. This version
> ntp-4.2.0b at 1.1436mbg-xmas-o-win32-setup.exe works very well. The random
> service hangs in some circumstances as autokey+sysstats seem to be gone.
> 
> 
> 
>>The Windows system clock is slewed quickly (in a 2 second period) to
>>account for the leap second.
> 
> 
> Could super-fast slewing also work on other platforms without leap
> insertion support?
> 
> 
> I still have a problem: When the Windows NTP service on 192.168.7.12
> is configured as an Autokey server with a trusted certificate, and a
> Linux ntp-dev-20051208 client 192.168.7.10 tries to open an unicast
> client mode association. The Autokey Foxtrot begins, but will be
> perturbated by many event log messages like this:
> 
> | sendto(192.168.7.10) (fd=216): No error
> | sendto(192.168.7.10) (fd=216): Une opération d'entrée/sortie avec chevauchement est en cours d'exécution.
> 
> This may mean something as "overlapping I/O". On the Linux client side,
> the association stays unreachable, and cryptostats show:
> 
> | 53727 83262.562 192.168.7.12 newpeer 44981
> | 53727 83282.642 ntpkey_RSAkey_Client.3342971955 mod 512
> | 53727 83282.647 ntpkey_RSA-MD5cert_Client.3342971955 0x0 len 311
> | 53727 83283.462 refresh ts 0
> | 53727 83284.465 192.168.7.12 flags 0x800e3 host Server signature md5WithRSAEncryption
> | 53727 83478.512 update ts 3344368278
> 
> The dance is locked on this step for hours. The same problem already
> happened with previous versions of Windows NTP, at least
> ntp-4.2.0b at 20051016-1.1417-o-win32 and ntp-dev-4.2.0b-20051105-nt.zip.
> 
> 
> Serge.
There may be issues with autokey on Windows. I haven't had any time to
set things up to look at it.

Danny



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