[ntp:questions] Re: RC freezes at startup

David L. Mills mills at udel.edu
Mon May 8 04:11:43 UTC 2006


Serge,

I've found and reported this on more than one occasion. It happens only 
with Linux and for some reason not in every NTP release. Somebody 
changes some dinky completely unrelated thing or other and the problem 
goes away.

Dave

Serge Bets wrote:

> Hello,
> 
> I compiled ntp-dev-4.2.1p247-RC on a Linux Debian Woody where
> ntp-4.2.0b-rc1 runs OK. At startup, the daemon soon freezes: No reply to
> any requests, and nothing more in syslog (past the first startup
> messages). When started with -d, the daemon repeatably shows normal
> startup lines, until the 1st network packet is received. At this precise
> moment begins a fast never ending storm of this repeated line:
> 
> | receive: at 3 192.168.7.10<-192.168.7.5 mode 4 code 1 auth 0
> 
> The storm is virtual, though: The network saw one packet only.
> 192.168.7.5 is a server declared iburst in ntp.conf. If removed, the
> storm will start with another packet, perhaps a peer:
> 
> | receive: at 14 192.168.7.10<-192.168.7.3 mode 1 code 1 keyid 00000001 len 48 mac 20 auth 1
> 
> Or sometimes 2 lines are repeated:
> 
> | receive: at 5 192.168.7.10<-192.168.7.13 mode 3 code 3 auth 0
> | transmit: at 5 192.168.7.10->192.168.7.13 mode 4
> 
> Back to RC1 restores normal operations.
> 
> 
> Serge.




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