[ntp:questions] ntpd sigsegv's

Danny Mayer mayer at ntp.isc.org
Sun May 7 02:40:34 UTC 2006

Paul Lussier wrote:
> Hi all,
> ntpd seems to sigsegv when my ntp servers try to sync against an S2
> server running IPv6.  I found a post[1] from long ago mentioning
> running with a '-4' option either with ntpd or in the ntp.conf file.
> However, I could find no mention of this '-4' option anywhere, either
> at ntp.isc.org on the wiki, or in the source for ntpd-4.2.0a.

See bug #415.
> Ideally, I'd like to use this option, or something like it, in the
> ntp.conf file rather than mucking with the init-script wich execs
> ntpd, but I couldn't find any examples of how to use this option in
> that way.  Is it simply:
>   server IPv6.somewhere.net -4 

Yes or you can use it on the startup command line if you are using a
recent version of ntpd.

This bug was fixed a long time ago. You are running an old version that
couldn't handle it properly. See bug #393.

> ?
> My OS config is Debian/Linux with a 2.4.31 kernel running
> 4.2.0a+stable-2sarge1.  My systems are most definitely not configured
> for IPv6.  Is there some documentation I've missed?
> Thanks.



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