>>>>> "Don" == Don Lewis <Don.Lewis@tsc.tdk.com> writes:

    Don> [...]
    Don> the } impression offering too many xntpd servers in the
    Don> ntp.conf file can } confuse the daemon.

    Don> That's not the reason, though. There was a bug causing an
    Don> infinite loop in the 3-5.88 and 3-5.89 vintages.  It was
    Don> fixed sometime after the release of 3-5.89.  Your best bet is
    Don> to get ftp://louie.udel.edu/xntp3-5.89.8{,-export}.tar.gz
    Don> (though even that may have problems if you have a hardware
    Don> reference clock attached) or newer.

Getting -5.89.8 helped, thanx for the hint. (We are not using a
directly attached reference clock ;-))

Markus.