Precision 380N looses time even with ntpd running using BIOS A06

Boudreau, Jerry jerry.boudreau at leerink.com
Thu Nov 16 19:19:39 CST 2006



If anyone had any suggestions, I'm having problems with a Precision 380n
running:

Linux flexwks02 2.4.21-27.ELsmp #1 SMP Wed Dec 1 21:59:02 EST 2004 i686
i686 i386 GNU/Linux

I've set it up to syncronize with Windows 2000 A/D servers. The
workstation looses syncronization; what am I doing wrong?


Here is my ntp.conf file:
------------------------------------------------------------------------
-----------------------------------------------------------
# Prohibit general access to this service.
#restrict default ignore
#restrict 192.168.28.130 mask 255.255.255.255 nomodify notrap noquery

# Permit all access over the loopback interface.  This could # be
tightened as well, but to do so would effect some of # the
administrative functions.
restrict 127.0.0.1


# -- CLIENT NETWORK -------
# Permit systems on this network to synchronize with this # time
service.  Do no
t permit those systems to modify the # configuration of this service.
Also, do
not use those # systems as peers for synchronization.
# restrict 192.168.1.0 mask 255.255.255.0 notrust nomodify notrap


# --- OUR TIMESERVERS -----
# or remove the default restrict line
# Permit time synchronization with our time source, but do not # permit
the sour
ce to query or modify the service on this system.

# restrict mytrustedtimeserverip mask 255.255.255.255 nomodify notrap
noquery #
server mytrustedtimeserverip



# --- NTP MULTICASTCLIENT ---
#multicastclient                        # listen on default 224.0.1.1
# restrict 224.0.1.1 mask 255.255.255.255 notrust nomodify notrap #
restrict 192
.168.1.0 mask 255.255.255.0 notrust nomodify notrap



# --- GENERAL CONFIGURATION ---

# Undisciplined Local Clock. This is a fake driver intended for backup #
and whe
n no outside source of synchronized time is available. The # default
stratum is
usually 3, but in this case we elect to use stratum # 0. Since the
server line d
oes not have the prefer keyword, this driver # is never used for
synchronization
, unless no other other # synchronization source is available. In case
the local
 host is # controlled by some external source, such as an external
oscillator or
 # another protocol, the prefer keyword would cause the local host to #
disregar
d all other synchronization sources, unless the kernel # modifications
are in us
e and declare an unsynchronized condition.
#
server  10.1.0.248 iburst
server  10.1.0.247 iburst
server  10.0.0.204 iburst
fudge   127.127.1.0 stratum 10

#
# Drift file.  Put this in a directory which the daemon can write to.
# No symbolic links allowed, either, since the daemon updates the file #
by crea
ting a temporary in the same directory and then rename()'ing # it to the
file.
#
driftfile /var/lib/ntp/drift
broadcastdelay  0.008

#
# Authentication delay.  If you use, or plan to use someday, the #
authenticatio
n facility you should make the programs in the auth_stuff # directory
and figure
 out what this number should be on your machine.
#
authenticate yes

#
# Keys file.  If you want to diddle your server at run time, make a #
keys file
(mode 600 for sure) and define the key number to be # used for making
requests.
#
# PLEASE DO NOT USE THE DEFAULT VALUES HERE. Pick your own, or remote #
systems
might be able to reset your clock at will. Note also that # ntpd is
started with
 a -A flag, disabling authentication, that # will have to be removed as
well.
#
keys            /etc/ntp/keys



I get the following errors in the log:

Nov 16 17:58:29 flexwks02 ntpd[6888]: ntpd 4.1.2 at 1.892 Tue Feb 24
06:32:25 EST 2004 (1)
Nov 16 17:58:29 flexwks02 ntpd[6888]: precision = 12 usec
Nov 16 17:58:29 flexwks02 ntpd[6888]: kernel time discipline status 0040
Nov 16 17:58:29 flexwks02 ntpd[6888]: frequency initialized 1.263 from
/var/lib/ntp/drift
Nov 16 17:58:29 flexwks02 ntpd: ntpd startup succeeded
Nov 16 17:59:07 flexwks02 ntpd[6888]: kernel time discipline status
change 41
Nov 16 18:00:10 flexwks02 ntpd[6888]: kernel time discipline status
change 1
Nov 16 18:59:59 flexwks02 ntpd[6888]: synchronisation lost


Any help or suggestions would be appreciated.

jerry











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