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#1 2005-02-08 04:53:02

iBertus
Member
From: Greenville, NC
Registered: 2004-11-04
Posts: 2,228

Strange Clock Issue!

My computer clock is running way too fast! It completes a minute in less than 60-seconds. If I sync my wallclock and computer clock now, in 30 minutes the computer clock will be several minutes (5-7) ahead of the wallclock. I've never seen anything like this before. This problem has been bothering me for about a week now and is driving me crazy. Could a bad mobo battery cause this?

---

Athlon XP-M 2500+ @ 2.3 Ghz
768MB PC2100 DDR
Epox 8RDA+ nForce2 Mobo
Powered by Arch Linux

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#2 2005-02-08 05:00:10

cactus
Taco Eater
From: t͈̫̹ͨa͖͕͎̱͈ͨ͆ć̥̖̝o̫̫̼s͈̭̱̞͍̃!̰
Registered: 2004-05-25
Posts: 4,615
Website

Re: Strange Clock Issue!

that would be my first guess..
I would then recommend replacing the battery, and running ntp. If your clock is fast, it will regularly correct by small increments..as apposed to ntpupdate which does it all at once.


"Be conservative in what you send; be liberal in what you accept." -- Postel's Law
"tacos" -- Cactus' Law
"t̥͍͎̪̪͗a̴̻̩͈͚ͨc̠o̩̙͈ͫͅs͙͎̙͊ ͔͇̫̜t͎̳̀a̜̞̗ͩc̗͍͚o̲̯̿s̖̣̤̙͌ ̖̜̈ț̰̫͓ạ̪͖̳c̲͎͕̰̯̃̈o͉ͅs̪ͪ ̜̻̖̜͕" -- -̖͚̫̙̓-̺̠͇ͤ̃ ̜̪̜ͯZ͔̗̭̞ͪA̝͈̙͖̩L͉̠̺͓G̙̞̦͖O̳̗͍

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#3 2005-02-08 05:17:11

iBertus
Member
From: Greenville, NC
Registered: 2004-11-04
Posts: 2,228

Re: Strange Clock Issue!

so I can just install ntp via pacman and add ntpd to rc.conf?

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#4 2005-02-08 05:58:46

cactus
Taco Eater
From: t͈̫̹ͨa͖͕͎̱͈ͨ͆ć̥̖̝o̫̫̼s͈̭̱̞͍̃!̰
Registered: 2004-05-25
Posts: 4,615
Website

Re: Strange Clock Issue!

you need to edit the conf file..and do some other stuff...
It has been a long time since i did any ntp work.
I think there is an example in the forum..something about NOT using the top level time domains..and setting your drift properly..
*scratches head*


"Be conservative in what you send; be liberal in what you accept." -- Postel's Law
"tacos" -- Cactus' Law
"t̥͍͎̪̪͗a̴̻̩͈͚ͨc̠o̩̙͈ͫͅs͙͎̙͊ ͔͇̫̜t͎̳̀a̜̞̗ͩc̗͍͚o̲̯̿s̖̣̤̙͌ ̖̜̈ț̰̫͓ạ̪͖̳c̲͎͕̰̯̃̈o͉ͅs̪ͪ ̜̻̖̜͕" -- -̖͚̫̙̓-̺̠͇ͤ̃ ̜̪̜ͯZ͔̗̭̞ͪA̝͈̙͖̩L͉̠̺͓G̙̞̦͖O̳̗͍

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#5 2005-03-04 13:52:42

soloport
Member
Registered: 2005-03-01
Posts: 442

Re: Strange Clock Issue!

Since we're on the topic, I have a minor question.  Recently, I was able to install ntpd and get things to work.  Here's what you should see when you get to that point:

# ntpq -c pe
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
+ensb.cpsc.ucalg 18.26.4.105      2 u  116 1024  377  105.047   14.208   3.866
*wxo-svr2.cmc.ec 18.145.0.30      2 u   70 1024  377  124.669   25.654   0.073
+time1.chu.nrc.c 209.87.233.52    2 u   67 1024  377  136.227   17.556   6.904
+time.nrc.ca     132.246.168.2    2 u  712 1024  377  146.790   18.475   0.941

First, I created a ntpd.conf file (path: /etc/ntpd.conf):

restrict 127.0.0.1 nomodify
# DSL router accepts these servers (port 123)
server ntp.cpsc.ucalgary.ca
server ntp2.cmc.ec.gc.ca
server time.chu.nrc.ca
server time.nrc.ca
driftfile /etc/ntp.drift
logfile /var/log/ntp.log

Note: The servers are appropriate for my area smile YMMV.  Also, openned port 123 on my DSL router (i.e. don't forget that step; same goes for iptables).

Ok, so I was wondering about the installation itself: It seems ntpd doesn't acknowledge any default configuration file.  I tried naming mine /etc/ntp.conf and /etc/ntpd.conf, but no go.  The ntpd daemon just wouldn't acknowledge it.

I finally settled on /etc/ntpd.conf and changed the following line in /etc/rc.d/ntpd:

# before
    if [ -z "$PID" ]; then
       /usr/bin/ntpd &
    fi

# after
    if [ -z "$PID" ]; then
       /usr/bin/ntpd -c /etc/ntpd.conf &
    fi

To me, this means I can't just install ntpd, clean out of the box.  I can see having to create a config file.  But having to hack the startup config seems... er...  just wrong sad   Is there an 'env' variable I'm missing?  Should the installation have produced different results?

Thanks, Jon

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