[ale] Clock problems with two SuSE setups

James P. Kinney III jkinney at localnetsolutions.com
Mon Jun 4 12:26:06 EDT 2007


I'll second the use of hwclock. Add a call to hwclock during the network
shutdown (or anywhere early the shutdown process) to make the bios clock
align with reality.

If the system is turned off for a while and the bios closk is quite
different from the ntp time, the bios battery is getting weak.

On Mon, 2007-06-04 at 11:42 -0400, Jeff Lightner wrote:
> Are you using ntp to keep your "system" time in sync with known clocks
> such as GPS devices or U.S. Naval Observatory servers tick and tock?
> 
> If so you might want to use hwclock command to update the hardware
> clocks from the system time periodically.  The only time the hwclock is
> really used is at boot up to set the initial system time at boot.   I've
> seen folks in another forum have issues and doing this seemed to resolve
> things for them.
> 
> -----Original Message-----
> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of John
> Mills
> Sent: Monday, June 04, 2007 11:21 AM
> To: Atlanta Linux Enthusiasts
> Subject: [ale] Clock problems with two SuSE setups
> 
> ALErs-
> 
> I updated my SuSE-9.2, -10.1 and -10.2 systems by RPM to
> 'timezone-2.5-34.1' to adapt to our [brilliant] new daylight savings
> calendar. I don't know if it's related to the change, but I've recently
> noticed that my two laptops' system clocks are wildly off when I start
> them, and badly off (10s of minutes) even if I just reboot Linux without
> 
> cycling power.
> 
> I first suspected a hardware problem in the -9.2 machine where I first 
> noticed the problem, but with two bad actors I tend to blame some 
> installation or configuration issue. I tried running the clocks in local
> 
> time but that didn't help, so now they're back on UTC and still giving 
> trouble.
> 
> I have no reason to suppose this is specific to SuSE setups; that's just
> 
> what I have here, and the two laptops are the ones frequently restarted.
> 
> Has anyone on the list dealt with this type of problem?
> 
> TIA.
>  - Mills
> 
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-- 
James P. Kinney III          
CEO & Director of Engineering 
Local Net Solutions,LLC        
770-493-8244                    
http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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