Time sync is foobar

Steven Stern subscribed-lists at sterndata.com
Mon Aug 15 21:08:40 UTC 2011


On 08/15/2011 12:39 PM, Chris Adams wrote:
> Once upon a time, Joe Zeff <joe at zeff.us> said:
>> On 08/15/2011 08:52 AM, Steven Stern wrote:
>>> This morning, the time is once again off.  It appears that ntp is not
>>> synching time.  I see nothing unusual in /var/log/messages.
>>
>> Is it running fast or slow?  If it's slow, it could simply be that your 
>> CMOS battery is getting low.  Modern mobos are designed to do this as a 
>> warning.
> 
> Unless you reboot the system, the CMOS clock doesn't come into play.
> Linux reads the CMOS clock at boot and then keeps time in the kernel.
> If your clock is correct at boot and off later, then there's something
> else wrong.

There were no reboots inbetween last night's reset of the clock and this
morning's time check.

I just installed a new battery because the old one, though marked at 3V,
was putting out slightly less than 1 volt.  I should know more in a few
hours.

-- 
-- Steve


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