Clock Problems

Mykal Funk mykalfunk at gmail.com
Mon Dec 14 17:29:15 PST 2009


Bruce Dubbs wrote:
> Mykal Funk wrote:
>
>   
>> I replaced the battery and the behavior didn't change. The time loss 
>> occurs only under high load. When uptime reports a high load average, 
>> the system loses time like crazy. When it is just sitting doing nothing 
>> it keeps perfect time. I don't know what to make of it. Perhaps someone 
>> else can.
>>     
>
> What kernel are you running and what is the HW again?
>   
I'm running 2.6.30.9 kernel on an ancient 486DX.
> It sounds like the interrupt system is losing time ticks and may just be 
>   a symptom of old hw and (possibly) how the kernel handles the 
> interrupts.  It's possible it can be fixed in the kernel configuration.
>
> It could also be a HW error.
>
>    -- Bruce
>   
Possibly, but this didn't show up under the 2.4.x kernel. It kept time. 
After I installed the 2.6.x kernel is when I first noticed the clock skew.

Mykal Funk



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