time jumps forward/backwards

Benjamin Gamsa ben at somanetworks.com
Tue Sep 1 21:20:47 EST 2009


Benjamin Herrenschmidt wrote:
> On Mon, 2009-08-31 at 23:57 -0400, Benjamin Gamsa wrote:
>> Sean MacLennan wrote:
>>> On Mon, 31 Aug 2009 22:20:00 -0400
>>> Benjamin Gamsa <ben at somanetworks.com> wrote:
>>>
>>>> For what it's worth, the problem occurs even when ntp is not even
>>>> started.
>>> This is grasping, but could it have anything to do with the jiffies
>>> wrapping near startup?
>>>
>> I don't know how to test it, but I don't think so, since there are 
>> multiple of these glitches over an extended period of time.
> 
> I'm not familiar with all the FSL processor variants, but is this
> an UP or an SMP platform ? In the later case, are all the core timebases
> properly synchronized ?
> 

This a UP with a single e500 core.

	ben



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