Hi Richard,

If the time offset between master(eg, 2023/05/31) and slave(eg, 1970/1/1)
is very large, then it is 100% reproduced

thanks

Richard Cochran <richardcoch...@gmail.com> 于2023年5月13日周六 12:56写道:

> On Tue, Apr 04, 2023 at 12:32:57PM +0800, Merlin He wrote:
> > port_nrate_calculate() sampling the first ingress1 before slave clock
> > jumping, if the offset of master and slave is too large, this may
> > results in an extremly small nrate_ratio value, and cause the nagative
> > delay issue.
>
> I don't understand the issue.
>
> Can you provide an example how to reproduce it?
>
> Thanks,
> Richard
>
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