On Wed, Jul 26, 2017 at 01:56:49PM +0000, Ian Thompson wrote:
> Hello:
> 
> I have a network of Altera SOC running ptp4l and generally it runs very well 
> but there are some "glitches".
> 
> Here is the log from a board. It runs for 13 hours without a problem ...
> 
> [cid:[email protected]]

In the future, please post plain text logs, not images.
 
> And then ...
> 
> [cid:[email protected]]
> 
> Now the ptp4l recovers but the phc2sys doesn't.

It appears that the driver is resetting the PTP Hardware Clock when
ptp4l re-configures it.  That is a bug in the driver.

Thanks,
Richard

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