Re: [Linuxptp-users] System Clock not synchronized correctly

[Kirchhoff, P. <phi...@si...>]

I> f you try "phc_ctl eth1 get" and "phc_ctl eth2 get" commands, is the
> time roughly correct or is it in the past too?

It is in the past too.

> The capture shows that the sync messages have correctionField set to
> about -68135 seconds. That is very suspicious.

What ist the meaning of the correctionField? Can you tell me where I can find more info on this?


________________________________
From: Miroslav Lichvar <mli...@re...>
Sent: Thursday, December 16, 2021 9:35 AM
To: Kirchhoff, Philip (SE GP T HG PE T 1 2) <phi...@si...>
Cc: lin...@li... <lin...@li...>
Subject: Re: [Linuxptp-users] System Clock not synchronized correctly

On Thu, Dec 16, 2021 at 07:54:14AM +0000, Kirchhoff, Philip wrote:
> Hi,
>
> I have a problem with an embedded device running Timemaster/ptp4l. The ptp4l says that it is synchronized to the GM but the system time is several hours in the past. The device has two redundant ethernet ports (PRP).

If you try "phc_ctl eth1 get" and "phc_ctl eth2 get" commands, is the
time roughly correct or is it in the past too?

> Please find attached the related log files and a wireshark capture.

The capture shows that the sync messages have correctionField set to
about -68135 seconds. That is very suspicious.

--
Miroslav Lichvar