Re: [Linuxptp-users] Offset between TAI and PHC

[Elder C. <eld...@ti...>]

Hello Dennys, Miroslav.

I will try your suggestions. Thank you both for the help

BR.





Em qua., 24 de mai. de 2023 às 14:50, Dennis Hagarty (dehagart)
<deh...@ci...> escreveu:
>
> Hi,
>
> Yes, I think so.
>
> The GM will send those values in the Announce message and you pick it up with -w
> If it's not, you can configure the offset locally on the client end with -O
>
> Regards
> Dennis
>
> -----Original Message-----
> From: Miroslav Lichvar <mli...@re...>
> Sent: Wednesday, May 24, 2023 3:51 PM
> To: Elder Costa <eld...@ti...>
> Cc: lin...@li...
> Subject: Re: [Linuxptp-users] Offset between TAI and PHC
>
> On Wed, May 24, 2023 at 08:19:37AM -0300, Elder Costa wrote:
> > phc latency: 7472
> > phc-rt delta: 37000039320
> > phc-tai delta: 37000039035
> >
> > phc-tai delta is greater than 50 usec !
> > TAI offset set in kernel is not correct !
>
> I think you need to set currentUtcOffsetValid and timeTraceable on the
> GM with a pmc SET GRANDMASTER_SETTINGS_NP command for the client's
> phc2sys to actually set the TAI-UTC offset of the system clock.
>
> --
> Miroslav Lichvar
>
>
>
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