On Fri, Jul 14, 2017 at 11:20:44AM +0200, Petr Kulhavy wrote:
> My master is another ptp4l running device. What you're saying would then
> mean that ptp4l in master mode sends its time in UTC.

So your setup is this?

1. GM using SW time stamping
2. Slave 1 using SW time stamping
3. Slave 2 using HW time stamping

Can you please post your setting, ie config file and command lines for
both ptp4l and phc2sys on each host?

Also, please post the log files.

> I don't need an absolute synchronization, I just need that the few devices
> are accurately in sync with each other.

Putting aside the UTC issue, you will get better results by using HW
time stamping on the master by configuring #3 as GM.

Thanks,
Richard

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