Re: [Linuxptp-users] phc2sys required when running ptp4l as master?

2016-03-08 Thread Ledda William EXT
ilto:fabian_unr...@yahoo.de] Sent: 08 March 2016 08:26 To: Ledda William EXT Cc: linuxptp-users@lists.sourceforge.net Subject: Re: [Linuxptp-users] phc2sys required when running ptp4l as master? Thank you for your answer. What do you mean by syncronizing the device's clock? What do I syncronize i

Re: [Linuxptp-users] phc2sys required when running ptp4l as master?

2016-03-08 Thread Fabian Schörghofer
Thank you for your answer. What do you mean by syncronizing the device's clock? What do I syncronize it with? In my understanding the ptp0 clock is freerunning. The slaves will try to adjust their clock to the ptp0 clock, whatever time that clock may have. The goal here is not to have an accura

Re: [Linuxptp-users] phc2sys required when running ptp4l as master?

2016-03-07 Thread Richard Cochran
On Mon, Mar 07, 2016 at 09:22:57AM +, Fabian Schörghofer wrote: > Do I need to use phc2sys on the master too to syncronize the time > between the network clock and CLOCK_REALTIME? Yes. > Or is ptp4l already doing that? No. Thanks, Richard ---

[Linuxptp-users] phc2sys required when running ptp4l as master?

2016-03-07 Thread Fabian Schörghofer
I am using ptp4l with version 1.6-2-g999c86f. This is my startline: /home/test/linuxptp/ptp4l -E -4 -H -i p1p1 The network card is a Intel 82574L with the following time capabilites: Time stamping parameters for p1p1: Capabilities: hardware-transmit (SOF_TIMESTAMPING_TX_HARDWARE) softw