I have just realized that the freq field in the /var/log/messages log
file of phc2sys is representative of the CPU (system clock) and should
provide the information needed for synthonization.
(and I now realize the 37 s from my previous post is UTC-TAI)
Thanks, Jean-Michel
--
JM Friedt, FEMTO-S
> So I would now like to try and synchonize the CPU clock on the PHC
sorry for the typo, that should read "and synthonize the CPU clock",
Jean-Michel
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On Mon, 24 Jul 2023 09:17:10 +0200
Miroslav Lichvar wrote:
> On Sat, Jul 22, 2023 at 04:12:32PM +0200, jmfriedt wrote:
> > To do this I am connecting an Ettus Research X310 software defined
> > radio to the CM4 and configuring to start collecting data upon
> > detection
Thanks to the help I received earlier I am now able to control the
Compute Module 4 (CM4) on (White Rabbit) PTP, NTP or GPS. I am trying
to understand the meaning of the 9 digits Linux is providing when
reading an inode state with "stat -c %y" and how many decimals are
actually relevant.
To do thi
> > I think that means the hardware cannot timestamp PTPv2.1 packets,
> > only PTPv2.0 packets.
> Something fixable by the white rabbit projet as it is a full fpga
> implementation.
Is it the WRS that needs to be updated? their web page says
"Technically, the White Rabbit Network is a Bridged L
... and I can confirm that the correction proposed at
https://github.com/richardcochran/linuxptp/commit/2a2532d66121d0060b042c5bd6020a62153f1e0a
namely setting the PTP_MINOR_VERSION from 1 to 0 in msg.h returns
proper operation of the PTP client on the current git version of
linuxptp.
Thanks, Jean
I actually see a comment about this patch at
https://github.com/richardcochran/linuxptp/commit/2a2532d66121d0060b042c5bd6020a62153f1e0a
stating that
"it seems that this commit breaks compatibility with some GMs, e.g.,
Microchip's TP4100. Tested with G.8275.2 profile. The reason being that
this par
"don't you use automotive profile or 802.1 AS profiles?": I am not
(yet) familiar enough with linuxptp to comment. I did not change
anything to the settings, using the default configuration, whatever
that is.
I git bisected and the faulty commit is
2a2532d66121d0060b042c5bd6020a62153f1e0a is the
I have a Compute Module4 single board computer controlled using
linuxptp to a White Rabbit switch as grand master. The client is
controlled by the server with linuxptp 3.1.1
ptp4l[8729.388]: selected /dev/ptp0 as PTP clock
ptp4l[8729.432]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[8
