So Xilinx had me update the build environment because of an unrelated issue, 
with the added benefit that now things appear completely broken:

Nov 19 09:26:20 xilinx-kv260-starterkit-20221 ptp4l: [421.049] port 1: FAULTY 
to LISTENING on INIT_COMPLETE
Nov 19 09:26:21 xilinx-kv260-starterkit-20221 ptp4l: [422.000] port 1: received 
SYNC without timestamp
Nov 19 09:26:22 xilinx-kv260-starterkit-20221 ptp4l: [422.999] port 1: new 
foreign master 489ebd.fffe.9f7c1b-1
Nov 19 09:26:22 xilinx-kv260-starterkit-20221 ptp4l: [422.999] port 1: received 
SYNC without timestamp
Nov 19 09:26:23 xilinx-kv260-starterkit-20221 ptp4l: [424.000] port 1: received 
SYNC without timestamp
Nov 19 09:26:24 xilinx-kv260-starterkit-20221 ptp4l: [425.000] port 1: received 
SYNC without timestamp
Nov 19 09:26:25 xilinx-kv260-starterkit-20221 ptp4l: [426.000] port 1: received 
SYNC without timestamp
Nov 19 09:26:26 xilinx-kv260-starterkit-20221 ptp4l: [427.000] port 1: received 
SYNC without timestamp
Nov 19 09:26:26 xilinx-kv260-starterkit-20221 ptp4l: [427.000] selected best 
master clock 489ebd.fffe.9f7c1b
Nov 19 09:26:26 xilinx-kv260-starterkit-20221 ptp4l: [427.000] running in a 
temporal vortex
Nov 19 09:26:26 xilinx-kv260-starterkit-20221 ptp4l: [427.000] port 1: 
LISTENING to UNCALIBRATED on RS_SLAVE
Nov 19 09:26:27 xilinx-kv260-starterkit-20221 ptp4l: [428.000] port 1: received 
SYNC without timestamp
Nov 19 09:26:28 xilinx-kv260-starterkit-20221 ptp4l: [428.762] missing 
timestamp on transmitted delay request
Nov 19 09:26:28 xilinx-kv260-starterkit-20221 ptp4l: [428.762] port 1: 
UNCALIBRATED to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)
Nov 19 09:26:28 xilinx-kv260-starterkit-20221 phc2sys: [429.215] Waiting for 
ptp4l...

Phc2sys Waiting for ptp4l messages omitted save for the last one shown.  

Thoughts?

Brian Lilly / Senior Firmware Engineer 
Email: bri...@neuralynx.com

-----Original Message-----
From: Richard Cochran <richardcoch...@gmail.com> 
Sent: Thursday, September 8, 2022 3:31 PM
To: Brian Lilly <bri...@neuralynx.com>
Cc: linuxptp-users@lists.sourceforge.net
Subject: Re: [Linuxptp-users] Help with what is undoubtedly a problem with my 
configuration

On Thu, Sep 08, 2022 at 10:21:09PM +0000, Brian Lilly wrote:
> This is on a Kria K26 SOM, though granted, it's the development board KV260 
> version and not the production SOM.  I can test on a production SOM if that's 
> an issue.

I would ask the vendor if/how they tested and validated the PTP feature.

Good luck,
Richard


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