On Fri, Jul 28, 2017 at 10:31:41PM +0100, bruce bushby wrote: > I tried running many combinations of "ptp4l" , at no point do I ever see > PTP "offset from master" messages.
Looks like no PTP Announce messages are arriving. You should check with wireshark or tcpdump. > I then installed and ran "ptpd2" version 2.3.1-2 and immediately I get log > updates showing "offset from master" Sure, with old fashioned BSD SW loopback time stamping, it works. > What is the diference between "ptpd2" and "ptp4l" ? IIRC, ptpd2 2.3.1 doesn't support any of the current Linux time stamping or clock APIs. > Are there any known issues with ptp4l and ConnectX-3 cards ? Sorry, I don't know. HTH, Richard ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users