On Tue, Jun 12, 2018 at 08:11:04AM +0000, Jord Pool wrote: > The server I am trying to synchronise to this master (# ptp4l -i > eno1 -m -q -4 -H) is using the i217-LM (rev 04) with the 3.4.0.2 > version of the e1000e driver installed. > > When synchronising the slave server to the master after boot, the > synchronisation process is flawless as seen in the output > below. However, when adding another server to the setup, which > should take over the master function, there appears a very high > offset including a very high frequency adjustment value.
Is the second server also an i217-LM, or what is it? > When disconnecting the last connected device and letting the > previous master take over the master role again, the slave server > will not synchronise anymore; not even after killing the linuxptp > processes and starting the synchronisation all over again: the > master offset keeps high but decreases within 20 minutes to normal > values, but the frequency adjustment value stays to the maximum of > -59999999.. Sounds like a driver or HW bug. Thanks, 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