> -----Original Message----- > From: Jord Pool [mailto:jord.p...@outlook.com] > Sent: Tuesday, June 26, 2018 10:44 PM > To: Keller, Jacob E <jacob.e.kel...@intel.com>; Richard Cochran > <richardcoch...@gmail.com> > Cc: Cliff Spradlin via Linuxptp-users <linuxptp-users@lists.sourceforge.net> > Subject: Re: [Linuxptp-users] Synchronisation > > Hi Jake, > > I have just simply created a linuxptp container image using a Dockerfile like > the > following: > > FROM ubuntu:latest > RUN apt-get update && \ > apt-get install -y linuxptp && \ > rm -rf /var/lib/apt/lists/* > > Next, I start the containers using the following commands: > # docker run -d -v /var/run/:/var/run/ —privileged —net=host —name ptp- > server {image_name} /usr/sbin/ptp4l -i enp0s25 -m -q -4 -H > > > # docker run -d -v /var/run/:/var/run/ —privileged —net=host —name phc2sys > {image_name} /usr/sbin/phc2sys -s CLOCK_REALTIME -c /dev/ptpX -w -m -q > > By mapping the /var/run/ folder from the host OS to the /var/run/ folder of > the > container by using the -v option (mount volume to container), you can easily > give > the container access. > > Furthermore, I managed to clear the synchronisation problem I was facing. The > problem was due to the e1000e driver apparently. I must honestly say I do not > know for sure what the problem of the driver exactly was, but by updating the > e1000e driver on my CoreOS (PTP Grandmaster) server from version 3.2.6-k to > 3.4.0.2 I managed to get rid of the synchronisation problem with the extreme > high offsets. > > So basically I am now running the following setup, where both the master as > well > as the client run the 3.4.0.2 version of the e1000e driver: > High Resolution Oscillator FPGA —> NTP Shared Memory —> System Clock > (Through NTP) —> PHC Grandmaster (Through phc2sys) —> PHC Client —> > System Clock (Through phc2sys) —> NTP synchronising to LOCAL (127.127.1.0) — > > Other NTP Clients > > All ptp4l AND phc2sys instances in this scenario are running inside > containers on > Docker! > > Thanks for your support and interest! > > Jord > >
I'm glad this was resolved for you! :) Yea, it sounds like that kernel is missing some backports for fixes then. Thanks, Jake ------------------------------------------------------------------------------ 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
