On Wed, Mar 16, 2016 at 10:20:35AM -0700, John Hubbard wrote: > After changing the 'time_stamping' option in /etc/ptp4l.conf from > hardware to software and restarting ptp4l I now see much better > behavior.
Yes, but probably you are disappointed having to forego the HW synchronization performance. At least this test shows that your card most likely has a HW bug. > I believe that I did try the Intel driver but didn't see any success. I > found version 3.3.3 of the driver at [3], followed the instructions in > the readme. At the time I was running the 3.10.0-327.10.1 kernel. The > timestamp (see below) on e1000e.ko matches up with when I performed the > build, and the file size is way bigger (6M as compared to ~780K) for the > ko on the older 3.10 and the newer 4.5 kernels. I did an rmmod (which > hung my SSH session) I then rebooted the machine (which I assume loaded > the new driver). I wouldn't assume that. Either do rmmod/insmod by hand (on the console!) or simply rename or move the original driver before rebooting. Thanks, Richard ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785231&iu=/4140 _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users