> -----Original Message----- > From: Richard Cochran [mailto:richardcoch...@gmail.com] > Sent: Friday, June 15, 2018 7:47 AM > To: Jord Pool <jord.p...@outlook.com> > Cc: Cliff Spradlin via Linuxptp-users <linuxptp-users@lists.sourceforge.net> > Subject: Re: [Linuxptp-users] Synchronisation > > On Fri, Jun 15, 2018 at 09:59:04AM +0000, Jord Pool wrote: > > So I found that when launching ptp4l it automatically assigns itself > > a /dev/ptp* device. One time it assigns /dev/ptp2, another time it > > assigns /dev/ptp4 etc very random. I have a total of 5 devices: > > /dev/ptp0, /dev/ptp1, /dev/ptp2, /dev/ptp3 and /dev/ptp4. > > How many MACs do you have? Five or more? > > If `ptp4l -i enp0s25` chooses different /dev/ptp* every time you stop > and start again, then something is very broken in your kernel. (After > a reboot, however, the /dev/ptp* number might have changed. That is > why you can only give ptp4l the interface.) >
Yea, does ethtool -T continuously change /dev/ptpX devices on you? That is probably a kernel or driver bug... 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
