On Fri, Dec 15, 2017 at 12:05:37PM +0100, Omar Pighi via Linuxptp-users wrote: > i used to check the sync status with > tail -f /var/log/syslog | grep ptp > tail -f /var/log/syslog | grep phc > > the output is something similar to > > Dec 14 16:08:34 it-eva-driving phc2sys: [23058.294] phc offset 10512340976 s2 > freq +100000000 delay 2892
BTW, you can avoid the huge phase/frequency offsets by letting phc2sys reset the system clock. > but one day the phc stopped to work , on both PC > I mean: > tail -f /var/log/syslog | grep ptp > show , as usual, the offset decreasing and the stay stable this mean the > ethernet board are in sync. > > but with > tail -f /var/log/syslog | grep phc > > Dec 14 16:08:34 it-eva-driving phc2sys: [23058.294] phc offset 10512340976 s2 > freq +100000000 delay 2892 > the offset diverge and always increase.. > > any idea? I bet you have a bug on the GPS/GM arm machine. It is serving a clock that is out of control and cannot be tracked by the slaves. 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
