On Mon, Feb 10, 2020 at 09:36:39AM +0000, Wen Bin Leong wrote: > However the phc2sys is giving me the following error on the slave side, where > the phc clock took a big jump: > $ sudo ./phc2sys -s /dev/ptp0 -c CLOCK_REALTIME -w -m > phc2sys[251211.780]: CLOCK_REALTIME phc offset 39434682283 s0 freq -801 > delay 7410 > phc2sys[251212.781]: CLOCK_REALTIME phc offset 39434724040 s1 freq +40945 > delay 7410 > phc2sys[251213.781]: CLOCK_REALTIME phc offset 39432354542 s2 freq +100000000 > delay 7420 ... > phc2sys[251244.787]: CLOCK_REALTIME phc offset 35988703421 s2 freq +100000000 > delay 6678 > phc2sys[251245.788]: clockcheck: clock jumped forward or running faster than > expected! <-- the error > phc2sys[251245.788]: CLOCK_REALTIME phc offset 39378909599 s0 freq +100000000 > delay 6678
It looks like someone else is controlling CLOCK_REALTIME. Is the PC running ntpd or chrony or timesyncd or ... Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
