You are right! After disabling the systemd-timesyncd via: systemctl stop systemd-timesyncd systemctl disable systemd-timesyncd
The clocks is now syn, many thanks ! -----Original Message----- From: Richard Cochran <richardcoch...@gmail.com> Sent: Tuesday, 11 February 2020 12:13 pm To: Wen Bin Leong <wenbin.le...@rapsodo.com> Cc: linuxptp-users@lists.sourceforge.net Subject: Re: [Linuxptp-users] hpc2sys sync issue On Tue, Feb 11, 2020 at 01:50:07AM +0000, Wen Bin Leong wrote: > does it means that someone else is controlling the clock ? Or maybe your PHC is broken. What hardware is it? Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users