Thanks Richard for the quick reply! I was wondering if the first_step_threshold could be used for a workaround, but my tests show that it only takes effect after starting ptp4l and not after state changes. Do you confirm this is the intended behavior?
thanks, Christian -----Ursprüngliche Nachricht----- Von: Richard Cochran <richardcoch...@gmail.com> Gesendet: Freitag, 26. März 2021 15:55 An: Christian Soenke <csoe...@eso.org> Cc: linuxptp-users@lists.sourceforge.net Betreff: Re: [Linuxptp-users] Large master offsets after link state change On Fri, Mar 26, 2021 at 11:13:43AM +0000, Christian Soenke wrote: > When ptp4l resumes after the 'link up', I get huge master offsets in > the range of seconds. It is like the PHC gets reset when the link > status changes. Yes, looks like it. Some drivers do that. > Any suggestions other than "don't use this card"? Re-write the device driver to either not reset (if HW allows) or save and restore the current time across link down/up. Sorry, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
