On Tue, Jul 31, 2018 at 12:09:29PM +0800, roger luo wrote: > Hi, > when i run the OC mode for the SLAVE clock to sync the time from the master > clock, at first, the sync works fine, the offset is also fine, but the > offset becomes a very large value, i did some debugging and printed the ppb > in kernel code api adjfreq, the ppb value is an abnormal value when the > offset become a very larger value in linuxptp debug information. that is to > say, the calculated frequency value in linuxptp triggers the abnormal > offset.
It could be a HW/driver issue. Do you have a ptp4l/phc2sys log showing the offset and frequency values increasing? -- Miroslav Lichvar ------------------------------------------------------------------------------ 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
