On Tue, Jan 17, 2017 at 04:25:39PM +0800, Hardik Gohil wrote: > sorry for my mistake I have copied and pasted same message three times. > following are real time message > > ptp4l[2460.587]: port 1: received PDELAY_REQ without timestamp > ptp4l[2461.589]: port 1: received PDELAY_REQ without timestamp > ptp4l[2462.590]: port 1: received PDELAY_REQ without timestamp > ptp4l[2463.590]: port 1: received PDELAY_REQ without timestamp > ptp4l[2464.592]: port 1: received PDELAY_REQ without timestamp > ptp4l[2465.594]: port 1: received PDELAY_REQ without timestamp > ptp4l[2466.594]: port 1: received PDELAY_REQ without timestamp > > once I exit from application > [ 2506.471859] cpts: unable to obtain a time stamp > [ 2514.487888] cpts: event pool is empty
The driver (or HW) is not providing time stamps on these messages. Does your device have both MACs active? If so, check whether active_slave in the dts is correct. IIRC, the cpts does work with P2P. Which kernel version are you using? Is your kernel a mainline kernel, or a vendor kernel? Thanks, 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