Re: [Linuxptp-users] recvmsg tx timestamp failed: Resource temporarily unavailable

[Richard C. <ric...@gm...>]

On Wed, Feb 06, 2013 at 07:40:29PM +0530, Rayagond Kokatanur wrote:

> Following are log message on SLAVE side,
...
> ptp4l[3529.856]: negative path delay -273111420
> ptp4l[3529.856]: path_delay = (t2 - t3) + (t4 - t1)
> ptp4l[3529.856]: t2 - t3 = -1331967748
> ptp4l[3529.856]: t4 - t1 = +785744908
> ptp4l[3529.856]: c1          0
> ptp4l[3529.856]: c2          0
> ptp4l[3529.856]: c3          0
> ptp4l[3530.070]: master offset -1360149853961689539 s0 adj      +0 path delay -273111420

It looks like your driver's time stamps are not correct. Have you
verified that the time stamps are working with your driver?

Richard