Re: [Linuxptp-users] failed to adjust clock: Invalid argument and phc offset keep increasing

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

On Fri, Jul 21, 2017 at 04:38:17PM -0400, Kin Man wrote:
> I have compiled the Linux PTP project v 1.7 and compiled the ptp4l and
> phc2sys apps. The ptp4l seems to work fine between the master (a Linux
> machine) and slave (my Xilinx Zynq board), but the phcsys seems not to work
> properly, as the phc offset keep increasing and it pop out the failed to
> adjust the clock message.
> 
> When we used the Xilinx board as master and use the Linux machine as slave,
> then phc2sys is fine. while we are trying to debug the problem, we noticed
> the argument to the function clock_adjtime(clkid, &tx) seems to be the same
> between the working and the non-working case, therefore, we are wondering
> if something wrong with the clock_adjtime function. Any advice will be
> helpful.

Is this a mainline Linux kernel, or is it a vendor kernel?

Thanks,
Richard