Re: [Linuxptp-users] v1.7 / v 1.8 differences.

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

On Tue, Jan 10, 2017 at 05:23:09PM +0000, Ian Thompson wrote:
> However, with the same config file, ptp4l v1.7 enters hwts_init() with one_step = 0 and v1.8 enters with one_step = 1.
> The driver rejects HWTSTAMP_TX_ONESTEP_SYNC.

...

> If I force v1.8 to one_step = 0, it works.
> 
> I attached the configuration file I'm using.
> It looks like I was asking for one step, so is v1.8 getting it correct?

Right, v1.7 introduced a regression WRT one-step, and this bug was
fixed in v1.8.

So configure "twoStepFlag 1", and all will be well.

Thanks,
Richard