On Mon, Sep 16, 2019 at 01:32:17PM +0200, Francesco Foresta wrote:
> It was possible to see that the slideset hosted by the Linux Foundation
> “IEEE 1588 & PTP USING EMBEDDED LINUX SYSTEMS, by Insop Song” has delay
> timeouts on the slaves as well. This is making me wonder if I am puzzling
> for nothing.
These message "port %hu: delay timeout" (which is at the debugging
level) only mean the timer that triggers a delay request has expired.
case FD_DELAY_TIMER:
pr_debug("port %hu: delay timeout", portnum(p));
port_set_delay_tmo(p);
delay_req_prune(p);
return port_delay_request(p) ? EV_FAULT_DETECTED : EV_NONE;
IOW, it is time for the slave to send a new delay request.
It is perfectly normal and nothing to worry about.
The same goes for the "port %hu: unicast request timeout" message.
HTH,
Richard
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