On 5/18/2023 9:14 AM, Bernie Elayda wrote:
> Hello, I have an update. I obtained the HEAD for linuxptp yesterday and
> re-ran my setup. Unfortunately, phc2sys failed again with a Connection
> timed out:
>
> phc2sys[470789.265]: CLOCK_REALTIME phc offset -63 s2 freq -9645
> delay 0
> phc2sys[470790.265]: CLOCK_REALTIME phc offset -797 s2 freq -10398
> delay 0
> phc2sys[470791.266]: CLOCK_REALTIME phc offset 524 s2 freq -9316
> delay 0
> phc2sys[470792.266]: CLOCK_REALTIME phc offset 598 s2 freq -9085
> delay 0
> phc2sys[470793.266]: CLOCK_REALTIME phc offset -247 s2 freq -9750
> delay 0
> phc2sys[470794.267]: CLOCK_REALTIME phc offset -22 s2 freq -9599
> delay 0
> phc2sys[470795.267]: ioctl PTP_SYS_OFFSET_PRECISE: Connection timed out
>
> Is there something I can do to troubleshoot this? Our application needs to
> run for days. My solution is to modify the phc2sys's sysoff_precise to
> just use the last pctns and ts result when an ioctl error happens.
> when this connection timed out happen, ptp4l is still running.
>
> regards,bernardo
What hardware are you using? I suspect the PHC driver must be returning
some error here which is what ultimately causes sys_offset_precise to fail.
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