Re: [Linuxptp-users] Clock jumped forward or running faster than expected

[Keller, J. E <jac...@in...>]

> -----Original Message-----
> From: Jord Pool [mailto:jor...@ou...]
> Sent: Monday, May 07, 2018 12:40 AM
> To: lin...@li...
> Subject: [Linuxptp-users] Clock jumped forward or running faster than expected
> 
> Hi,
> 
> I have a server which synchronizes to a local NTP server in my network. Now I
> wanted to let phc2sys synchronize the physical hardware clock to the system
> clock (which is synchronized by NPT). The next step would be to run a ptp4l
> instance on the same machine to let it elect itself as the grandmaster node,
> distributing PTP time.
> 
> When launching a phc2sys instance where I try to synchronize the physical
> hardware clock to the system clock (# phc2sys -c eno1 -s CLOCK_REALTIME -w -
> m) it returns the message 'Clock jumped forward or running faster than
> expected'. After, the offset is very high and tries to slew itself down but this will
> take forever.
> 
> What could be the problem here or am I doing something wrong?
> 

Hmm.. What device and driver is eno1? What's the output of ethtool -T eno1?

Thanks,
Jake

> 
> 
> Jord Pool
> IT Service Management
> 
>