Re: [Linuxptp-users] clockcheck - need to filter large spurious phase jumps?

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

On Tue, Nov 05, 2013 at 04:26:21PM -0500, Rich Schmidt wrote:
> This is Rich Schmidt, linuxptp newbie.
> 
> I am testing linuxptp on this system at the US Naval Observatory:
> Supermicro SYS-5015A-EHF-D525 (Atom)
> Intel 82547L  NICs   driver: e1000e version: 2.5.4-NAPI firmware-version:
> 1.9-0
> Debian with kernel 3.12.0-rc
> 
> Running:
> Sync PHC to USNO Master Clock via Zyfer Gsync PTP GrandMaster:
> ptp4l -i eth1 -l 7 -s -p /dev/ptp1
> 
> Sync CLOCK_REALTIME to PHC:
> phc2sys -s /dev/ptp1 -L 100000000 -l 7 -R 0.25 -O 0

Can you try this again running ptp4l alone without phc2sys?

If no funny offsets appear, this would indicate a certain kind of
driver problem, when both programs access the PHC.

Thanks,
Richard