Re: [Linuxptp-users] Master offset jumps

[Nils H. <ha...@th...>]

Thank you Richard.

It's the stock Ubuntu 18.04 kernel:

Linux version 4.18.0-25-generic

What exactly do you mean by MAC version?

The MAC address is 1c:69:7a:66:79:81 but this is most likely not what you mean...


cheers,
nils

> On 14/12/2020 14:27 Richard Cochran <ric...@gm...> wrote:
> 
>  
> On Mon, Dec 14, 2020 at 12:28:14PM +0100, Nils Hasler wrote:
> > on the master I get these log messages:
> > 
> > Dec 12 04:05:44 nuc5 phc2sys[5688]: [69845.383] sys offset  -7786079 s2 freq -23999999 delay   9216
> > Dec 12 04:05:45 nuc5 phc2sys[5688]: [69846.408] sys offset  -7786030 s2 freq -23999999 delay   9216
> > Dec 12 04:05:46 nuc5 phc2sys[5688]: [69847.423] clockcheck: clock jumped forward or running faster than expected!
> > Dec 12 04:05:46 nuc5 phc2sys[5688]: [69847.424] sys offset 1125899899056265 s0 freq -23999999 delay   9088
> 
> What MAC and kernel version is on the Nuc?
> 
> This sounds like that rare, bad gettime on one of the Intel chips.
> Newer kernels have a retry in the driver as a workaround.
> 
> Thanks,
> Richard

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Dr. Nils Hasler
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