On Tue, Mar 23, 2021 at 05:33:39PM +0000, ramesh t via Linuxptp-users wrote:
>  hello,
> Please suggest.

Your mailer has totally mangled the logs, making them unreadable.
Fix that, and then maybe somebody will respond.

Thanks,
Richard


> Regards,Ramesh
>     On Tuesday, March 23, 2021, 02:23:06 PM GMT+5:30, ramesh t via 
> Linuxptp-users <linuxptp-users@lists.sourceforge.net> wrote:  
>  
>  hello,
> Have a testline where ptp4l application is running as master on a server and 
> is connected to remote end running ptp as support/slave unit.
> When the remote end application is restarted, the interface between ptp 
> master and support/slave ptp is going down. This is resulting in phc2sys 
> jumping to a huge value.
> Mar 23 07:53:21 k8s-worker-0 ptp4l: [434064.223] port 1: link downMar 23 
> 07:53:21 k8s-worker-0 ptp4l: [434064.223] port 1: MASTER to FAULTY on 
> FAULT_DETECTED (FT_UNSPECIFIED)Mar 23 07:53:21 k8s-worker-0 ptp4l: 
> [434064.253] selected local clock 40a6b7.fffe.0d9811 as best masterMar 23 
> 07:53:21 k8s-worker-0 ptp4l: [434064.253] assuming the grand master roleMar 
> 23 07:53:21 k8s-worker-0 phc2sys: [434064.519] enp95s0f0 phc offset         0 
> s2 freq   -1538 delay   3641Mar 23 07:53:21 k8s-worker-0 phc2sys: 
> [434064.536] clockcheck: clock jumped backward or running slower than 
> expected!Mar 23 07:53:21 k8s-worker-0 phc2sys: [434064.536] enp95s0f1 phc 
> offset -275041761 s0 freq   -1535 delay    187Mar 23 07:53:21 k8s-worker-0 
> ptp4l: [434064.586] rms    5 max   10 freq  +1533 +/-   9 delay   378 +/-   0
> Verified the above by doing ifconfig down on master server, in this case 
> phc2sys remained fine.
> Mar 23 08:04:34 k8s-worker-0 phc2sys: [434737.079] CLOCK_REALTIME phc offset  
>      -13 s2 freq  -80180 delay   1153Mar 23 08:04:34 k8s-worker-0 ptp4l: 
> [434737.331] timed out while polling for tx timestampMar 23 08:04:34 
> k8s-worker-0 ptp4l: [434737.331] increasing tx_timestamp_timeout may correct 
> this issue, but it is likely caused by a driver bugMar 23 08:04:34 
> k8s-worker-0 ptp4l: [434737.331] port 1: send sync failedMar 23 08:04:34 
> k8s-worker-0 ptp4l: [434737.331] port 1: MASTER to FAULTY on FAULT_DETECTED 
> (FT_UNSPECIFIED)Mar 23 08:04:34 k8s-worker-0 ptp4l: [434737.480] port 1: link 
> downMar 23 08:04:34 k8s-worker-0 ptp4l: [434737.480] selected local clock 
> 40a6b7.fffe.0d9811 as best masterMar 23 08:04:34 k8s-worker-0 ptp4l: 
> [434737.480] assuming the grand master roleMar 23 08:04:34 k8s-worker-0 
> ptp4l: [434737.480] selected local clock 40a6b7.fffe.0d9811 as best masterMar 
> 23 08:04:34 k8s-worker-0 ptp4l: [434737.480] assuming the grand master 
> roleMar 23 08:04:34 k8s-worker-0 ptp4l: [434737.569] rms    6 max   12 freq  
> +1534 +/-  10 delay   377 +/-   2Mar 23 08:04:34 k8s-worker-0 phc2sys: 
> [434737.590] enp95s0f0 phc offset        -9 s2 freq   -1566 delay   3629Mar 
> 23 08:04:34 k8s-worker-0 phc2sys: [434737.599] enp95s0f1 phc offset        -2 
> s2 freq   -1560 delay   3635Mar 23 08:04:35 k8s-worker-0 phc2sys: 
> [434738.079] CLOCK_REALTIME phc offset         7 s2 freq  -80164 delay   1146
> Below are ptp4l and phc2sys process running.
> ##############################################root      86670      1  0 07:37 
> ?        00:00:04 /usr/sbin/ptp4l -2 -A -i enp175s0f1 -f ptp4l_support.conf 
> -sroot     127594  90793  0 07:49 pts/2    00:00:03 /usr/sbin/ptp4l -2 -A -i 
> enp95s0f1 -f ptp4l_master.confroot     128028  90793  0 07:49 pts/2    
> 00:00:03 /usr/sbin/ptp4l -2 -A -i enp95s0f0 -f ptp4l_master.conf
> root      92724  90793  0 07:39 pts/2    00:00:00 /usr/sbin/phc2sys -s 
> enp175s0f1 -c CLOCK_REALTIME -w -r -n 24root     123206  90793  0 07:48 pts/2 
>    00:00:00 /usr/sbin/phc2sys -s enp175s0f1 -c enp95s0f1 -r -w -n 24root     
> 123397  90793  0 07:48 pts/2    00:00:00 /usr/sbin/phc2sys -s enp175s0f1 -c 
> enp95s0f0 -r -w -n 24#############################################
> Can you please suggest if this known issue or what is wrong with this 
> configuration?
> Regards,Ramesh_______________________________________________


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