Hello,
I want to synchronize clocks between two nodes communicating by RNDIS. Since
the USB driver does not handle HW clock, I configured ptp4l to use SW time
stamping.
I do see that the slave receive the PTP messages but I do not see the system
clocks converging
On the contrary they diverge : 10 min in one night with ptp4l running
Yesterday:
root@rayl-conti-bsrf-b1:~# ssh -o StrictHostKeyChecking=no root@${NAD_SOCKET}
'date "+%Y.%m.%d-%T"'; date
2019.05.06-17:18:27
Mon May 6 17:18:27 UTC 2019
Today:
root@rayl-conti-bsrf-b1:~# ssh -o StrictHostKeyChecking=no root@${NAD_SOCKET}
'date "+%Y.%m.%d-%T"'; date
2019.05.07-07:26:21
Tue May 7 07:36:16 UTC 2019
Here the configuration file on both side:
[global]
#
# Default Data Set
#
twoStepFlag 1
slaveOnly 0
priority1 127
priority2 128
domainNumber 0
clockClass 248
clockAccuracy 0xFE
offsetScaledLogVariance 0xFFFF
free_running 0
freq_est_interval 1
#
# Port Data Set
#
logAnnounceInterval 1
logSyncInterval 0
logMinDelayReqInterval 0
logMinPdelayReqInterval 0
announceReceiptTimeout 3
syncReceiptTimeout 0
delayAsymmetry 0
fault_reset_interval 4
neighborPropDelayThresh 20000000
#
# Run time options
#
assume_two_step 0
logging_level 7
path_trace_enabled 0
follow_up_info 0
hybrid_e2e 0
tx_timestamp_timeout 1
use_syslog 1
verbose 0
summary_interval 0
kernel_leap 1
check_fup_sync 0
#
# Servo Options
#
pi_proportional_const 0.0
pi_integral_const 0.0
pi_proportional_scale 0.0
pi_proportional_exponent -0.3
pi_proportional_norm_max 0.7
pi_integral_scale 0.0
pi_integral_exponent 0.4
pi_integral_norm_max 0.3
step_threshold 0.0
first_step_threshold 0.00002
max_frequency 900000000
clock_servo pi
sanity_freq_limit 200000000
ntpshm_segment 0
#
# Transport options
#
transportSpecific 0x0
ptp_dst_mac 01:1B:19:00:00:00
p2p_dst_mac 01:80:C2:00:00:0E
udp_ttl 1
udp6_scope 0x0E
uds_address /var/run/ptp4l
#
# Default interface options
#
network_transport UDPv4
delay_mechanism E2E
time_stamping software
tsproc_mode filter
delay_filter moving_median
delay_filter_length 10
egressLatency 0
ingressLatency 0
boundary_clock_jbod 0
#
# Clock description
#
productDescription ;;
revisionData ;;
manufacturerIdentity 00:00:00
userDescription ;
timeSource 0xA0
On slave side:
[root@bsrf /root]# /usr/bin/ptp4l -f /etc/ptp4l.conf -S -m -i rndis0
ptp4l[93812.275]: config item (null).assume_two_step is 0
ptp4l[93812.282]: config item (null).check_fup_sync is 0
ptp4l[93812.283]: config item (null).tx_timestamp_timeout is 1
ptp4l[93812.284]: config item (null).clockClass is 248
ptp4l[93812.284]: config item (null).clockAccuracy is 254
ptp4l[93812.284]: config item (null).offsetScaledLogVariance is 65535
ptp4l[93812.284]: config item (null).productDescription is ';;'
ptp4l[93812.284]: config item (null).revisionData is ';;'
ptp4l[93812.284]: config item (null).userDescription is ';'
ptp4l[93812.284]: config item (null).manufacturerIdentity is '00:00:00'
ptp4l[93812.285]: config item (null).domainNumber is 0
ptp4l[93812.285]: config item (null).slaveOnly is 0
ptp4l[93812.285]: config item (null).twoStepFlag is 1
ptp4l[93812.285]: config item (null).priority1 is 127
ptp4l[93812.285]: config item (null).priority2 is 128
ptp4l[93812.285]: config item (null).gmCapable is 1
ptp4l[93812.285]: config item (null).gmCapable is 1
ptp4l[93812.285]: config item (null).clock_servo is 0
ptp4l[93812.285]: config item (null).time_stamping is 0
ptp4l[93812.289]: config item (null).free_running is 0
ptp4l[93812.290]: config item (null).time_stamping is 0
ptp4l[93812.291]: config item (null).time_stamping is 0
ptp4l[93812.291]: config item (null).clock_servo is 0
ptp4l[93812.291]: config item (null).uds_address is '/var/run/ptp4l'
ptp4l[93812.291]: section item /var/run/ptp4l.delay_mechanism now 0
ptp4l[93812.291]: section item /var/run/ptp4l.network_transport now 0
ptp4l[93812.292]: section item /var/run/ptp4l.delay_filter_length now 1
ptp4l[93812.292]: config item (null).free_running is 0
ptp4l[93812.298]: config item (null).freq_est_interval is 1
ptp4l[93812.298]: config item (null).gmCapable is 1
ptp4l[93812.298]: config item (null).kernel_leap is 1
ptp4l[93812.298]: config item (null).timeSource is 160
ptp4l[93812.305]: config item (null).pi_proportional_const is 0.000000
ptp4l[93812.305]: config item (null).pi_integral_const is 0.000000
ptp4l[93812.305]: config item (null).pi_proportional_scale is 0.000000
ptp4l[93812.305]: config item (null).pi_proportional_exponent is -0.300000
ptp4l[93812.305]: config item (null).pi_proportional_norm_max is 0.700000
ptp4l[93812.305]: config item (null).pi_integral_scale is 0.000000
ptp4l[93812.305]: config item (null).pi_integral_exponent is 0.400000
ptp4l[93812.305]: config item (null).pi_integral_norm_max is 0.300000
ptp4l[93812.305]: config item (null).step_threshold is 0.000000
ptp4l[93812.305]: config item (null).first_step_threshold is 0.000020
ptp4l[93812.305]: config item (null).max_frequency is 900000000
ptp4l[93812.305]: config item (null).tsproc_mode is 0
ptp4l[93812.305]: config item (null).delay_filter is 1
ptp4l[93812.306]: config item (null).delay_filter_length is 10
ptp4l[93812.306]: config item (null).summary_interval is 0
ptp4l[93812.306]: config item (null).sanity_freq_limit is 200000000
ptp4l[93812.306]: PI servo: sync interval 1.000 kp 0.100 ki 0.001000
ptp4l[93812.306]: config item /var/run/ptp4l.boundary_clock_jbod is 0
ptp4l[93812.306]: config item /var/run/ptp4l.network_transport is 0
ptp4l[93812.306]: config item /var/run/ptp4l.delayAsymmetry is 0
ptp4l[93812.306]: config item /var/run/ptp4l.follow_up_info is 0
ptp4l[93812.306]: config item /var/run/ptp4l.freq_est_interval is 1
ptp4l[93812.306]: config item /var/run/ptp4l.hybrid_e2e is 0
ptp4l[93812.306]: config item /var/run/ptp4l.path_trace_enabled is 0
ptp4l[93812.306]: config item /var/run/ptp4l.ingressLatency is 0
ptp4l[93812.306]: config item /var/run/ptp4l.egressLatency is 0
ptp4l[93812.306]: config item /var/run/ptp4l.delay_mechanism is 0
ptp4l[93812.307]: config item /var/run/ptp4l.fault_badpeernet_interval is 16
ptp4l[93812.307]: config item /var/run/ptp4l.fault_reset_interval is 4
ptp4l[93812.307]: config item /var/run/ptp4l.tsproc_mode is 0
ptp4l[93812.307]: config item /var/run/ptp4l.delay_filter is 1
ptp4l[93812.307]: config item /var/run/ptp4l.delay_filter_length is 1
ptp4l[93812.307]: config item rndis0.boundary_clock_jbod is 0
ptp4l[93812.307]: config item rndis0.network_transport is 1
ptp4l[93812.307]: config item rndis0.delayAsymmetry is 0
ptp4l[93812.307]: config item rndis0.follow_up_info is 0
ptp4l[93812.307]: config item rndis0.freq_est_interval is 1
ptp4l[93812.307]: config item rndis0.hybrid_e2e is 0
ptp4l[93812.307]: config item rndis0.path_trace_enabled is 0
ptp4l[93812.676]: config item rndis0.ingressLatency is 0
ptp4l[93812.676]: config item rndis0.egressLatency is 0
ptp4l[93812.676]: config item rndis0.delay_mechanism is 1
ptp4l[93812.676]: config item rndis0.fault_badpeernet_interval is 16
ptp4l[93812.676]: config item rndis0.fault_reset_interval is 4
ptp4l[93812.676]: config item rndis0.tsproc_mode is 0
ptp4l[93812.676]: config item rndis0.delay_filter is 1
ptp4l[93812.676]: config item rndis0.delay_filter_length is 10
ptp4l[93812.676]: config item rndis0.logMinDelayReqInterval is 0
ptp4l[93812.676]: config item rndis0.logAnnounceInterval is 1
ptp4l[93812.676]: config item rndis0.announceReceiptTimeout is 3
ptp4l[93812.676]: config item rndis0.syncReceiptTimeout is 0
ptp4l[93812.676]: config item rndis0.transportSpecific is 0
ptp4l[93812.676]: config item rndis0.logSyncInterval is 0
ptp4l[93812.677]: config item rndis0.logMinPdelayReqInterval is 0
ptp4l[93812.677]: config item rndis0.neighborPropDelayThresh is 20000000
ptp4l[93812.677]: config item rndis0.min_neighbor_prop_delay is -20000000
ptp4l[93812.677]: config item rndis0.udp_ttl is 1
ptp4l[93812.702]: port 1: INITIALIZING to LISTENING on INITIALIZE
ptp4l[93812.702]: config item /var/run/ptp4l.logMinDelayReqInterval is 0
ptp4l[93812.702]: config item /var/run/ptp4l.logAnnounceInterval is 1
ptp4l[93812.702]: config item /var/run/ptp4l.announceReceiptTimeout is 3
ptp4l[93812.703]: config item /var/run/ptp4l.syncReceiptTimeout is 0
ptp4l[93812.703]: config item /var/run/ptp4l.transportSpecific is 0
ptp4l[93812.703]: config item /var/run/ptp4l.logSyncInterval is 0
ptp4l[93812.703]: config item /var/run/ptp4l.logMinPdelayReqInterval is 0
ptp4l[93812.703]: config item /var/run/ptp4l.neighborPropDelayThresh is 20000000
ptp4l[93812.703]: config item /var/run/ptp4l.min_neighbor_prop_delay is
-20000000
ptp4l[93812.703]: config item (null).uds_address is '/var/run/ptp4l'
ptp4l[93812.710]: port 0: INITIALIZING to LISTENING on INITIALIZE
ptp4l[93813.199]: port 1: setting asCapable
ptp4l[93813.387]: port 1: new foreign master 3690a5.fffe.8181ec-1
ptp4l[93817.737]: selected best master clock 3690a5.fffe.8181ec
ptp4l[93817.737]: foreign master not using PTP timescale
ptp4l[93817.738]: port 1: LISTENING to UNCALIBRATED on RS_SLAVE
ptp4l[93818.818]: port 1: delay timeout
ptp4l[93818.819]: negative delay -41645842
ptp4l[93818.819]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93818.820]: t2 - t3 = -1044583719
ptp4l[93818.820]: t4 - t1 = +961292034
ptp4l[93818.820]: rr = 1.000000000
ptp4l[93818.820]: delay filtered -41645842 raw -41645842
ptp4l[93818.862]: master offset -713275038944 s0 freq -100000000 path delay
-41645842
ptp4l[93819.222]: port 1: delay timeout
ptp4l[93819.223]: negative delay -14228344
ptp4l[93819.224]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93819.224]: t2 - t3 = -361249052
ptp4l[93819.224]: t4 - t1 = +332792364
ptp4l[93819.224]: rr = 1.000000000
ptp4l[93819.224]: delay filtered -27937093 raw -14228344
ptp4l[93819.542]: port 1: delay timeout
ptp4l[93819.544]: negative delay -27060142
ptp4l[93819.544]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93819.544]: t2 - t3 = -681722479
ptp4l[93819.544]: t4 - t1 = +627602194
ptp4l[93819.544]: rr = 1.000000000
ptp4l[93819.545]: delay filtered -27060142 raw -27060142
ptp4l[93819.847]: port 1: delay timeout
ptp4l[93819.850]: negative delay -39353295
ptp4l[93819.850]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93819.851]: t2 - t3 = -985999094
ptp4l[93819.851]: t4 - t1 = +907292503
ptp4l[93819.851]: rr = 1.000000000
ptp4l[93819.851]: delay filtered -33206718 raw -39353295
ptp4l[93819.878]: port 1: delay timeout
ptp4l[93819.880]: negative delay -40602742
ptp4l[93819.880]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93819.880]: t2 - t3 = -1017458406
ptp4l[93819.880]: t4 - t1 = +936252922
ptp4l[93819.880]: rr = 1.000000000
ptp4l[93819.881]: delay filtered -39353295 raw -40602742
ptp4l[93819.954]: master offset -713189997424 s0 freq -100000000 path delay
-39353295
ptp4l[93820.587]: port 0: announce timeout
ptp4l[93820.812]: port 1: delay timeout
ptp4l[93820.814]: negative delay -34460130
ptp4l[93820.814]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93820.815]: t2 - t3 = -863593557
ptp4l[93820.815]: t4 - t1 = +794673297
ptp4l[93820.815]: rr = 1.000000000
ptp4l[93820.815]: delay filtered -36906712 raw -34460130
ptp4l[93821.037]: master offset -713105133228 s0 freq -100000000 path delay
-36906712
ptp4l[93821.125]: port 1: delay timeout
ptp4l[93821.127]: negative delay -3302059
ptp4l[93821.128]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93821.128]: t2 - t3 = -89191610
ptp4l[93821.128]: t4 - t1 = +82587491
ptp4l[93821.128]: rr = 1.000000000
ptp4l[93821.128]: delay filtered -34460130 raw -3302059
ptp4l[93821.516]: port 1: delay timeout
ptp4l[93821.517]: negative delay -19019705
ptp4l[93821.518]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93821.518]: t2 - t3 = -479613980
ptp4l[93821.518]: t4 - t1 = +441574570
ptp4l[93821.518]: rr = 1.000000000
ptp4l[93821.518]: delay filtered -30760136 raw -19019705
ptp4l[93822.131]: master offset -713023547902 s0 freq -100000000 path delay
-30760136
ptp4l[93822.899]: port 1: delay timeout
ptp4l[93822.904]: negative delay -30600990
ptp4l[93822.904]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93822.904]: t2 - t3 = -773316329
ptp4l[93822.904]: t4 - t1 = +712114349
ptp4l[93822.904]: rr = 1.000000000
ptp4l[93822.905]: delay filtered -30600990 raw -30600990
ptp4l[93823.214]: master offset -712936734813 s0 freq -100000000 path delay
-30600990
ptp4l[93824.306]: master offset -712849300862 s0 freq -100000000 path delay
-30600990
ptp4l[93824.478]: port 1: delay timeout
ptp4l[93824.481]: negative delay -6776644
ptp4l[93824.481]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93824.482]: t2 - t3 = -177459792
ptp4l[93824.482]: t4 - t1 = +163906504
ptp4l[93824.482]: rr = 1.000000000
ptp4l[93824.482]: delay filtered -28830566 raw -6776644
ptp4l[93825.395]: master offset -712763991633 s0 freq -100000000 path delay
-28830566
ptp4l[93825.940]: port 1: delay timeout
ptp4l[93825.943]: negative delay -21950274
ptp4l[93825.943]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93825.943]: t2 - t3 = -551943906
ptp4l[93825.943]: t4 - t1 = +508043358
ptp4l[93825.943]: rr = 1.000000000
ptp4l[93825.943]: delay filtered -24505208 raw -21950274
ptp4l[93826.476]: master offset -712681009978 s0 freq -100000000 path delay
-24505208
ptp4l[93827.192]: port 0: announce timeout
ptp4l[93827.564]: master offset -712593695310 s0 freq -100000000 path delay
-24505208
ptp4l[93827.639]: port 1: delay timeout
ptp4l[93827.641]: negative delay -2812750
ptp4l[93827.642]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93827.642]: t2 - t3 = -76315021
ptp4l[93827.643]: t4 - t1 = +70689521
ptp4l[93827.643]: rr = 1.000000000
ptp4l[93827.643]: delay filtered -24505208 raw -2812750
ptp4l[93827.924]: port 1: delay timeout
ptp4l[93827.928]: negative delay -14296747
ptp4l[93827.928]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93827.928]: t2 - t3 = -361432099
ptp4l[93827.929]: t4 - t1 = +332838604
ptp4l[93827.929]: rr = 1.000000000
ptp4l[93827.929]: delay filtered -20484989 raw -14296747
ptp4l[93828.656]: master offset -712510411318 s0 freq -100000000 path delay
-20484989
ptp4l[93829.358]: port 1: delay timeout
ptp4l[93829.365]: negative delay -28145189
ptp4l[93829.365]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93829.366]: t2 - t3 = -707594250
ptp4l[93829.366]: t4 - t1 = +651303872
ptp4l[93829.366]: rr = 1.000000000
ptp4l[93829.366]: delay filtered -20484989 raw -28145189
ptp4l[93829.739]: master offset -712423102834 s0 freq -100000000 path delay
-20484989
ptp4l[93830.829]: master offset -712335716633 s0 freq -100000000 path delay
-20484989
ptp4l[93830.942]: port 1: delay timeout
ptp4l[93830.943]: negative delay -4367658
ptp4l[93830.944]: delay = (t2 - t3) * rr + (t4 - t1)
ptp4l[93830.944]: t2 - t3 = -113651198
ptp4l[93830.944]: t4 - t1 = +104915882
ptp4l[93830.944]: rr = 1.000000000
ptp4l[93830.944]: delay filtered -16658226 raw -4367658
On master side:
root@rayl-conti-bsrf-b1:~# /usr/bin/ptp4l -S -A -f /etc/ptp4l.conf -i usb0 -m
ptp4l[92504.618]: config item (null).assume_two_step is 0
ptp4l[92504.619]: config item (null).check_fup_sync is 0
ptp4l[92504.619]: config item (null).tx_timestamp_timeout is 1
ptp4l[92504.619]: config item (null).clockClass is 248
ptp4l[92504.619]: config item (null).clockAccuracy is 254
ptp4l[92504.619]: config item (null).offsetScaledLogVariance is 65535
ptp4l[92504.619]: config item (null).productDescription is ';;'
ptp4l[92504.621]: config item (null).revisionData is ';;'
ptp4l[92504.621]: config item (null).userDescription is ';'
ptp4l[92504.621]: config item (null).manufacturerIdentity is '00:00:00'
ptp4l[92504.621]: config item (null).domainNumber is 0
ptp4l[92504.621]: config item (null).slaveOnly is 0
ptp4l[92504.621]: config item (null).twoStepFlag is 1
ptp4l[92504.621]: config item (null).priority1 is 127
ptp4l[92504.622]: config item (null).priority2 is 128
ptp4l[92504.622]: config item (null).gmCapable is 1
ptp4l[92504.622]: config item (null).gmCapable is 1
ptp4l[92504.622]: config item (null).clock_servo is 0
ptp4l[92504.622]: config item (null).time_stamping is 0
ptp4l[92504.622]: config item (null).free_running is 0
ptp4l[92504.622]: config item (null).time_stamping is 0
ptp4l[92504.622]: config item (null).time_stamping is 0
ptp4l[92504.623]: config item (null).clock_servo is 0
ptp4l[92504.623]: config item (null).uds_address is '/var/run/ptp4l'
ptp4l[92504.623]: section item /var/run/ptp4l.delay_mechanism now 0
ptp4l[92504.623]: section item /var/run/ptp4l.network_transport now 0
ptp4l[92504.624]: section item /var/run/ptp4l.delay_filter_length now 1
ptp4l[92504.625]: config item (null).free_running is 0
ptp4l[92504.625]: config item (null).freq_est_interval is 1
ptp4l[92504.625]: config item (null).gmCapable is 1
ptp4l[92504.625]: config item (null).kernel_leap is 1
ptp4l[92504.625]: config item (null).timeSource is 160
ptp4l[92504.625]: config item (null).pi_proportional_const is 0.000000
ptp4l[92504.625]: config item (null).pi_integral_const is 0.000000
ptp4l[92504.626]: config item (null).pi_proportional_scale is 0.000000
ptp4l[92504.626]: config item (null).pi_proportional_exponent is -0.300000
ptp4l[92504.626]: config item (null).pi_proportional_norm_max is 0.700000
ptp4l[92504.626]: config item (null).pi_integral_scale is 0.000000
ptp4l[92504.636]: config item (null).pi_integral_exponent is 0.400000
ptp4l[92504.636]: config item (null).pi_integral_norm_max is 0.300000
ptp4l[92504.636]: config item (null).step_threshold is 0.000000
ptp4l[92504.636]: config item (null).first_step_threshold is 0.000020
ptp4l[92504.636]: config item (null).max_frequency is 900000000
ptp4l[92504.637]: config item (null).tsproc_mode is 0
ptp4l[92504.637]: config item (null).delay_filter is 1
ptp4l[92504.637]: config item (null).delay_filter_length is 10
ptp4l[92504.637]: config item (null).summary_interval is 0
ptp4l[92504.637]: config item (null).sanity_freq_limit is 200000000
ptp4l[92504.761]: PI servo: sync interval 1.000 kp 0.100 ki 0.001000
ptp4l[92504.761]: config item /var/run/ptp4l.boundary_clock_jbod is 0
ptp4l[92504.761]: config item /var/run/ptp4l.network_transport is 0
ptp4l[92504.761]: config item /var/run/ptp4l.delayAsymmetry is 0
ptp4l[92504.761]: config item /var/run/ptp4l.follow_up_info is 0
ptp4l[92504.761]: config item /var/run/ptp4l.freq_est_interval is 1
ptp4l[92504.761]: config item /var/run/ptp4l.hybrid_e2e is 0
ptp4l[92504.762]: config item /var/run/ptp4l.path_trace_enabled is 0
ptp4l[92504.762]: config item /var/run/ptp4l.ingressLatency is 0
ptp4l[92504.762]: config item /var/run/ptp4l.egressLatency is 0
ptp4l[92504.762]: config item /var/run/ptp4l.delay_mechanism is 0
ptp4l[92504.762]: config item /var/run/ptp4l.fault_badpeernet_interval is 16
ptp4l[92504.762]: config item /var/run/ptp4l.fault_reset_interval is 4
ptp4l[92504.762]: config item /var/run/ptp4l.tsproc_mode is 0
ptp4l[92504.762]: config item /var/run/ptp4l.delay_filter is 1
ptp4l[92504.762]: config item /var/run/ptp4l.delay_filter_length is 1
ptp4l[92504.762]: config item usb0.boundary_clock_jbod is 0
ptp4l[92504.762]: config item usb0.network_transport is 1
ptp4l[92504.763]: config item usb0.delayAsymmetry is 0
ptp4l[92504.763]: config item usb0.follow_up_info is 0
ptp4l[92504.763]: config item usb0.freq_est_interval is 1
ptp4l[92504.763]: config item usb0.hybrid_e2e is 0
ptp4l[92504.763]: config item usb0.path_trace_enabled is 0
ptp4l[92504.763]: config item usb0.ingressLatency is 0
ptp4l[92504.763]: config item usb0.egressLatency is 0
ptp4l[92504.763]: config item usb0.delay_mechanism is 0
ptp4l[92504.763]: config item usb0.fault_badpeernet_interval is 16
ptp4l[92504.767]: config item usb0.fault_reset_interval is 4
ptp4l[92504.767]: config item usb0.tsproc_mode is 0
ptp4l[92504.767]: config item usb0.delay_filter is 1
ptp4l[92504.767]: config item usb0.delay_filter_length is 10
ptp4l[92504.767]: config item usb0.logMinDelayReqInterval is 0
ptp4l[92504.767]: config item usb0.logAnnounceInterval is 1
ptp4l[92504.767]: config item usb0.announceReceiptTimeout is 3
ptp4l[92504.767]: config item usb0.syncReceiptTimeout is 0
ptp4l[92504.767]: config item usb0.transportSpecific is 0
ptp4l[92504.768]: config item usb0.logSyncInterval is 0
ptp4l[92504.768]: config item usb0.logMinPdelayReqInterval is 0
ptp4l[92504.768]: config item usb0.neighborPropDelayThresh is 20000000
ptp4l[92504.768]: config item usb0.min_neighbor_prop_delay is -20000000
ptp4l[92504.768]: config item usb0.udp_ttl is 1
ptp4l[92504.769]: port 1: INITIALIZING to LISTENING on INITIALIZE
ptp4l[92504.769]: config item /var/run/ptp4l.logMinDelayReqInterval is 0
ptp4l[92504.769]: config item /var/run/ptp4l.logAnnounceInterval is 1
ptp4l[92505.104]: config item /var/run/ptp4l.announceReceiptTimeout is 3
ptp4l[92505.104]: config item /var/run/ptp4l.syncReceiptTimeout is 0
ptp4l[92505.104]: config item /var/run/ptp4l.transportSpecific is 0
ptp4l[92505.105]: config item /var/run/ptp4l.logSyncInterval is 0
ptp4l[92505.105]: config item /var/run/ptp4l.logMinPdelayReqInterval is 0
ptp4l[92505.106]: config item /var/run/ptp4l.neighborPropDelayThresh is 20000000
ptp4l[92505.106]: config item /var/run/ptp4l.min_neighbor_prop_delay is
-20000000
ptp4l[92505.106]: config item (null).uds_address is '/var/run/ptp4l'
ptp4l[92505.107]: port 0: INITIALIZING to LISTENING on INITIALIZE
ptp4l[92505.523]: port 1: setting asCapable
ptp4l[92506.446]: port 1: new foreign master 721180.fffe.3ea84a-1
ptp4l[92510.126]: selected best master clock 721180.fffe.3ea84a
ptp4l[92510.126]: assuming the grand master role
ptp4l[92510.126]: port 1: LISTENING to GRAND_MASTER on RS_GRAND_MASTER
ptp4l[92510.129]: port 1: master tx announce timeout
ptp4l[92511.129]: port 1: master sync timeout
ptp4l[92512.129]: port 1: master sync timeout
ptp4l[92512.130]: port 1: master tx announce timeout
ptp4l[92512.635]: port 0: announce timeout
ptp4l[92513.129]: port 1: master sync timeout
ptp4l[92514.130]: port 1: master sync timeout
ptp4l[92514.130]: port 1: master tx announce timeout
ptp4l[92515.130]: port 1: master sync timeout
ptp4l[92516.130]: port 1: master sync timeout
ptp4l[92516.131]: port 1: master tx announce timeout
ptp4l[92517.131]: port 1: master sync timeout
ptp4l[92518.131]: port 1: master tx announce timeout
ptp4l[92518.131]: port 1: master sync timeout
ptp4l[92519.132]: port 1: master sync timeout
ptp4l[92520.133]: port 1: master tx announce timeout
ptp4l[92520.133]: port 1: master sync timeout
ptp4l[92520.629]: port 0: announce timeout
ptp4l[92521.133]: port 1: master sync timeout
ptp4l[92522.133]: port 1: master tx announce timeout
ptp4l[92522.134]: port 1: master sync timeout
ptp4l[92523.135]: port 1: master sync timeout
ptp4l[92524.134]: port 1: master tx announce timeout
ptp4l[92524.143]: port 1: master sync timeout
ptp4l[92525.144]: port 1: master sync timeout
ptp4l[92526.134]: port 1: master tx announce timeout
ptp4l[92526.144]: port 1: master sync timeout
ptp4l[92526.645]: port 0: announce timeout
ptp4l[92527.144]: port 1: master sync timeout
ptp4l[92528.135]: port 1: master tx announce timeout
ptp4l[92528.145]: port 1: master sync timeout
ptp4l[92529.145]: port 1: master sync timeout
ptp4l[92530.136]: port 1: master tx announce timeout
ptp4l[92530.146]: port 1: master sync timeout
ptp4l[92531.150]: port 1: master sync timeout
ptp4l[92532.136]: port 1: master tx announce timeout
ptp4l[92532.150]: port 1: master sync timeout
ptp4l[92533.151]: port 1: master sync timeout
ptp4l[92534.136]: port 1: master tx announce timeout
ptp4l[92534.152]: port 1: master sync timeout
ptp4l[92534.509]: port 0: announce timeout
ptp4l[92535.154]: port 1: master sync timeout
ptp4l[92536.137]: port 1: master tx announce timeout
ptp4l[92536.156]: port 1: master sync timeout
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