[Linuxptp-users] Huge offset delay trying to do G.8275.2 profile when GM connected thru dumb switch vs directly connected to target

[<Bri...@L3...>]

Hi,

I'm trying to get ptp4l to sync with my GM using G.8275.2 profile using DSA with Microchip PTP support and lan1 acting as an individual NIC.
I had this profile working before on a development board that had a dumb phy but now using a board that has a Microchip KSZ9567 which is a 7 port switch with port 7 connected to imx8mm via RGMII.

The weird thing is if I use plain 1588 profile (PTP), it will work both direct connected and thru switch so might be a E2E issue.

I'm using linuxptp 2.0 with Yocto Dunfell build.  Using fslc-linux 5.4.114 kernel.

My GM is Trimble Thunderbolt GM200.

If my board is directly connected to the GM using G.8275.2, it will sync and give very small GM offset numbers. But when I go through a dumb switch I get crazy delay numbers and ptp4l will never sync.  If I try this exact same setup using regular 1588 profile instead of G.8275.2 profile, my GM offsets usually run +/- 300 range when connected thru switch.  

I hope I just have a configuration setting wrong that's causing this issue but I'm just not seeing it.  I do have tcpdump on the target so will try to get some captures to see if I can determine any differences in the messaging between the two use cases and post them.  But for now I'll just show the console output for the two cases below ... direct connected to GM vs going thru switch.

My linuxptp conf file contents are:

[global] 
# 
# Default Data Set 
# 
twoStepFlag             1 
slaveOnly               1 
priority1               128 
priority2               128 
domainNumber            44 
#utc_offset             37 
clockClass              248 
clockAccuracy           0xFE 
offsetScaledLogVariance 0xFFFF 
free_running            0 
freq_est_interval       1 
dscp_event              0 
dscp_general            0 
#dataset_comparison     ieee1588 
#for G.8275.1 
dataset_comparison      G.8275.x 
G.8275.defaultDS.localPriority  128 
# 
# Port Data Set 
# 
logAnnounceInterval     1 
logSyncInterval         0 
logMinDelayReqInterval  0 
logMinPdelayReqInterval 0 
announceReceiptTimeout  3 
syncReceiptTimeout      0 
delayAsymmetry          0 
fault_reset_interval    4 
neighborPropDelayThresh 20000000 
masterOnly              0 
G.8275.portDS.localPriority     128 
# 
# Run time options 
# 
assume_two_step         0 
logging_level           6 
path_trace_enabled      0 
follow_up_info          0 
hybrid_e2e              1 
inhibit_multicast_service       1 
net_sync_monitor        0 
tc_spanning_tree        0 
tx_timestamp_timeout    300 
unicast_listen          1 
unicast_req_duration    60 
unicast_master_table    1 
use_syslog              1 
verbose                 0 
summary_interval        4 
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 
# 
#clock_type              OC 
network_transport       UDPv4 
#delay_mechanism         P2P 
delay_mechanism         E2E 
time_stamping           p2p1step 
#time_stamping           hardware 
#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 
# 
[unicast_master_table] 
table_id                        1 
logQueryInterval                2 
UDPv4                           192.168.0.250 
#UDPv4                           192.168.1.250 
# 
[lan1] 
unicast_master_table            1

My GM200 is setup for (it's a gui so I'll list the settings, all default values):
PTP Profile: G8275.2
Sync Mode: Two-Step
Transport Protocol: IPv4
IP Mode: Unicast
Delay Mechanism:E2E
PTP Mode: Grandmaster
Domain Number:44
Clock Class:248
Announce Interval: 0
Announce Timeout:3
Sync Interval:-4
Delay Request Interval:-4
Priority 1:128
Priority 2:128
P2P Delay Request Interval:0
DiffServ Code Point:0
Lease Duration:-999

Console output going with target connected directly to GM 200:

root@imx8mmevk:/etc/linuxptp# ptp4l -f ./ptp4l.conf_works_with_e2e_trying_stuff -i lan1 -m -q -l7 
ptp4l[2202.059]: config item (null).assume_two_step is 0 
ptp4l[2202.059]: config item (null).check_fup_sync is 0 
ptp4l[2202.060]: config item (null).tx_timestamp_timeout is 300 
ptp4l[2202.060]: config item (null).clock_servo is 0 
ptp4l[2202.060]: config item (null).clock_type is 32768 
ptp4l[2202.060]: config item (null).clock_servo is 0 
ptp4l[2202.060]: config item (null).clockClass is 248 
ptp4l[2202.060]: config item (null).clockAccuracy is 254 
ptp4l[2202.060]: config item (null).offsetScaledLogVariance is 65535 
ptp4l[2202.060]: config item (null).productDescription is ';;' 
ptp4l[2202.060]: config item (null).revisionData is ';;' 
ptp4l[2202.060]: config item (null).userDescription is ';' 
ptp4l[2202.060]: config item (null).manufacturerIdentity is '00:00:00' 
ptp4l[2202.060]: config item (null).domainNumber is 44 
ptp4l[2202.060]: config item (null).slaveOnly is 1 
ptp4l[2202.060]: config item (null).gmCapable is 1 
ptp4l[2202.060]: config item (null).gmCapable is 1 
ptp4l[2202.060]: config item (null).G.8275.defaultDS.localPriority is 128 
ptp4l[2202.060]: config item (null).time_stamping is 4 
ptp4l[2202.060]: config item (null).twoStepFlag is 1 
ptp4l[2202.060]: one step mode implies twoStepFlag=0, clearing twoStepFlag to match 
ptp4l[2202.060]: locked item global.twoStepFlag as 0 
ptp4l[2202.060]: config item (null).twoStepFlag is 0 
ptp4l[2202.060]: config item (null).time_stamping is 4 
ptp4l[2202.060]: config item (null).priority1 is 128 
ptp4l[2202.060]: config item (null).priority2 is 128 
ptp4l[2202.060]: interface index 3 is up 
ptp4l[2202.060]: config item (null).free_running is 0 
ptp4l[2202.060]: selected /dev/ptp1 as PTP clock 
ptp4l[2202.060]: config item (null).uds_address is '/var/run/ptp4l' 
ptp4l[2202.060]: section item /var/run/ptp4l.announceReceiptTimeout now 0 
ptp4l[2202.060]: section item /var/run/ptp4l.delay_mechanism now 0 
ptp4l[2202.060]: section item /var/run/ptp4l.network_transport now 0 
ptp4l[2202.060]: section item /var/run/ptp4l.delay_filter_length now 1 
ptp4l[2202.060]: config item (null).free_running is 0 
ptp4l[2202.060]: config item (null).freq_est_interval is 1 
ptp4l[2202.060]: config item (null).gmCapable is 1 
ptp4l[2202.060]: config item (null).kernel_leap is 1 
ptp4l[2202.060]: config item (null).utc_offset is 37 
ptp4l[2202.060]: config item (null).timeSource is 160 
ptp4l[2202.065]: config item (null).pi_proportional_const is 0.000000 
ptp4l[2202.065]: config item (null).pi_integral_const is 0.000000 
ptp4l[2202.065]: config item (null).pi_proportional_scale is 0.000000 
ptp4l[2202.065]: config item (null).pi_proportional_exponent is -0.300000 
ptp4l[2202.065]: config item (null).pi_proportional_norm_max is 0.700000 
ptp4l[2202.065]: config item (null).pi_integral_scale is 0.000000 
ptp4l[2202.065]: config item (null).pi_integral_exponent is 0.400000 
ptp4l[2202.065]: config item (null).pi_integral_norm_max is 0.300000 
ptp4l[2202.065]: config item (null).step_threshold is 0.000000 
ptp4l[2202.065]: config item (null).first_step_threshold is 0.000020 
ptp4l[2202.065]: config item (null).max_frequency is 900000000 
ptp4l[2202.065]: config item (null).dataset_comparison is 1 
ptp4l[2202.065]: config item (null).tsproc_mode is 0 
ptp4l[2202.065]: config item (null).delay_filter is 1 
ptp4l[2202.065]: config item (null).delay_filter_length is 10 
ptp4l[2202.065]: config item (null).initial_delay is 0 
ptp4l[2202.065]: config item (null).summary_interval is 4 
ptp4l[2202.065]: config item (null).sanity_freq_limit is 200000000 
ptp4l[2202.066]: PI servo: sync interval 1.000 kp 0.700 ki 0.300000 
ptp4l[2202.066]: config item /var/run/ptp4l.boundary_clock_jbod is 0 
ptp4l[2202.066]: config item /var/run/ptp4l.network_transport is 0 
ptp4l[2202.066]: config item /var/run/ptp4l.delayAsymmetry is 0 
ptp4l[2202.066]: config item /var/run/ptp4l.follow_up_info is 0 
ptp4l[2202.066]: config item /var/run/ptp4l.freq_est_interval is 1 
ptp4l[2202.066]: config item /var/run/ptp4l.net_sync_monitor is 0 
ptp4l[2202.066]: config item /var/run/ptp4l.path_trace_enabled is 0 
ptp4l[2202.066]: config item /var/run/ptp4l.tc_spanning_tree is 0 
ptp4l[2202.066]: config item /var/run/ptp4l.ingressLatency is 0 
ptp4l[2202.458]: config item /var/run/ptp4l.egressLatency is 0 
ptp4l[2202.458]: config item /var/run/ptp4l.delay_mechanism is 0 
ptp4l[2202.458]: config item /var/run/ptp4l.hybrid_e2e is 1 
ptp4l[2202.458]: port 0: hybrid_e2e only works with E2E 
ptp4l[2202.458]: config item /var/run/ptp4l.fault_badpeernet_interval is 16 
ptp4l[2202.458]: config item /var/run/ptp4l.fault_reset_interval is 4 
ptp4l[2202.458]: config item /var/run/ptp4l.tsproc_mode is 0 
ptp4l[2202.458]: config item /var/run/ptp4l.delay_filter is 1 
ptp4l[2202.458]: config item /var/run/ptp4l.delay_filter_length is 1 
ptp4l[2202.458]: config item lan1.boundary_clock_jbod is 0 
ptp4l[2202.458]: config item lan1.network_transport is 1 
ptp4l[2202.458]: config item lan1.delayAsymmetry is 0 
ptp4l[2202.458]: config item lan1.follow_up_info is 0 
ptp4l[2202.458]: config item lan1.freq_est_interval is 1 
ptp4l[2202.458]: config item lan1.net_sync_monitor is 0 
ptp4l[2202.458]: config item lan1.path_trace_enabled is 0 
ptp4l[2202.458]: config item lan1.tc_spanning_tree is 0 
ptp4l[2202.458]: config item lan1.ingressLatency is 0 
ptp4l[2202.458]: config item lan1.egressLatency is 0 
ptp4l[2202.458]: config item lan1.delay_mechanism is 1 
ptp4l[2202.458]: config item lan1.unicast_master_table is 1 
ptp4l[2202.458]: config item lan1.unicast_req_duration is 60 
ptp4l[2202.458]: section item lan1.hybrid_e2e now 1 
ptp4l[2202.458]: config item lan1.unicast_listen is 1 
ptp4l[2202.458]: section item lan1.hybrid_e2e now 1 
ptp4l[2202.458]: config item lan1.inhibit_multicast_service is 1 
ptp4l[2202.458]: config item lan1.hybrid_e2e is 1 
ptp4l[2202.458]: config item lan1.fault_badpeernet_interval is 16 
ptp4l[2202.458]: config item lan1.fault_reset_interval is 4 
ptp4l[2202.458]: config item lan1.tsproc_mode is 0 
ptp4l[2202.458]: config item lan1.delay_filter is 1 
ptp4l[2202.458]: config item lan1.delay_filter_length is 10 
ptp4l[2202.458]: config item lan1.logMinDelayReqInterval is 0 
ptp4l[2202.458]: config item lan1.logAnnounceInterval is 1 
ptp4l[2202.458]: config item lan1.announceReceiptTimeout is 3 
ptp4l[2202.458]: config item lan1.syncReceiptTimeout is 0 
ptp4l[2202.458]: config item lan1.transportSpecific is 0 
ptp4l[2202.458]: config item lan1.ignore_transport_specific is 0 
ptp4l[2202.458]: config item lan1.masterOnly is 0 
ptp4l[2202.458]: config item lan1.G.8275.portDS.localPriority is 128 
ptp4l[2202.458]: config item lan1.logSyncInterval is 0 
ptp4l[2202.458]: config item lan1.logMinPdelayReqInterval is 0 
ptp4l[2202.458]: config item lan1.neighborPropDelayThresh is 20000000 
ptp4l[2202.458]: config item lan1.min_neighbor_prop_delay is -20000000 
ptp4l[2202.458]: config item lan1.udp_ttl is 1 
ptp4l[2202.459]: config item (null).dscp_event is 0 
ptp4l[2202.459]: config item (null).dscp_general is 0 
ptp4l[2202.459]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE 
ptp4l[2202.459]: config item /var/run/ptp4l.logMinDelayReqInterval is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.logAnnounceInterval is 1 
ptp4l[2202.459]: config item /var/run/ptp4l.announceReceiptTimeout is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.syncReceiptTimeout is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.transportSpecific is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.ignore_transport_specific is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.masterOnly is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.G.8275.portDS.localPriority is 128 
ptp4l[2202.459]: config item /var/run/ptp4l.logSyncInterval is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.logMinPdelayReqInterval is 0 
ptp4l[2202.459]: config item /var/run/ptp4l.neighborPropDelayThresh is 20000000 
ptp4l[2202.459]: config item /var/run/ptp4l.min_neighbor_prop_delay is -20000000 
ptp4l[2202.459]: config item (null).uds_address is '/var/run/ptp4l' 
ptp4l[2202.852]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE 
ptp4l[2202.852]: port 1: received link status notification 
ptp4l[2202.852]: interface index 3 is up 
ptp4l[2206.460]: port 1: unicast request timeout 
ptp4l[2206.465]: port 1: setting asCapable 
ptp4l[2206.465]: port 1: unicast ANNOUNCE granted for 60 sec 
ptp4l[2206.465]: port 1: renewal timeout at 2251 
ptp4l[2208.263]: port 1: new foreign master 001747.fffe.700d6b-1 
ptp4l[2209.905]: port 1: announce timeout 
ptp4l[2209.905]: config item lan1.udp_ttl is 1 
ptp4l[2209.905]: config item (null).dscp_event is 0 
ptp4l[2209.905]: config item (null).dscp_general is 0 
ptp4l[2209.905]: selected local clock f01faf.fffe.6bb217 as best master 
ptp4l[2210.461]: port 1: unicast request timeout 
ptp4l[2212.281]: selected best master clock 001747.fffe.700d6b 
ptp4l[2212.281]: updating UTC offset to 37 
ptp4l[2212.281]: port 1: LISTENING to UNCALIBRATED on RS_SLAVE 
ptp4l[2213.207]: port 1: delay timeout 
ptp4l[2214.359]: port 1: delay timeout 
ptp4l[2214.461]: port 1: unicast request timeout 
ptp4l[2214.464]: port 1: unicast SYNC granted for 60 sec 
ptp4l[2214.464]: PI servo: sync interval 1.000 kp 0.700 ki 0.300000 
ptp4l[2214.464]: port 1: unicast DELAY_RESP granted for 60 sec 
ptp4l[2214.946]: port 1: delay timeout 
ptp4l[2215.815]: port 1: delay timeout 
ptp4l[2215.822]: negative delay   -1297238 
ptp4l[2215.822]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[2215.822]: t2 - t3 = -417827899 
ptp4l[2215.822]: t4 - t1 = +415233423 
ptp4l[2215.822]: rr = 1.000000000 
ptp4l[2215.822]: delay   filtered   -1297238   raw   -1297238 
ptp4l[2217.794]: port 1: delay timeout 
ptp4l[2218.415]: port 1: UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED 
ptp4l[2218.462]: port 1: unicast request timeout 
ptp4l[2218.774]: port 1: delay timeout 
ptp4l[2218.777]: delay   filtered    -643663   raw       9911 
ptp4l[2220.099]: port 1: delay timeout 
ptp4l[2220.105]: negative delay    -218981 
ptp4l[2220.105]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[2220.105]: t2 - t3 = -694935009 
ptp4l[2220.105]: t4 - t1 = +694497046 
ptp4l[2220.105]: rr = 1.000000000 
ptp4l[2220.105]: delay   filtered    -218981   raw    -218981 
ptp4l[2221.578]: port 1: delay timeout 
ptp4l[2221.581]: negative delay     -12246 
ptp4l[2221.581]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[2221.581]: t2 - t3 = -168193308 
ptp4l[2221.581]: t4 - t1 = +168168815 
ptp4l[2221.581]: rr = 1.000000000 
ptp4l[2221.581]: delay   filtered    -115613   raw     -12246 
ptp4l[2222.463]: port 1: unicast request timeout 
ptp4l[2223.000]: port 1: delay timeout 
ptp4l[2223.006]: negative delay     -13408 
ptp4l[2223.006]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[2223.006]: t2 - t3 = -589879923 
ptp4l[2223.006]: t4 - t1 = +589853107 
ptp4l[2223.006]: rr = 1.000000000 
ptp4l[2223.006]: delay   filtered     -13408   raw     -13408 
ptp4l[2223.637]: port 1: delay timeout 
ptp4l[2223.642]: negative delay      -3999 
ptp4l[2223.642]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[2223.642]: t2 - t3 = -226204961 
ptp4l[2223.642]: t4 - t1 = +226196962 
ptp4l[2223.642]: rr = 1.000000000 
ptp4l[2223.642]: delay   filtered     -12827   raw      -3999 
ptp4l[2224.493]: port 1: delay timeout 
ptp4l[2224.500]: delay   filtered     -12246   raw       1962 
ptp4l[2226.221]: port 1: delay timeout 
ptp4l[2226.227]: delay   filtered      -8122   raw      23808 
ptp4l[2226.464]: port 1: unicast request timeout 
ptp4l[2227.008]: port 1: delay timeout 
ptp4l[2227.015]: delay   filtered      -3999   raw      12684 
ptp4l[2228.121]: port 1: delay timeout 
ptp4l[2228.127]: delay   filtered      -1018   raw       8018 
ptp4l[2229.859]: port 1: delay timeout 
ptp4l[2229.865]: delay   filtered       1689   raw       1417 
ptp4l[2230.464]: port 1: unicast request timeout 
ptp4l[2231.415]: rms 1575395476 max 4459018340 freq -468460 +/- 1507834 delay -211402 +/- 389338 
ptp4l[2231.756]: port 1: delay timeout 
ptp4l[2231.760]: delay   filtered        853   raw        289 
ptp4l[2231.857]: port 1: delay timeout 
ptp4l[2231.861]: delay   filtered        853   raw        284 
ptp4l[2233.739]: port 1: delay timeout 
ptp4l[2233.745]: delay   filtered        903   raw        389 
ptp4l[2234.390]: port 1: delay timeout 
ptp4l[2234.396]: delay   filtered        957   raw        498 
ptp4l[2234.465]: port 1: unicast request timeout 
ptp4l[2236.108]: port 1: delay timeout 
ptp4l[2236.115]: delay   filtered        957   raw        299 
ptp4l[2238.067]: port 1: delay timeout 
ptp4l[2238.072]: delay   filtered        443   raw        327 
ptp4l[2238.466]: port 1: unicast request timeout 
ptp4l[2238.653]: port 1: delay timeout 
ptp4l[2238.659]: delay   filtered        386   raw        383 
ptp4l[2238.978]: port 1: delay timeout 
ptp4l[2238.981]: delay   filtered        386   raw        467 
ptp4l[2239.530]: port 1: delay timeout 
ptp4l[2239.536]: delay   filtered        360   raw        338 
ptp4l[2239.766]: port 1: delay timeout 
ptp4l[2239.772]: delay   filtered        349   raw        360 
ptp4l[2240.075]: port 1: delay timeout 
ptp4l[2240.080]: delay   filtered        371   raw        392 
ptp4l[2240.985]: port 1: delay timeout 
ptp4l[2240.990]: delay   filtered        371   raw        333 
ptp4l[2242.467]: port 1: unicast request timeout 
ptp4l[2242.772]: port 1: delay timeout 
ptp4l[2242.778]: delay   filtered        349   raw        319 
ptp4l[2243.753]: port 1: delay timeout 
ptp4l[2243.757]: delay   filtered        335   raw        328 
ptp4l[2244.772]: port 1: delay timeout 
ptp4l[2244.779]: delay   filtered        335   raw        331 
ptp4l[2246.467]: port 1: unicast request timeout 
ptp4l[2246.609]: port 1: delay timeout 
ptp4l[2246.615]: delay   filtered        335   raw        322 
ptp4l[2247.442]: rms  328 max 1132 freq    -18 +/- 247 delay   534 +/- 253 
ptp4l[2247.605]: port 1: delay timeout 
ptp4l[2247.612]: delay   filtered        332   raw        329 
ptp4l[2248.229]: port 1: delay timeout 
ptp4l[2248.233]: delay   filtered        330   raw        322 
ptp4l[2248.630]: port 1: delay timeout 
ptp4l[2248.636]: delay   filtered        329   raw        329 
ptp4l[2248.990]: port 1: delay timeout 
ptp4l[2248.997]: delay   filtered        328   raw        328 
ptp4l[2250.184]: port 1: delay timeout 
ptp4l[2250.190]: delay   filtered        328   raw        319 
ptp4l[2250.190]: port 1: delay timeout 
ptp4l[2250.192]: delay   filtered        325   raw        319 
ptp4l[2250.467]: port 1: unicast request timeout 
ptp4l[2251.733]: port 1: delay timeout 
ptp4l[2251.738]: delay   filtered        328   raw        330 
ptp4l[2253.618]: port 1: delay timeout 
ptp4l[2253.627]: delay   filtered        328   raw        332 
ptp4l[2254.467]: port 1: unicast request timeout 
ptp4l[2254.467]: port 1: time to renew unicast subscriptions 
ptp4l[2254.468]: port 1: unicast ANNOUNCE granted for 60 sec 
ptp4l[2254.468]: port 1: renewal timeout at 2299 
ptp4l[2254.468]: port 1: unicast SYNC granted for 60 sec 
ptp4l[2254.468]: port 1: unicast DELAY_RESP granted for 60 sec 
ptp4l[2255.563]: port 1: delay timeout 
ptp4l[2255.568]: delay   filtered        326   raw        324 
ptp4l[2257.389]: port 1: delay timeout 
ptp4l[2257.392]: delay   filtered        326   raw        293 
ptp4l[2257.475]: port 1: delay timeout 
ptp4l[2257.479]: delay   filtered        326   raw        330 
ptp4l[2257.887]: port 1: delay timeout 
ptp4l[2257.893]: delay   filtered        326   raw        325 
ptp4l[2258.469]: port 1: unicast request timeout 
ptp4l[2259.726]: port 1: delay timeout 
ptp4l[2259.731]: delay   filtered        326   raw        330 
ptp4l[2260.689]: port 1: delay timeout 
ptp4l[2260.695]: delay   filtered        327   raw        331 
ptp4l[2261.408]: port 1: delay timeout 
ptp4l[2261.412]: delay   filtered        330   raw        341 
ptp4l[2262.469]: port 1: unicast request timeout 
ptp4l[2263.281]: port 1: delay timeout 
ptp4l[2263.286]: delay   filtered        330   raw        328 
ptp4l[2263.467]: rms   28 max   69 freq   -109 +/-  26 delay   328 +/-   2 
ptp4l[2263.785]: port 1: delay timeout 
ptp4l[2263.790]: delay   filtered        330   raw        335 
ptp4l[2264.290]: port 1: delay timeout 
ptp4l[2264.294]: delay   filtered        330   raw        345 
ptp4l[2264.904]: port 1: delay timeout 
ptp4l[2264.912]: delay   filtered        330   raw        333 
ptp4l[2266.470]: port 1: unicast request timeout 
ptp4l[2266.677]: port 1: delay timeout 
ptp4l[2266.686]: delay   filtered        331   raw        331 
ptp4l[2268.129]: port 1: delay timeout 
ptp4l[2268.139]: delay   filtered        332   raw        338 
ptp4l[2268.898]: port 1: delay timeout 
ptp4l[2268.904]: delay   filtered        334   raw        337 
ptp4l[2270.470]: port 1: unicast request timeout 
ptp4l[2270.750]: port 1: delay timeout 
ptp4l[2270.755]: delay   filtered        334   raw        327 
ptp4l[2272.182]: port 1: delay timeout 
ptp4l[2272.189]: delay   filtered        334   raw        316 
ptp4l[2273.228]: port 1: delay timeout 
ptp4l[2273.235]: delay   filtered        332   raw        321 
ptp4l[2274.202]: port 1: delay timeout 
ptp4l[2274.209]: delay   filtered        332   raw        332 
ptp4l[2274.471]: port 1: unicast request timeout 
ptp4l[2274.542]: port 1: delay timeout 
ptp4l[2274.545]: delay   filtered        331   raw        325 
ptp4l[2275.624]: port 1: delay timeout 
ptp4l[2275.632]: delay   filtered        330   raw        329 
ptp4l[2275.907]: port 1: delay timeout 
ptp4l[2275.913]: delay   filtered        328   raw        324 
ptp4l[2277.362]: port 1: delay timeout 
ptp4l[2277.368]: delay   filtered        328   raw        340 
ptp4l[2277.546]: port 1: delay timeout 
ptp4l[2277.551]: delay   filtered        328   raw        331 
ptp4l[2278.472]: port 1: unicast request timeout 
ptp4l[2279.087]: port 1: delay timeout 
ptp4l[2279.093]: delay   filtered        326   raw        319 
ptp4l[2279.109]: port 1: delay timeout 
ptp4l[2279.114]: delay   filtered        324   raw        323 
ptp4l[2279.497]: rms   28 max   56 freq   -131 +/-  26 delay   330 +/-   3 
ptp4l[2281.060]: port 1: delay timeout 
ptp4l[2281.065]: delay   filtered        325   raw        326 
ptp4l[2281.155]: port 1: delay timeout 
ptp4l[2281.160]: delay   filtered        325   raw        322 
ptp4l[2281.823]: port 1: delay timeout 
ptp4l[2281.830]: delay   filtered        325   raw        325 
ptp4l[2281.978]: port 1: delay timeout 
ptp4l[2281.986]: delay   filtered        325   raw        329 
ptp4l[2282.472]: port 1: unicast request timeout 
ptp4l[2283.705]: port 1: delay timeout 
ptp4l[2283.712]: delay   filtered        325   raw        328 
ptp4l[2284.364]: port 1: delay timeout 
ptp4l[2284.370]: delay   filtered        325   raw        324 
ptp4l[2284.704]: port 1: delay timeout 
ptp4l[2284.709]: delay   filtered        324   raw        323 
ptp4l[2285.135]: port 1: delay timeout 
ptp4l[2285.141]: delay   filtered        323   raw        321 
ptp4l[2285.924]: port 1: delay timeout 
ptp4l[2285.931]: delay   filtered        323   raw        323 
ptp4l[2286.070]: port 1: delay timeout 
ptp4l[2286.075]: delay   filtered        323   raw        322 
ptp4l[2286.473]: port 1: unicast request timeout 
ptp4l[2287.269]: port 1: delay timeout 
ptp4l[2287.276]: delay   filtered        323   raw        334 
ptp4l[2289.266]: port 1: delay timeout 
ptp4l[2289.272]: delay   filtered        324   raw        326 
ptp4l[2290.474]: port 1: unicast request timeout 
ptp4l[2290.557]: port 1: delay timeout 
ptp4l[2290.562]: delay   filtered        325   raw        328 
ptp4l[2291.510]: port 1: delay timeout 
ptp4l[2291.516]: delay   filtered        325   raw        331 
ptp4l[2291.775]: port 1: delay timeout 
ptp4l[2291.781]: delay   filtered        325   raw        331 
ptp4l[2293.154]: port 1: delay timeout 
ptp4l[2293.160]: delay   filtered        327   raw        329 
ptp4l[2294.475]: port 1: unicast request timeout 
ptp4l[2294.501]: port 1: delay timeout 
ptp4l[2294.506]: delay   filtered        328   raw        332 
ptp4l[2295.527]: rms    9 max   16 freq   -124 +/-   9 delay   325 +/-   1 
ptp4l[2295.670]: port 1: delay timeout 
ptp4l[2295.676]: delay   filtered        328   raw        327 
ptp4l[2295.924]: port 1: delay timeout 
ptp4l[2295.931]: delay   filtered        330   raw        333 
ptp4l[2297.769]: port 1: delay timeout 
ptp4l[2297.776]: delay   filtered        330   raw        324 
ptp4l[2298.475]: port 1: unicast request timeout 
ptp4l[2299.342]: port 1: delay timeout 
ptp4l[2299.349]: delay   filtered        328   raw        318 
ptp4l[2300.001]: port 1: delay timeout 
ptp4l[2300.007]: delay   filtered        330   raw        335 
ptp4l[2301.855]: port 1: delay timeout 
ptp4l[2301.861]: delay   filtered        331   raw        334 
ptp4l[2302.476]: port 1: unicast request timeout 
ptp4l[2302.476]: port 1: time to renew unicast subscriptions 
ptp4l[2302.479]: port 1: unicast ANNOUNCE granted for 60 sec 
ptp4l[2302.479]: port 1: renewal timeout at 2347 
ptp4l[2302.479]: port 1: unicast SYNC granted for 60 sec 
ptp4l[2302.479]: port 1: unicast DELAY_RESP granted for 60 sec 
ptp4l[2303.181]: port 1: delay timeout 
ptp4l[2303.188]: delay   filtered        330   raw        324 
ptp4l[2304.868]: port 1: delay timeout 
ptp4l[2304.877]: delay   filtered        328   raw        326 
ptp4l[2305.534]: port 1: delay timeout 
ptp4l[2305.544]: delay   filtered        326   raw        325 
ptp4l[2305.559]: port 1: delay timeout 
ptp4l[2305.563]: delay   filtered        326   raw        330 
ptp4l[2306.477]: port 1: unicast request timeout 
ptp4l[2306.751]: port 1: delay timeout 
ptp4l[2306.757]: delay   filtered        328   raw        332 
ptp4l[2307.565]: port 1: delay timeout 
ptp4l[2307.570]: delay   filtered        327   raw        328 
ptp4l[2308.900]: port 1: delay timeout 
ptp4l[2308.904]: delay   filtered        327   raw        323 
ptp4l[2309.574]: port 1: delay timeout 
ptp4l[2309.578]: delay   filtered        327   raw        327 
ptp4l[2310.478]: port 1: unicast request timeout 
ptp4l[2310.904]: port 1: delay timeout 
ptp4l[2310.909]: delay   filtered        327   raw        328 
ptp4l[2311.552]: rms   15 max   30 freq   -117 +/-  14 delay   328 +/-   2


No change to config, simply connecting to GM through a dumb Ethernet Switch which in plain 1588 mode results in a offset from master delay of typically +/- 300 range.

root@imx8mmevk:/etc/linuxptp# ptp4l -f ./ptp4l.conf_works_with_e2e_trying_stuff -i lan1 -m -q -l7                                                                                                                                                                
ptp4l[1453.919]: config item (null).assume_two_step is 0 
ptp4l[1453.920]: config item (null).check_fup_sync is 0 
ptp4l[1453.920]: config item (null).tx_timestamp_timeout is 300 
ptp4l[1453.920]: config item (null).clock_servo is 0 
ptp4l[1453.920]: config item (null).clock_type is 32768 
ptp4l[1453.920]: config item (null).clock_servo is 0 
ptp4l[1453.920]: config item (null).clockClass is 248 
ptp4l[1453.920]: config item (null).clockAccuracy is 254 
ptp4l[1453.920]: config item (null).offsetScaledLogVariance is 65535 
ptp4l[1453.920]: config item (null).productDescription is ';;' 
ptp4l[1453.920]: config item (null).revisionData is ';;' 
ptp4l[1453.920]: config item (null).userDescription is ';' 
ptp4l[1453.920]: config item (null).manufacturerIdentity is '00:00:00' 
ptp4l[1453.920]: config item (null).domainNumber is 44 
ptp4l[1453.920]: config item (null).slaveOnly is 1 
ptp4l[1453.920]: config item (null).gmCapable is 1 
ptp4l[1453.920]: config item (null).gmCapable is 1 
ptp4l[1453.920]: config item (null).G.8275.defaultDS.localPriority is 128 
ptp4l[1453.920]: config item (null).time_stamping is 4 
ptp4l[1453.920]: config item (null).twoStepFlag is 1 
ptp4l[1453.920]: one step mode implies twoStepFlag=0, clearing twoStepFlag to match 
ptp4l[1453.920]: locked item global.twoStepFlag as 0 
ptp4l[1453.920]: config item (null).twoStepFlag is 0 
ptp4l[1453.920]: config item (null).time_stamping is 4 
ptp4l[1453.920]: config item (null).priority1 is 128 
ptp4l[1453.920]: config item (null).priority2 is 128 
ptp4l[1453.920]: interface index 3 is up 
ptp4l[1453.920]: config item (null).free_running is 0 
ptp4l[1453.920]: selected /dev/ptp1 as PTP clock 
ptp4l[1453.920]: config item (null).uds_address is '/var/run/ptp4l' 
ptp4l[1453.920]: section item /var/run/ptp4l.announceReceiptTimeout now 0 
ptp4l[1453.920]: section item /var/run/ptp4l.delay_mechanism now 0 
ptp4l[1453.920]: section item /var/run/ptp4l.network_transport now 0 
ptp4l[1453.920]: section item /var/run/ptp4l.delay_filter_length now 1 
ptp4l[1453.920]: config item (null).free_running is 0 
ptp4l[1453.920]: config item (null).freq_est_interval is 1 
ptp4l[1453.920]: config item (null).gmCapable is 1 
ptp4l[1453.920]: config item (null).kernel_leap is 1 
ptp4l[1453.920]: config item (null).utc_offset is 37 
ptp4l[1453.920]: config item (null).timeSource is 160 
ptp4l[1453.922]: config item (null).pi_proportional_const is 0.000000 
ptp4l[1453.922]: config item (null).pi_integral_const is 0.000000 
ptp4l[1453.922]: config item (null).pi_proportional_scale is 0.000000 
ptp4l[1453.922]: config item (null).pi_proportional_exponent is -0.300000 
ptp4l[1453.922]: config item (null).pi_proportional_norm_max is 0.700000 
ptp4l[1453.922]: config item (null).pi_integral_scale is 0.000000 
ptp4l[1453.922]: config item (null).pi_integral_exponent is 0.400000 
ptp4l[1453.922]: config item (null).pi_integral_norm_max is 0.300000 
ptp4l[1453.922]: config item (null).step_threshold is 0.000000 
ptp4l[1453.922]: config item (null).first_step_threshold is 0.000020 
ptp4l[1453.922]: config item (null).max_frequency is 900000000 
ptp4l[1453.922]: config item (null).dataset_comparison is 1 
ptp4l[1453.922]: config item (null).tsproc_mode is 0 
ptp4l[1453.922]: config item (null).delay_filter is 1 
ptp4l[1453.922]: config item (null).delay_filter_length is 10 
ptp4l[1453.922]: config item (null).initial_delay is 0 
ptp4l[1453.922]: config item (null).summary_interval is 4 
ptp4l[1453.922]: config item (null).sanity_freq_limit is 200000000 
ptp4l[1453.922]: PI servo: sync interval 1.000 kp 0.700 ki 0.300000 
ptp4l[1453.922]: config item /var/run/ptp4l.boundary_clock_jbod is 0 
ptp4l[1453.922]: config item /var/run/ptp4l.network_transport is 0 
ptp4l[1453.922]: config item /var/run/ptp4l.delayAsymmetry is 0 
ptp4l[1453.922]: config item /var/run/ptp4l.follow_up_info is 0 
ptp4l[1453.922]: config item /var/run/ptp4l.freq_est_interval is 1 
ptp4l[1453.922]: config item /var/run/ptp4l.net_sync_monitor is 0 
ptp4l[1453.922]: config item /var/run/ptp4l.path_trace_enabled is 0 
ptp4l[1453.922]: config item /var/run/ptp4l.tc_spanning_tree is 0 
ptp4l[1454.312]: config item /var/run/ptp4l.ingressLatency is 0 
ptp4l[1454.312]: config item /var/run/ptp4l.egressLatency is 0 
ptp4l[1454.312]: config item /var/run/ptp4l.delay_mechanism is 0 
ptp4l[1454.312]: config item /var/run/ptp4l.hybrid_e2e is 1 
ptp4l[1454.312]: port 0: hybrid_e2e only works with E2E 
ptp4l[1454.312]: config item /var/run/ptp4l.fault_badpeernet_interval is 16 
ptp4l[1454.312]: config item /var/run/ptp4l.fault_reset_interval is 4 
ptp4l[1454.312]: config item /var/run/ptp4l.tsproc_mode is 0 
ptp4l[1454.312]: config item /var/run/ptp4l.delay_filter is 1 
ptp4l[1454.312]: config item /var/run/ptp4l.delay_filter_length is 1 
ptp4l[1454.312]: config item lan1.boundary_clock_jbod is 0 
ptp4l[1454.312]: config item lan1.network_transport is 1 
ptp4l[1454.312]: config item lan1.delayAsymmetry is 0 
ptp4l[1454.312]: config item lan1.follow_up_info is 0 
ptp4l[1454.312]: config item lan1.freq_est_interval is 1 
ptp4l[1454.312]: config item lan1.net_sync_monitor is 0 
ptp4l[1454.312]: config item lan1.path_trace_enabled is 0 
ptp4l[1454.312]: config item lan1.tc_spanning_tree is 0 
ptp4l[1454.312]: config item lan1.ingressLatency is 0 
ptp4l[1454.312]: config item lan1.egressLatency is 0 
ptp4l[1454.312]: config item lan1.delay_mechanism is 1 
ptp4l[1454.312]: config item lan1.unicast_master_table is 1 
ptp4l[1454.312]: config item lan1.unicast_req_duration is 60 
ptp4l[1454.312]: section item lan1.hybrid_e2e now 1 
ptp4l[1454.312]: config item lan1.unicast_listen is 1 
ptp4l[1454.312]: section item lan1.hybrid_e2e now 1 
ptp4l[1454.312]: config item lan1.inhibit_multicast_service is 1 
ptp4l[1454.312]: config item lan1.hybrid_e2e is 1 
ptp4l[1454.312]: config item lan1.fault_badpeernet_interval is 16 
ptp4l[1454.312]: config item lan1.fault_reset_interval is 4 
ptp4l[1454.312]: config item lan1.tsproc_mode is 0 
ptp4l[1454.312]: config item lan1.delay_filter is 1 
ptp4l[1454.312]: config item lan1.delay_filter_length is 10 
ptp4l[1454.312]: config item lan1.logMinDelayReqInterval is 0 
ptp4l[1454.312]: config item lan1.logAnnounceInterval is 1 
ptp4l[1454.312]: config item lan1.announceReceiptTimeout is 3 
ptp4l[1454.312]: config item lan1.syncReceiptTimeout is 0 
ptp4l[1454.312]: config item lan1.transportSpecific is 0 
ptp4l[1454.312]: config item lan1.ignore_transport_specific is 0 
ptp4l[1454.313]: config item lan1.masterOnly is 0 
ptp4l[1454.313]: config item lan1.G.8275.portDS.localPriority is 128 
ptp4l[1454.313]: config item lan1.logSyncInterval is 0 
ptp4l[1454.313]: config item lan1.logMinPdelayReqInterval is 0 
ptp4l[1454.313]: config item lan1.neighborPropDelayThresh is 20000000 
ptp4l[1454.313]: config item lan1.min_neighbor_prop_delay is -20000000 
ptp4l[1454.313]: config item lan1.udp_ttl is 1 
ptp4l[1454.313]: config item (null).dscp_event is 0 
ptp4l[1454.313]: config item (null).dscp_general is 0 
ptp4l[1454.313]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE 
ptp4l[1454.313]: config item /var/run/ptp4l.logMinDelayReqInterval is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.logAnnounceInterval is 1 
ptp4l[1454.313]: config item /var/run/ptp4l.announceReceiptTimeout is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.syncReceiptTimeout is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.transportSpecific is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.ignore_transport_specific is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.masterOnly is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.G.8275.portDS.localPriority is 128 
ptp4l[1454.313]: config item /var/run/ptp4l.logSyncInterval is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.logMinPdelayReqInterval is 0 
ptp4l[1454.313]: config item /var/run/ptp4l.neighborPropDelayThresh is 20000000 
ptp4l[1454.313]: config item /var/run/ptp4l.min_neighbor_prop_delay is -20000000 
ptp4l[1454.313]: config item (null).uds_address is '/var/run/ptp4l' 
ptp4l[1454.699]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE 
ptp4l[1454.699]: port 1: received link status notification 
ptp4l[1454.699]: interface index 3 is up 
ptp4l[1458.314]: port 1: unicast request timeout 
ptp4l[1461.004]: port 1: announce timeout 
ptp4l[1461.004]: config item lan1.udp_ttl is 1 
ptp4l[1461.004]: config item (null).dscp_event is 0 
ptp4l[1461.004]: config item (null).dscp_general is 0 
ptp4l[1461.004]: selected local clock f01faf.fffe.6bb217 as best master 
ptp4l[1461.017]: port 1: setting asCapable 
ptp4l[1461.017]: port 1: unicast ANNOUNCE granted for 60 sec 
ptp4l[1461.017]: port 1: renewal timeout at 1506 
ptp4l[1461.483]: port 1: new foreign master 001747.fffe.700d6b-1 
ptp4l[1462.315]: port 1: unicast request timeout 
ptp4l[1465.518]: selected best master clock 001747.fffe.700d6b 
ptp4l[1465.518]: updating UTC offset to 37 
ptp4l[1465.518]: port 1: LISTENING to UNCALIBRATED on RS_SLAVE 
ptp4l[1465.629]: port 1: delay timeout 
ptp4l[1466.316]: port 1: unicast request timeout 
ptp4l[1466.317]: port 1: unicast SYNC granted for 60 sec 
ptp4l[1466.317]: PI servo: sync interval 1.000 kp 0.700 ki 0.300000 
ptp4l[1466.323]: port 1: unicast DELAY_RESP granted for 60 sec 
ptp4l[1466.601]: port 1: delay timeout 
ptp4l[1467.774]: port 1: delay timeout 
ptp4l[1467.781]: delay   filtered  586592254   raw  586592254 
ptp4l[1467.781]: delay   filtered  293301809   raw      11365 
ptp4l[1468.016]: port 1: delay timeout 
ptp4l[1468.671]: port 1: delay timeout 
ptp4l[1468.677]: delay   filtered  327646218   raw  327646218 
ptp4l[1468.677]: delay   filtered  163828948   raw      11679 
ptp4l[1469.076]: port 1: delay timeout 
ptp4l[1469.244]: port 1: delay timeout 
ptp4l[1469.250]: delay   filtered   83689355   raw   83689355 
ptp4l[1469.250]: delay   filtered   41850523   raw      11692 
ptp4l[1469.746]: port 1: delay timeout 
ptp4l[1470.317]: port 1: unicast request timeout 
ptp4l[1470.642]: port 1: UNCALIBRATED to SLAVE on MASTER_CLOCK_SELECTED 
ptp4l[1471.684]: port 1: delay timeout 
ptp4l[1471.689]: delay   filtered   83689355   raw  966210755 
ptp4l[1471.689]: negative delay     -32554 
ptp4l[1471.689]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1471.689]: t2 - t3 =  -52777133 
ptp4l[1471.689]: t4 - t1 =  +52712024 
ptp4l[1471.689]: rr = 1.000000000 
ptp4l[1471.689]: delay   filtered   41850523   raw     -32554 
ptp4l[1473.228]: port 1: delay timeout 
ptp4l[1474.317]: port 1: unicast request timeout 
ptp4l[1474.849]: port 1: delay timeout 
ptp4l[1474.856]: delay   filtered   83689355   raw  811572595 
ptp4l[1474.856]: negative delay     -66841 
ptp4l[1474.856]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1474.856]: t2 - t3 = -208116209 
ptp4l[1474.856]: t4 - t1 = +207982526 
ptp4l[1474.856]: rr = 1.000000000 
ptp4l[1474.856]: delay   filtered   41850523   raw     -66841 
ptp4l[1475.917]: port 1: delay timeout 
ptp4l[1476.592]: port 1: delay timeout 
ptp4l[1476.599]: delay   filtered   41850523   raw  337574888 
ptp4l[1476.599]: negative delay    -155040 
ptp4l[1476.599]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1476.599]: t2 - t3 = -949749007 
ptp4l[1476.599]: t4 - t1 = +949438927 
ptp4l[1476.599]: rr = 1.000000000 
ptp4l[1476.599]: delay   filtered   41850523   raw    -155040 
ptp4l[1476.696]: port 1: delay timeout 
ptp4l[1477.728]: port 1: delay timeout 
ptp4l[1477.736]: delay   filtered   41850523   raw  515893613 
ptp4l[1477.736]: delay   filtered   41850523   raw       9953 
ptp4l[1477.862]: port 1: delay timeout 
ptp4l[1477.931]: delay   filtered   16849688   raw   33687685 
ptp4l[1478.107]: port 1: delay timeout 
ptp4l[1478.216]: port 1: delay timeout 
ptp4l[1478.223]: delay   filtered   44287985   raw   54888286 
ptp4l[1478.223]: delay   filtered   16848819   raw       4394 
ptp4l[1478.318]: port 1: unicast request timeout 
ptp4l[1479.040]: port 1: delay timeout 
ptp4l[1480.716]: port 1: delay timeout 
ptp4l[1480.722]: delay   filtered   44287985   raw  832774340 
ptp4l[1480.722]: delay   filtered   16949778   raw     211872 
ptp4l[1482.319]: port 1: unicast request timeout 
ptp4l[1482.348]: port 1: delay timeout 
ptp4l[1483.028]: port 1: delay timeout 
ptp4l[1483.035]: delay   filtered   44287985   raw  339192371 
ptp4l[1483.035]: delay   filtered   17026765   raw     365846 
ptp4l[1483.632]: port 1: delay timeout 
ptp4l[1483.660]: rms 74606676 max 293289742 freq +1661797 +/- 3191722 delay 100758570 +/- 136523429 
ptp4l[1485.378]: port 1: delay timeout 
ptp4l[1485.384]: delay   filtered   44287985   raw  873060779 
ptp4l[1485.384]: negative delay    -197067 
ptp4l[1485.384]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1485.384]: t2 - t3 = -718441262 
ptp4l[1485.384]: t4 - t1 = +718047128 
ptp4l[1485.384]: rr = 1.000000000 
ptp4l[1485.384]: delay   filtered   17026765   raw    -197067 
ptp4l[1486.222]: port 1: delay timeout 
ptp4l[1486.320]: port 1: unicast request timeout 
ptp4l[1486.373]: port 1: delay timeout 
ptp4l[1486.377]: delay   filtered   44287985   raw   75139673 
ptp4l[1486.377]: negative delay    -184864 
ptp4l[1486.377]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1486.377]: t2 - t3 = -712094343 
ptp4l[1486.377]: t4 - t1 = +711724614 
ptp4l[1486.377]: rr = 1.000000000 
ptp4l[1486.377]: delay   filtered   27627066   raw    -184864 
ptp4l[1487.383]: port 1: delay timeout 
ptp4l[1487.690]: port 1: delay timeout 
ptp4l[1487.694]: delay   filtered   37752759   raw  154067473 
ptp4l[1487.694]: negative delay     -55550 
ptp4l[1487.694]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1487.694]: t2 - t3 =  -26517921 
ptp4l[1487.694]: t4 - t1 =  +26406820 
ptp4l[1487.694]: rr = 1.000000000 
ptp4l[1487.694]: delay   filtered   37752759   raw     -55550 
ptp4l[1488.630]: port 1: delay timeout 
ptp4l[1490.024]: port 1: delay timeout 
ptp4l[1490.032]: delay   filtered   37752759   raw  700070795 
ptp4l[1490.032]: negative delay    -955624 
ptp4l[1490.032]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1490.032]: t2 - t3 = -359988294 
ptp4l[1490.032]: t4 - t1 = +358077046 
ptp4l[1490.032]: rr = 1.000000000 
ptp4l[1490.032]: delay   filtered   37752759   raw    -955624 
ptp4l[1490.321]: port 1: unicast request timeout 
ptp4l[1491.873]: port 1: delay timeout 
ptp4l[1491.903]: port 1: delay timeout 
ptp4l[1491.909]: delay   filtered    7565592   raw   14765338 
ptp4l[1491.909]: delay   filtered    7408672   raw      52007 
ptp4l[1493.249]: port 1: delay timeout 
ptp4l[1493.256]: port 1: delay timeout 
ptp4l[1493.259]: delay   filtered    2615660   raw    5179314 
ptp4l[1493.259]: delay   filtered    3486679   raw    1794044 
ptp4l[1493.823]: port 1: delay timeout 
ptp4l[1493.930]: port 1: delay timeout 
ptp4l[1493.936]: delay   filtered    3486679   raw   54280183 
ptp4l[1493.936]: delay   filtered    3486679   raw     788651 
ptp4l[1494.321]: port 1: unicast request timeout 
ptp4l[1495.529]: port 1: delay timeout 
ptp4l[1496.131]: port 1: delay timeout 
ptp4l[1496.137]: delay   filtered    3486679   raw  300563958 
ptp4l[1496.137]: delay   filtered    3486679   raw    1408041 
ptp4l[1497.973]: port 1: delay timeout 
ptp4l[1498.322]: port 1: unicast request timeout 
ptp4l[1499.036]: port 1: delay timeout 
ptp4l[1499.046]: delay   filtered    3486679   raw  530461571 
ptp4l[1499.046]: delay   filtered    3486679   raw     282917 
ptp4l[1499.691]: rms 14343768 max 32443941 freq +768448 +/- 4572740 delay 18124306 +/- 16613813 
ptp4l[1500.553]: port 1: delay timeout 
ptp4l[1501.249]: port 1: delay timeout 
ptp4l[1501.257]: delay   filtered    3486679   raw  347607418 
ptp4l[1501.257]: negative delay      -6652 
ptp4l[1501.257]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1501.257]: t2 - t3 = -557408431 
ptp4l[1501.257]: t4 - t1 = +557395126 
ptp4l[1501.257]: rr = 1.000000000 
ptp4l[1501.257]: delay   filtered    3486679   raw      -6652 
ptp4l[1502.323]: port 1: unicast request timeout 
ptp4l[1502.745]: port 1: delay timeout 
ptp4l[1504.043]: port 1: delay timeout 
ptp4l[1504.050]: delay   filtered   28037113   raw  649147516 
ptp4l[1504.050]: negative delay      -6484 
ptp4l[1504.050]: delay = (t2 - t3) * rr + (t4 - t1) 
ptp4l[1504.050]: t2 - t3 = -345272128 
ptp4l[1504.050]: t4 - t1 = +345259160 
ptp4l[1504.050]: rr = 1.000000000 
ptp4l[1504.050]: delay   filtered   27844112   raw      -6484 
ptp4l[1505.748]: port 1: delay timeout


Thanks for taking the time to look.

Regards,

Brian

  

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