starlingx/docs
Code Issues Proposed changes
docs/doc/source/system_configuration/kubernetes/ptp-limitations-64338c74b415.rst
Ron Stone 3b8299cf2c PTP GNSS and SyncE Support (dsR6*) 
Updates/additions to:
-System Config PTP section
-Guest Integration
-Admin Tasks
-Updates and Upgrades
Additional examples for T-BC
Incorporated patchset 3 review comments.
Added Limitations section.
Integrated patchset 5 comments.
Remove PTP Instance Removal - moved to RNs.

*Do not pick 100.019 alarm update to r6

Story: 2009130

Signed-off-by: Ron Stone <ronald.stone@windriver.com>
Change-Id: Ibdf449fe1d7282302d9be6d90e1c1b6dd70456b4
2022-03-30 17:34:41 +00:00

740 B
Raw Blame History

PTP Limitations

NICs using the Intel ICE NIC driver may report the following in the ptp4l logs, which might coincide with a |PTP| port switching to FAULTY` before re-initializing.

ptp4l[80330.489]: timed out while polling for tx timestamp
ptp4l[80330.489]: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug

This is due to a limitation of the Intel ICE driver. The recommended workaround is to set the tx_timestamp_timeout parameter to 700 (ms) in the ptp4l config.

~(keystone_admin)]$ system ptp-instance-parameter-add ptp-inst1 tx_timestamp_timeout=700