igb & ixgbe - Tx timestamp hang warning and PTP time sync issues
Issue
- igb: Tx timestamp hang warning and PTP time sync issues
- ixgbe: Tx timestamp hang warning and PTP time sync issues
-
PTP shows jumps of +/- 50μs around the same time that igb reports the warning:
kernel: igb 0000:01:00.0: clearing Tx timestamp hang
Environment
- Red Hat Enterprise Linux
- igb module
- PTP
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