Last Modified: Jul 18, 2026
Affected Product(s):
BIG-IP All
Known Affected Versions:
11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1
Fixed In:
11.6.0, 11.5.3
Opened: Jul 17, 2014 Severity: 2-Critical Related Article:
K16529
Due to mixed traffic in the same ring, heartbeat message might not be received in time and therefore system report DMA RX lockup after a period of time.
TMM restart and report HSB DMA RX lockup
Mixed traffic stressing into DMA ring 0 and have impacts to heartbeat healthy messages.
None.
The false positive report of RX HSB DMA lockup had been eliminated as long as the ring is moving.