Bug ID 746650: Stale packets in HSB transmit queue causes HSB DMA lockup

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 13.1.5, 13.1.5.1

Opened: Oct 11, 2018

Severity: 3-Major

Symptoms

A stale packet in the HSB transmit queue without the packet_ending flag set might cause HSB transmission failure and DMA lockup.

Impact

The HSB transmit failures leads to HSB DMA lockup and impacts traffic.

Conditions

Conditions under which this occurs have not been reproduced.

Workaround

Reboot the unit to recover from the HSB DMA lockup.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips