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

Last Modified: Jun 20, 2019

Bug Tracker

Affected Product:  See more info
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, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5

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