Bug ID 529484: Virtual Edition Kernel Panic under load

Last Modified: Oct 07, 2023

Affected Product(s):
BIG-IP MA-VE(all modules)

Known Affected Versions:
11.6.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.1.0, 12.0.0, 11.6.1, 11.5.4 HF2

Opened: Jun 23, 2015

Severity: 3-Major

Symptoms

Virtual Edition instances may crash with a kernel panic under heavy traffic load.

Impact

When the issue occurs the Virtual Edition instance will reboot.

Conditions

Virtual Edition instances passing 10 Gbps of traffic on interfaces that support LRO.

Workaround

Disable LRO on the underlying hypervisor, if possible.

Fix Information

Virtual Edition instances now stays active when instances passing 10 Gbps of traffic on interfaces that support LRO.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips