Bug ID 554609: Kernel panics during boot when RAM spans multiple NUMA nodes.

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.6.0, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 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 HF3, 11.6.1

Opened: Oct 27, 2015

Severity: 2-Critical

Related Article: K87381045

Symptoms

BIG-IP Virtual Edition (VE) crashes in the kernel during early boot.

Impact

Kernel panic during boot.

Conditions

This occurs when the following conditions are met: * VE is running on Hyper-V. * VE RAM is configured in a such a way that it spans multiple NUMA nodes.

Workaround

No workaround.

Fix Information

The kernel now properly aligns memory on multiple NUMA nodes, so there is no kernel panic during boot.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips