Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1
Fixed In:
13.1.0, 12.1.3.2, 11.6.3.2
Opened: Aug 15, 2017 Severity: 2-Critical
After a failover in a chassis: - asmlogd CPU 0% on primary slot (which was secondary before the failover). - asmlogd CPU 100% on secondary (which was primary before the failover). Without traffic running through the chassis.
asmlogd CPU shows 100% on secondary (which was primary before the failover), and vice versa.
-- ASM provisioned. -- Chassis with at least two active slots. -- Chassis failover after some traffic was passed through the chassis.
There is no workaround at this time.
The asmlogd process now better handles chassis failovers during which the chassis slots change roles (primary/secondary), so this issue no longer occurs.