Bug ID 2257797: AVRD at 100% CPU due to shared-memory hash table corruption.

Last Modified: Apr 17, 2026

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

Known Affected Versions:
17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1

Opened: Mar 25, 2026

Severity: 3-Major

Symptoms

The AVRD thread intermittently reaches 100% CPU.

Impact

High CPU usage and system performance degrades.

Conditions

The exact conditions are currently unknown. The issue is observed in an Active and Standby setup.

Workaround

Restart TMM on system where CPU spike is observed. Execute the below command on the BIG-IP system: bigstart restart tmm

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips