Bug ID 551010: Crash on unexpected WAM storage queue state

Last Modified: Jan 07, 2026

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

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 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, 12.0.0, 12.0.0 HF1, 12.0.0 HF2

Fixed In:
12.1.0, 12.0.0 HF3, 11.6.1, 11.5.4 HF2

Opened: Oct 07, 2015

Severity: 3-Major

Symptoms

In rare circumstances WAM may enter an unexpected queue state and crash.

Impact

Crash

Conditions

WAM configured on virtual with request queuing enabled

Workaround

none

Fix Information

Gracefully recover from unexpected WAM storage queue state

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips