Bug ID 505331: SASP Monitor may core

Last Modified: Jan 07, 2026

Affected Product(s):
BIG-IP All(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, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6

Opened: Feb 06, 2015

Severity: 2-Critical

Related Article: K17092

Symptoms

The SASP monitor unexpectedly terminates with a core dump.

Impact

When the monitor cores, a pool member gets marked down, which might lead to an outage.

Conditions

More than one Group Workload Manager (GWM) server, and all servers are down at the same time.

Workaround

None.

Fix Information

SASP monitor no longer cores when multiple Group Workload Manager (GWM) servers are down.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips