Bug ID 636535: HSB lockup in vCMP guest doesn't generate core file

Last Modified: Jul 18, 2026

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

Known Affected Versions:
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, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Opened: Jan 03, 2017

Severity: 3-Major

Related Article: K24844444

Symptoms

If an HSB lockup occurs in a vCMP guest, the system does not generate a core file.

Impact

Limited ability to diagnose failures due to HSB lockups.

Conditions

HSB lockup, which occur rarely.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips