Bug ID 1366593: HTTPS monitors can fail when multiple bigd processes use the same netHSM

Last Modified: May 29, 2024

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

Known Affected Versions:
15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 15.1.10,,,, 16.1.0, 16.1.1, 16.1.2,,, 16.1.3,,,,,, 16.1.4,,,, 17.1.0,,,, 17.1.1,,,

Opened: Oct 05, 2023

Severity: 3-Major


Monitors going down accompanied by netHSM FIPS errors in /var/log/ltm. Following is an example error: 01960005:3: netHSM: Shared memory error [Failed to fetch result].


Intermittently seeing HTTPS monitors fail for brief periods, causing some pool members to briefly be marked down.


HTTPS monitors having server_ssl profile that is storing a key in netHSM.


Configure bigd to run in single process mode by running the following commands: tmsh modify sys db bigd.numprocs value 1 bigstart restart bigd

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips