Bug ID 594366: Occasional crash of icrd_child when BIG-IP restarts

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP All(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,,,,,,,

Fixed In:
13.0.0, 12.1.4

Opened: May 18, 2016
Severity: 2-Critical
Related Article:


When BIG-IP restarts (bigstart restart), or when restjavad restarts (bigstart restart restjavad), there is an occasional crash of the icrd_child thread.


Occasional crash/SEGV exception.


When BIG-IP restarts (bigstart restart), or when restjavad restarts. No other specific conditions.


Restart restjavad (bigstart restart restjavad). Impact of workaround: The iControl REST API for making queries or modifications is temporarily unavailable while the restjavad service restarts.

Fix Information

Different approach of handling thread termination is implemented. New approach correctly terminates zombie processes and does not cause SEG fault.

Behavior Change