Bug ID 725646: TMSH core on v11.5.x or v11.6.x when multiple TMSH instances are spawned and terminated quickly

Last Modified: Mar 21, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(all modules)

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 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, 11.5.2, 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, 11.6.0, 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, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4

Opened: Jun 25, 2018
Severity: 3-Major

Symptoms

TMSH core on v11.5.x or v11.6.x physical appliances

Impact

TMSH is terminated and produces a core file in the /shared/core directory. The BIG-IP system should remain operational.

Conditions

-- Running version 11.5.x or 11.6.x (i.e., does not occur on 12.x or later). -- Physical hardware (i.e., does not occur on BIG-IP Virtual Edition). Multiple instances of TMSH are opened using the following command pattern: tmsh run util bash tmsh run util bash tmsh run util bash tmsh run util bash ... then all of them are quickly terminated by Ctrl-D.

Workaround

Restart TMSH if problem occurred. To prevent the issue from occurring: Do not quickly terminate TMSH instances using Ctrl-D.

Fix Information

None

Behavior Change