Bug ID 676705: Agetty should not run on VE that lack serial port

Last Modified: Aug 19, 2026

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

Known Affected Versions:
12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4, 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, 13.0.0, 13.0.0 hf1, 13.0.0 hf2, 13.0.0 hf3, 13.0.1

Fixed In:
13.1.0, 12.1.4

Opened: Aug 02, 2017

Severity: 3-Major

Symptoms

The init process spawns the /sbin/agetty over and over, filling the log file daemon.log.

Impact

Excessive logging.

Conditions

BIG-IP Virtual Edition without a serial port.

Workaround

Change 'respawn' to 'off' in /etc/init/serial-ttySX.conf.

Fix Information

Serial ports are now correctly detected.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips