Bug ID 557548: TMM can continuously attempt to reset failing Nitrox

Last Modified: May 14, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP All(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

Fixed In:
12.1.0

Opened: Nov 11, 2015
Severity: 3-Major

Symptoms

If a Nitrox crypto accelerator chip fails, TMM will attempt to reset it to clear the failure condition. If the Nitrox failure is permanent, TMM will continuously attempt to reset the Nitrox, adversely impacting traffic flow. You will see errors in /var/log/ltm that say "crit tmm[12809]: 01010025:2: Device error: cn0 device soft resetting"

Impact

Loss of traffic.

Conditions

This occurs when one of the Nitrox crypto accelerator chips fails.

Workaround

None

Fix Information

TMM has been changed to stop trying to reset the Nitrox after 3 attempts.

Behavior Change