Bug ID 599803: TMM accelerated compression incorrectly destroying in-flight contexts.

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0

Fixed In:
12.1.1

Opened: Jun 17, 2016

Severity: 1-Blocking

Symptoms

You see a tmm core while using compression profiles.

Impact

Report of a watchdog event, or an ASSERT generated by the compression layer. Traffic disrupted while tmm restarts.

Conditions

Related to use of hardware compression.

Workaround

Disable accelerated compression using the following command: % tmsh modify sys db compression.strategy value softwareonly.

Fix Information

The system now correctly dispatches cancelled in-flight accelerated compression contexts when cancellation comes while hardware is still actively compressing.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips