Bug ID 477769: TMM crash (panic) in AFM pktclass code (Assertion 'classifier ref non-zero' failed.) when virtual server has SPDY or HTTP Prefetching enabled along with AFM Rules.

Last Modified: Oct 01, 2018

Bug Tracker

Affected Product:  See more info
BIG-IP AFM(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, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3

Fixed In:
12.0.0, 11.6.1, 11.6.0 HF4, 11.5.1 HF5

Opened: Sep 03, 2014
Severity: 2-Critical

Symptoms

TMM will crash (panic) in AFM pktclass code with following signature: Assertion 'classifier ref non-zero' failed.

Impact

Traffic disrupted while tmm restarts.

Conditions

For this to happen, following conditions must be met: - AFM is enabled. - Virtual Server has AFM Rules (policy). - Either SPDY profile OR HTTP prefetching enabled. - Then the AFM Rule (policy) on this Virtual Server is modified.

Workaround

None.

Fix Information

TMM crash (panic) is fixed now and TMM no longer panics in scenarios with SPDY or HTTP Prefetching enabled.

Behavior Change