Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP AFM, ASM, AVR, FPS, LTM, PEM, SWG, vCMP
Known Affected Versions:
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, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4
Fixed In:
12.1.0
Opened: Mar 09, 2016 Severity: 2-Critical
Under stress traffic tmm can core with the following backtrace: frame 3: in *__GI___assert_fail frame 4 will look like this: .... avr_alloc_segmempool_with_id .. mempool.c:278
Traffic disrupted while tmm restarts.
AVR provision and collecting statistic.
None
Fixed an issue that intermittently caused the TMM to core.