Last Modified: Feb 13, 2019
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BIG-IP (all modules)
Known Affected Versions:
11.2.1, 11.3.0, 11.4.0
11.4.1, 11.4.0 HF3, 11.3.0 HF6, 11.2.1 HF11
Opened: May 23, 2013
Related AskF5 Article: K14452
Under periods of heavy traffic load, on fully-provisioned systems with little free memory and compression and/or encryption enabled, TMM may core and the BIG-IP appliance may fail over.
Traffic disrupted while tmm restarts.
This issue can occur on BIG-IP 4000-series or 2000-series appliances that are under heavy traffic or other load resulting in high memory usage, with compression and/or encryption enabled.
Fixed a TMM SIGSEGV crash that can occur on BIG-IP 4000-series or 2000-series platforms that are low on memory and processing heavy amounts of compression and/or encrypted traffic.