Last Modified: Feb 14, 2024
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
17.0.0, 17.0.0.1, 17.0.0.2
Fixed In:
17.1.0, 15.1.8
Opened: Sep 13, 2022 Severity: 2-Critical
Crypto and compression yield low throughput. Tmm logs contain the following signature tmm1:<13> localhost notice This QAT device is not compress enabled: 0d:00.0. tmm1:<13> localhost notice This QAT device is not crypto enabled: 0d:00.0.
When this happens, some QAT devices are ignored (not used) and a significant drop in performance occurs for the impacted TMM thread.
-- Deploying tenants with crypto enabled -- Allocating more than 32 vCPUs -- F5QAT driver is used -- Other unknown conditions may contribute to this issue
None
Correctly parse the contents of the /sys/kernel/debug/<device>/dev_cfg file.