The earliest recollection of this bug is traced back to PAN-OS 10.2.10 - July 02, 2025. ( PA-3410, PA-3420, PA-3430, PA-3440, PA-5410, PA-5420, and PA-5430 firewalls ) By enabling Lockless QoS feature, a slight degradation in App-ID and Threat performance is expected. ( PA-3410, PA-3420, PA-3430, PA-3440, PA-5410, PA-5420, and PA-5430 firewalls ) By enabling the Lockless QoS feature, a slight degradation in App-ID and Threat performance is expected. For more information: https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-10-known-and-addressed-issues/pan-os-10-2-10-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-11-known-and-addressed-issues/pan-os-10-2-11-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-12-known-and-addressed-issues/pan-os-10-2-12-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-13-known-and-addressed-issues/pan-os-10-2-13-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-14-known-and-addressed-issues/pan-os-10-2-14-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-15-known-and-addressed-issues/pan-os-10-2-15-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-16-known-and-addressed-issues/pan-os-10-2-16-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-5-known-and-addressed-issues/pan-os-10-2-5-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-6-known-and-addressed-issues/pan-os-10-2-6-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-7-known-and-addressed-issues/pan-os-10-2-7-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-known-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-9-known-and-addressed-issues/pan-os-10-2-9-known-issues