The earliest recollection of this bug is traced back to PAN-OS 10.2.7-h6 - July 02, 2025.
This bug is fixed in PAN-OS versions 10.2.7-h6, 10.2.7-h6.
Fixed an issue where the all_task and pan_task processes stopped responding, which impacted traffic.
For more information:
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-h6-addressed-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-h6-addressed-issues