Disclaimer

Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 8.1.8-h5

The earliest recollection of this bug is traced back to PAN-OS 8.1 - July 22, 2025. This bug is fixed in PAN-OS versions 8.1.9, 9.1.0. ( PA-3200 Series firewalls only ) There is a rare software issue that causes the dataplane to restart unexpectedly. ( PA-3200 Series firewalls only ) Fixed a rare software issue that caused the dataplane to restart unexpectedly. To leverage this fix, you must run the debug dataplane set pow no-desched yes CLI command (increases CPU utilization). For more information: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-9-addressed-issues https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-release-information/known-issues/known-issues-related-to-pan-os-8-1-releases https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-0-addressed-issues