PA-VM deployed on KVM keeps rebooting and ends up in maintenance mode

PA-VM deployed on KVM keeps rebooting and ends up in maintenance mode

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Created On 07/01/20 22:46 PM - Last Modified 09/16/20 14:53 PM


Symptom


  • Newly deployed PA-VM on KVM (RedHat kernel version 7.6 patch 325) is stuck in a boot loop and ends up in maint mode
  • Even while accessing maint mode the VM reboots and get stuck at "swap_dup: Bad swap file entry xxxxx" error with no means of recovery
  • Issue is only seen on RedHat kernel version 7.6 with VirtIO
  • Snippet of error on console:
PA-HDF login:
swap_dup: Bad swap file entry 40000001ae1b00
swap_dup: Bad swap file entry 40000001ae1b01
swap_dup: Bad swap file entry 40000001ae1b02
swap_dup: Bad swap file entry 40000001ae1b03

Environment


  • Model: PA-VM
  • PAN-OS: 9.0.4
  • Platform: KVM
  • Distro: RHEL
  • Kernel version: 7.6

Cause


  • Only SR-IOV is supported on RHEL 7.6 with PAN-OS 9.0.4

Resolution


  • PAN-OS kernel is updated in xfr and 9.1 releases and Virtio/SR-IOV is supported with RHEL 7.6 with PAN-OS 9.0.3.xfr or 9.1.0 and later
  • VM-Series Firewall Hypervisor Support > Section: VM-Series for KVM / RHEL: 7.6 
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