"All_task" process crashes seen on PA-400 series Firewall

• Data Plane Crashed multiple times.
• System Log reports the error messages related to "all_task" process:

Trace MV all_task_6:__lll_lock_wait _L_lock_883 pthread_mutex_lock pan_mutex_lock 
Crash mp all_task_5 exited with signal: SIGABRT 
Masterd all_task_5 exited with signal of 6; core dumped: yes 
Trace MV all_task_5:__lll_lock_wait _L_lock_883 pthread_mutex_lock pan_mutex_lock

• Palo Alto 400 Series Firewall
• PAN-OS 10.1.x
• Dataplane Crashes on "all_task" process

1. The issue is fixed in PAN-OS 10.1.8 under PAN-178613
2. Upgrade will resolve the issue.

Workaround:

1.  Enter the CLI command " > debug dataplane pool set sz-lockless disable"
2.  Reboot the Firewall.