Firewall Log is not generated and log-receiver error "pan_logrcvr_enqueue_dp_block(pan_log_receiver.c:10996): Error submitting task for rb_taskq"

No more new log on the firewall

debug log-receiver queue-stats shows the "Logs discarded (queue full)" 

var/log/pan/logrcvr.log error: pan_logrcvr_enqueue_dp_block(pan_log_receiver.c:10996): Error submitting task for rb_taskq 

• NGFW
• PAN-OS version
  • 10.2.9-h22, 10.2.10-h16, 10.2.13-h5, 10.2.14
  • 11.1.6-h3, 11.1.8
  • 11.2.6

When netflow is enabled, the logrcvr process might get stuck, resulting in the local logging and log forwarding to stop functioning.

There are two ways of solving the issue:

1. Restart log-receiver with the command:
   • debug software restart process log-receiver
2. This issue is known as number PAN-285941 and is fixed in the PAN-OS versions
   • 11.1.6-h7, 11.1.7-h2, 11.1.9
   • 10.2.10-h22, 10.2.13-h11, 10.2.16