Symptom:
Packet counters will not increment under some queues for the following commands, however the bytes counter increments as expected:

switch# sh system internal qos queuing stats interface e18/47
Interface Ethernet18/47 statistics
Receive queues
----------------------------------------
    Queue 4q1t-8e-4q4q-in-q-default
        Total bytes                  3022
        Total packets                20
        Pl Drops                     0
        Vq Drops                     0
        Other Drops                  0
    Queue 4q1t-8e-4q4q-in-q1
        Total bytes                  127296
        Total packets                0 >>>>> Missing Packets
        Pl Drops                     0
        Vq Drops                     0
        Other Drops                  0
    Queue 4q1t-8e-4q4q-in-q4
        Total bytes                  0
        Total packets                0
        Pl Drops                     0
        Vq Drops                     0
        Other Drops                  0
    Queue 4q1t-8e-4q4q-in-q3
        Total bytes                  0
        Total packets                0
        Pl Drops                     0
        Vq Drops                     0
        Other Drops                  0 

This issue also impacts 'show policy-map interface eth x/y'

Conditions:
None.