[Bug 1028] [dpdk-22.07] dynamic_queue/txq_setup: after set “port 0 txq 1 stop”, this stopped queue not display transmits 255 packets

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=1028

            Bug ID: 1028
           Summary: [dpdk-22.07] dynamic_queue/txq_setup: after set “port
                    0 txq 1 stop”, this stopped queue not display
                    transmits 255 packets
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: testpmd
          Assignee: dev at dpdk.org
          Reporter: linglix.chen at intel.com
  Target Milestone: ---

dpdk-22.07.0-rc0: bebbf0721943ad2c6632026c4235e48d5f37b88f

Reproduce Step:
1.usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:86:00.0 0000:86:00.1

2.x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-2 -n 4 -a 0000:86:00.0 -a
0000:86:00.1  -- -i --port-topology=chained --txq=64 --rxq=64

3.Check txq ring size is 256
testpmd> show txq info 0 1
Number of TXDs: 256

4.Stop one Tx queue on port 0
testpmd> port 0 txq 1 stop
testpmd> set fwd txonly
testpmd> start

5.wait 10s then stop testpmd

Expect results: this stopped queue only transmits 255 packets

Actual results: txq 1 port 0 not display
testpmd> stop
Telling cores to stop...
Waiting for lcores to finish...

  ------- Forward Stats for RX Port= 0/Queue= 0 -> TX Port= 1/Queue= 0 -------
  RX-packets: 0              TX-packets: 1589184        TX-dropped: 0

  ------- Forward Stats for RX Port= 1/Queue= 0 -> TX Port= 0/Queue= 0 -------
  RX-packets: 0              TX-packets: 1589184        TX-dropped: 0

  ------- Forward Stats for RX Port= 0/Queue= 1 -> TX Port= 1/Queue= 1 -------
  RX-packets: 0              TX-packets: 1589184        TX-dropped: 0

  ------- Forward Stats for RX Port= 0/Queue= 2 -> TX Port= 1/Queue= 2 -------
  RX-packets: 0              TX-packets: 1589184        TX-dropped: 0

  ------- Forward Stats for RX Port= 1/Queue= 2 -> TX Port= 0/Queue= 2 -------
  RX-packets: 0              TX-packets: 1589184        TX-dropped: 0

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