Hi David, Thanks for pinging me. Do you think I could login into the setup and see what is happening? I do have the credentials for two systems in your lab - rhea.dpdklab.iol.unh.edu and io.dpdklab.iol.unh.edu If you can provide me details of the systems you are trying to configure, I could take a look. Thanks Ajit On Tue, Jan 19, 2021 at 1:41 PM David Liu wrote: > > Hi Ajit, > > Thank you for helping out. > > How are you doing with this issue? > > Please let me know if you need anything information from us. > > Just some extra information that both Trex and dts are on the same intel tester machine. > > Best, > David > > On Thu, Jan 14, 2021 at 2:12 PM David Liu wrote: >> >> Yes, so this is the same NIC work on x86. >> By seeing the link, I am assuming you mean the ports that are using for Trex. If so they are UP before I start the Trex. >> >> Thank, >> David >> >> >> On Thu, Jan 14, 2021 at 1:11 AM Ajit Khaparde wrote: >>> >>> Does the same NIC work on x86? >>> Also do you see link before you start the trex? I am trying to see if the port failed to successfully come up >>> or if there is a problem with the link. Can you check and tell? >>> >>> Thanks >>> Ajit >>> >>> On Wed, Jan 13, 2021 at 4:20 PM David Liu wrote: >>>> >>>> Hi Ajit, >>>> >>>> Thank you for helping out. >>>> >>>> We have it working on the x86, but not the Arm. >>>> >>>> >>>> Thanks, >>>> David >>>> >>>> On Wed, Jan 13, 2021 at 5:34 PM Ajit Khaparde wrote: >>>>> >>>>> Hi David, >>>>> I will take a look. >>>>> Do you see similar issues on x86? I am asking because >>>>> even I would start with that to create a baseline and then >>>>> attempt on ARM. >>>>> >>>>> Thanks >>>>> Ajit >>>>> >>>>> On Wed, Jan 13, 2021 at 12:08 PM David Liu wrote: >>>>>> >>>>>> Hi Ajit, >>>>>> >>>>>> We have a 25G Broadcom NIC that is installed on an Arm machine. >>>>>> And I am running into a problem when I try to run nic_single_core_perf on the NIC. >>>>>> Currently, we are using: Trex v2.86 and dts from http://git.dpdk.org/tools/dts/ >>>>>> All the NICs are up and running when testing. >>>>>> >>>>>> The problem is an error when I try to run the test case inside the nic_single_core_perf: >>>>>> >>>>>>> TestNicSingleCorePerf: Test running at parameters: framesize: 64, rxd/txd: 512 >>>>>>> dut.172.18.0.41: x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 32,33 -n 4 --file-prefix=dpdk_15311_20210113190237 -a 0000:93:00.0 -a 0000:93:00.1 -- -i --portmask=0x3 --txd=512 --rxd=512 --nb-cores=1 >>>>>>> dut.172.18.0.41: start >>>>>>> TestNicSingleCorePerf: Test Case test_perf_nic_single_core Result ERROR: Traceback (most recent call last): >>>>>>> File "/opt/dts/framework/test_case.py", line 319, in _execute_test_case >>>>>>> case_obj() >>>>>>> File "tests/TestSuite_nic_single_core_perf.py", line 196, in test_perf_nic_single_core >>>>>>> self.perf_test(self.nb_ports) >>>>>>> File "tests/TestSuite_nic_single_core_perf.py", line 270, in perf_test >>>>>>> _, packets_received = self.tester.pktgen.measure_throughput(stream_ids=streams, options=traffic_opt) >>>>>>> File "/opt/dts/framework/pktgen_base.py", line 245, in measure_throughput >>>>>>> self._prepare_transmission(stream_ids=stream_ids) >>>>>>> File "/opt/dts/framework/pktgen_trex.py", line 778, in _prepare_transmission >>>>>>> self._conn.reset(ports=self._ports) >>>>>>> File "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py", line 51, in wrap2 >>>>>>> ret = f(*args, **kwargs) >>>>>>> File "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py", line 339, in reset >>>>>>> self.clear_stats(ports) >>>>>>> File "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py", line 51, in wrap2 >>>>>>> ret = f(*args, **kwargs) >>>>>>> File "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py", line 1492, in clear_stats >>>>>>> self._clear_stats_common(ports, clear_global, clear_xstats) >>>>>>> File "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/common/trex_client.py", line 2876, in _clear_stats_common >>>>>>> raise TRexError(rc) >>>>>>> trex.common.trex_exceptions.TRexError: *** [RPC] - Failed to get server response from tcp://172.18.0.40:4501 >>>>>> >>>>>> >>>>>> I also try to run TRex in stateless mode with./t-rex-64 -i --cfg /etc/trex_cfg.yaml and connect with ./trex-console >>>>>> >>>>>> Then start sending traffic with command >>>>>>> >>>>>>> trex>start -f stl/imix.py >>>>>> >>>>>> >>>>>> But this will cause an error to turn off Trex. >>>>>> >>>>>>> trex> >>>>>>> 2021-01-13 19:56:21 - [server][warning] - Server has been shutdown - cause: 'WATCHDOG: task 'Trex DP core 1' has not responded for more than 1.00135 seconds - timeout is 1 seconds >>>>>>> *** traceback follows *** >>>>>>> 1 0x561be173cf5a ./_t-rex-64(+0x19af5a) [0x561be173cf5a] >>>>>>> 2 0x7feea3ac0980 /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980) [0x7feea3ac0980] >>>>>>> 3 0x561be1a05a2a rte_delay_us_block + 106 >>>>>>> 4 0x561be16ce874 CCoreEthIF::send_burst(CCorePerPort*, unsigned short, CVirtualIFPerSideStats*) + 3220 >>>>>>> 5 0x561be16abf57 CCoreEthIF::flush_tx_queue() + 31 >>>>>>> 6 0x561be171e3d9 CNodeGenerator::handle_maintenance(CFlowGenListPerThread*) + 265 >>>>>>> 7 0x561be171f7ec CNodeGenerator::handle_flow_sync(CGenNode*, CFlowGenListPerThread*, bool&) + 92 >>>>>>> 8 0x561be171fc98 CNodeGenerator::handle_slow_messages(unsigned char, CGenNode*, CFlowGenListPerThread*, bool) + 184 >>>>>>> 9 0x561be16cb5f1 int CNodeGenerator::flush_file_realtime<23, false>(double, double, CFlowGenListPerThread*, double&) + 881 >>>>>>> 10 0x561be1905212 TrexStatelessDpCore::start_scheduler() + 226 >>>>>>> 11 0x561be1883ae9 TrexDpCore::start() + 89 >>>>>>> 12 0x561be1714113 CFlowGenListPerThread::start(std::__cxx11::basic_string, std::allocator >&, CPreviewMode&) + 115 >>>>>>> 13 0x561be16af8dd CGlobalTRex::run_in_core(unsigned char) + 487 >>>>>>> 14 0x561be16d11ad ./_t-rex-64(+0x12f1ad) [0x561be16d11ad] >>>>>>> 15 0x561be1a1dfaa eal_thread_loop + 426 >>>>>>> 16 0x7feea3ab56db /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db) [0x7feea3ab56db] >>>>>>> 17 0x7feea2a8571f clone + 63 >>>>>>> >>>>>>> *** addr2line information follows *** >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ??:0 >>>>>>> ' >>>>>> >>>>>> >>>>>> I believe if everything is working, this should not turn off trex but please correct me if I am wrong. >>>>>> I wonder if you have any suggestion of how I can approach this issue? >>>>>> >>>>>> Best, >>>>>> David >>>>>> >>>>>>