On Thu, Feb 18, 2021 at 10:01 AM David Liu wrote: > Hi Ajit, > > This is likely caused by when dts try to ssh into another machine as a > normal user which will prompt you for the password. > > One solution would be "sudo su" as root to run the command line since you > should have root access. > David, Let me try this method first. If it does not work, we could try with the public ssh keys. I will let you know. Thanks Ajit > > Another solution would be to let me add your public ssh key into both > machines. > > Let me know if this helps. > > Best, > David > > On Fri, Feb 12, 2021 at 5:48 PM Ajit Khaparde > wrote: > >> Thanks Owen. >> >> When I run the dts command line suggested, I get the following error. >> >> Thanks >> Ajit >> >> Traceback (most recent call last): >> File "/opt/dts/framework/ssh_pexpect.py", line 60, in _connect_host >> self.password, original_prompt='[$#>]', >> password_regex=r'(?i)(?:password:)|(?:passphrase for key)|(?i)(password for >> .+:)') >> File "/usr/local/lib/python3.6/dist-packages/pexpect/pxssh.py", line >> 440, in login >> raise ExceptionPxssh('password refused') >> pexpect.pxssh.ExceptionPxssh: password refused >> ^^^^^^^^^^^^^^ >> >> >> >> On Fri, Feb 12, 2021 at 12:09 PM Owen Hilyard >> wrote: >> >>> Hello Ajit, >>> >>> There was a misconfiguration in our identity management system. The >>> issue should now be resolved. >>> >>> Owen Hilyard >>> >>> On Thu, Feb 11, 2021 at 9:38 PM 'Ajit Khaparde' via dpdklab < >>> dpdklab@iol.unh.edu> wrote: >>> >>>> David, >>>> I can use my credentials to login to rhea. >>>> But the same credentials are not allowing me to login onto the servers >>>> you provided. >>>> >>>> Thanks >>>> Ajit >>>> >>>> ssh -l ajitkhaparde arm-gigabyte.dpdklab.iol.unh.edu >>>> Connection closed by 172.18.0.41 port 22 >>>> >>>> ssh -l ajitkhaparde arm-dell.dpdklab.iol.unh.edu >>>> Connection closed by 172.18.0.40 port 22 >>>> >>>> On Tue, Feb 9, 2021 at 6:36 AM David Liu wrote: >>>> >>>>> Hi Ajit, >>>>> >>>>> Thanks for the update. Let me know if you need anything from me. >>>>> >>>>> >>>>> Best, >>>>> David >>>>> >>>>> On Sun, Feb 7, 2021 at 11:04 PM Ajit Khaparde < >>>>> ajit.khaparde@broadcom.com> wrote: >>>>> >>>>>> David, >>>>>> I had some trouble with my system over the past week. >>>>>> So I could not login into the setup. I am hoping that my system will >>>>>> be restored early this week >>>>>> I will login into the setup after that. >>>>>> >>>>>> Thanks >>>>>> Ajit >>>>>> >>>>>> On Tue, Feb 2, 2021 at 10:57 AM Ajit Khaparde < >>>>>> ajit.khaparde@broadcom.com> wrote: >>>>>> >>>>>>> Hi David, >>>>>>> I actually did miss it. I will take a look. >>>>>>> Thanks for the refresh mail. >>>>>>> >>>>>>> Thanks >>>>>>> Ajit >>>>>>> >>>>>>> On Tue, Feb 2, 2021 at 8:58 AM David Liu wrote: >>>>>>> > >>>>>>> > Hi Ajit, >>>>>>> > >>>>>>> > Ping again in case if you miss the last email. >>>>>>> > >>>>>>> > Did you have a chance to give it a try on login to the machines? >>>>>>> > >>>>>>> > Just some notes, we are currently running compile and some >>>>>>> performance/functional testing. >>>>>>> > Which it may be hard for you to run dts, so please let me know if >>>>>>> you want me to stop these tests for you to debug. >>>>>>> > >>>>>>> > Step I run: >>>>>>> > CONF="conf_dpdk" ./switch.sh Broadcom #this is to switch the dts >>>>>>> configuration to Broadcom >>>>>>> > ./dts -s >>>>>>> #To start the dts >>>>>>> > >>>>>>> > Informatio: >>>>>>> > arm-dell.dpdklab.iol.unh.edu >>>>>>> > - dts - located in /opt/dts >>>>>>> > - Trex - located in /opt/trex/v2.87 >>>>>>> > >>>>>>> > arm-gigabyte.dpdklab.iol.unh.edu >>>>>>> > - dpdk - located in /root/dpdk >>>>>>> > >>>>>>> > Best, >>>>>>> > David >>>>>>> > >>>>>>> > On Tue, Jan 26, 2021 at 4:59 PM David Liu >>>>>>> wrote: >>>>>>> >> >>>>>>> >> Also, I had changed the configuration when I run Broadcom nic. >>>>>>> >> In the dts folder, you can start it with ./dts -s >>>>>>> >> >>>>>>> >> On Tue, Jan 26, 2021 at 4:54 PM David Liu >>>>>>> wrote: >>>>>>> >>> >>>>>>> >>> Hi Ajit, >>>>>>> >>> Sorry for the late reply. >>>>>>> >>> >>>>>>> >>> You can ssh into the machine using the same VPN Username and >>>>>>> Password. >>>>>>> >>> Can you try and see if that works? >>>>>>> >>> >>>>>>> >>> Informatio: >>>>>>> >>> arm-dell.dpdklab.iol.unh.edu >>>>>>> >>> - dts - located in /opt/dts >>>>>>> >>> - Trex - located in /opt/trex/v2.87 >>>>>>> >>> >>>>>>> >>> arm-gigabyte.dpdklab.iol.unh.edu >>>>>>> >>> - dpdk - located in /root/dpdk >>>>>>> >>> >>>>>>> >>> >>>>>>> >>> Thanks, >>>>>>> >>> David >>>>>>> >>> >>>>>>> >>> On Tue, Jan 19, 2021 at 5:20 PM Ajit Khaparde < >>>>>>> ajit.khaparde@broadcom.com> wrote: >>>>>>> >>>> >>>>>>> >>>> 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 < >>>>>>> ajit.khaparde@broadcom.com> 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 < >>>>>>> ajit.khaparde@broadcom.com> 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 < >>>>>>> dliu@iol.unh.edu> 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::char_traits, 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 >>>>>>> >>>> >>>>>> >>>>>>> >>>> >>>>>> >>>>>>> >>>>>>