Hi all, I just set up a system with X410 USRP. Tried to run a benchmark rate test and saw a lot of errors. Please suggest what could be the reason for the test failure. Host is R740 (16 CPU cores) and Linux is Ubuntu 22.04 with low-latency kernel.100G Mellanox ConnectX-6 NIC cards
$ sudo /usr/local/lib/uhd/examples/benchmark_rate \--args "type=x4xx,mgmt_addr=192.168.88.2,addr=192.168.20.2,master_clock_rate=500e6" \--priority "high" \--multi_streamer \--duration 60 \--channels "0" \--rx_rate 10e6 \--rx_subdev "A:0" \--tx_rate 10e6 \--tx_subdev "A:0"[sudo] password for user: [INFO] [UHD] linux; GNU C++ version 11.4.0; Boost_107400; DPDK_21.11; UHD_4.4.0.HEAD-0-g5fac246b[00:00:00.000566] Creating the usrp device with: type=x4xx,mgmt_addr=192.168.88.2,addr=192.168.20.2,master_clock_rate=500e6...[INFO] [MPMD] Initializing 1 device(s) in parallel with args: mgmt_addr=192.168.88.2,type=x4xx,product=x410,serial=3289B23,name=ni-x4xx-3289B23,fpga=CG_400,claimed=False,addr=192.168.20.2,master_clock_rate=500e6[WARNING] [MPM.RPCServer] A timeout event occured![INFO] [MPM.PeriphManager] init() called with device args `fpga=CG_400,master_clock_rate=500e6,mgmt_addr=192.168.88.2,name=ni-x4xx-3289B23,product=x410,clock_source=internal,time_source=internal'.Using Device: Single USRP: Device: X400-Series Device Mboard 0: x410 RX Channel: 0 RX DSP: n/a RX Dboard: A RX Subdev: 0 TX Channel: 0 TX DSP: n/a TX Dboard: A TX Subdev: 0 [00:00:05.797505591] Setting device timestamp to 0...[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 10 MHz. Actual rate is: 500 MHz.[WARNING] [MULTI_USRP] Could not set RX rate to 10.000 MHz. Actual rate is 500.000 MHz[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 10 MHz. Actual rate is: 500 MHz.[WARNING] [MULTI_USRP] Could not set TX rate to 10.000 MHz. Actual rate is 500.000 MHzSetting TX spb to 1984[00:00:05.799789467] Testing receive rate 500.000000 Msps on 1 channels[00:00:05.801875415] Testing transmit rate 500.000000 Msps on 1 channelsUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUD[U00:00:06.33502762] Detected Rx sequence error.UU[D00:00:06.33952517] Detected Rx sequence error.UUUU[D00:00:06.34387503] Detected Rx sequence error.U[D00:00:06.34802030] Detected Rx sequence error.UUUUU[D00:00:06.35212894] Detected Rx sequence error.U[D00:00:06.35640910] Detected Rx sequence error. Benchmark rate summary: Num received samples: 0 Num dropped samples: 0 Num overruns detected: 596 Num transmitted samples: 10046501824 Num sequence errors (Tx): 0 Num sequence errors (Rx): 0 Num underruns detected: 819855 Num late commands: 0 Num timeouts (Tx): 0 Num timeouts (Rx): 0 Done! $ ifconfigenp59s0f0np0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 inet 192.168.20.1 netmask 255.255.255.0 broadcast 192.168.20.255 inet6 fe80::ba3f:d2ff:fe57:b77a prefixlen 64 scopeid 0x20<link> ether b8:3f:d2:57:b7:7a txqueuelen 1000 (Ethernet) RX packets 15144837 bytes 101888797100 (101.8 GB) RX errors 0 dropped 2423 overruns 0 frame 0 TX packets 12311297 bytes 87947193629 (87.9 GB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 enp59s0f1np1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 inet 192.168.10.1 netmask 255.255.255.0 broadcast 192.168.10.255 inet6 fe80::ba3f:d2ff:fe57:b77b prefixlen 64 scopeid 0x20<link> ether b8:3f:d2:57:b7:7b txqueuelen 1000 (Ethernet) RX packets 406107 bytes 2296309836 (2.2 GB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 502690 bytes 3421432091 (3.4 GB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 Kind regards,Hongwei
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