It looks like I had secure boot enabled. After disabling it and modifying features as in the article, I'm not getting any sequence errors or dropped samples! However, my desktop freezes up momentarily while I run the benchmark. Is this normal with DPDK, or is it a configuration issue?
On Thu, Jun 23, 2022 at 11:09 AM Shane Flandermeyer < shaneflanderme...@gmail.com> wrote: > Kernel: 5.15.0-39-generic > OS: Ubuntu 22.04 > > For some reason, I am not able to modify the features file even when I'm > root. I get the following error: > > cat: features: Operation not permitted > > On Thu, Jun 23, 2022 at 10:57 AM Dylan Baros <dcba...@utexas.edu> wrote: > >> Good morning Shane, >> >> Can you verify what Linux kernel you are using? See the bottom section of >> this KB article: https://kb.ettus.com/Getting_Started_with_DPDK_and_UHD >> >> Thanks, >> Dylan Baros >> Sent from my iPhone >> >> On Jun 23, 2022, at 10:47 AM, Shane Flandermeyer < >> shaneflanderme...@gmail.com> wrote: >> >> >> Hello, >> >> I'm trying to configure UHD to work with DPDK and my Intel X550T NIC. >> When running the benchmark_rate UHD example, the x310 drops packets and >> gives sequence errors even at lower sample rates. Below is an example of >> the output from the script. Have I configured something incorrectly? >> >> /usr/local/lib/uhd/examples# ./benchmark_rate --rx_rate 100e6 --args >> "addr=192.168.40.2,use_dpdk=1" >> >> [INFO] [UHD] linux; GNU C++ version 11.2.0; Boost_107400; DPDK_21.11; >> UHD_4.2.0.HEAD-0-g46a70d85 >> EAL: Detected CPU lcores: 16 >> EAL: Detected NUMA nodes: 1 >> EAL: Detected shared linkage of DPDK >> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket >> EAL: Selected IOVA mode 'PA' >> EAL: No available 1048576 kB hugepages reported >> EAL: VFIO support initialized >> EAL: Using IOMMU type 8 (No-IOMMU) >> EAL: Probe PCI driver: net_ixgbe (8086:1563) device: 0000:b3:00.0 (socket >> 0) >> TELEMETRY: No legacy callbacks, legacy socket not created >> [00:00:00.000411] Creating the usrp device with: >> addr=192.168.40.2,use_dpdk=1... >> [INFO] [X300] X300 initialization sequence... >> [INFO] [X300] Maximum frame size: 8000 bytes. >> [INFO] [X300] Radio 1x clock: 200 MHz >> Using Device: Single USRP: >> Device: X-Series Device >> Mboard 0: X310 >> RX Channel: 0 >> RX DSP: 0 >> RX Dboard: A >> RX Subdev: UBX RX >> RX Channel: 1 >> RX DSP: 1 >> RX Dboard: B >> RX Subdev: UBX RX >> TX Channel: 0 >> TX DSP: 0 >> TX Dboard: A >> TX Subdev: UBX TX >> TX Channel: 1 >> TX DSP: 1 >> TX Dboard: B >> TX Subdev: UBX TX >> >> [00:00:02.819147387] Setting device timestamp to 0... >> [00:00:02.821865134] Testing receive rate 100.000000 Msps on 1 channels >> [00:00:03.355548206] Detected Rx sequence error. >> D[D00:00:04.355894703] Detected Rx sequence error. >> [D00:00:05.356027514] Detected Rx sequence error. >> [00:00:06.355927093] Detected Rx sequence error. >> D[00:00:07.355947814] Detected Rx sequence error. >> D[D00:00:08.355300086] Detected Rx sequence error. >> [D00:00:09.355619635] Detected Rx sequence error. >> [D00:00:10.355006440] Detected Rx sequence error. >> [D00:00:11.355740470] Detected Rx sequence error. >> [D00:00:12.354932569] Detected Rx sequence error. >> [00:00:12.822469413] Benchmark complete. >> >> >> Benchmark rate summary: >> Num received samples: 961039704 >> Num dropped samples: 38916012 >> Num overruns detected: 0 >> Num transmitted samples: 0 >> Num sequence errors (Tx): 0 >> Num sequence errors (Rx): 10 >> Num underruns detected: 0 >> Num late commands: 0 >> Num timeouts (Tx): 0 >> Num timeouts (Rx): 0 >> >> >> Done! >> _______________________________________________ >> USRP-users mailing list -- usrp-users@lists.ettus.com >> To unsubscribe send an email to usrp-users-le...@lists.ettus.com >> >>
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