[ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD] An unexpected exception was caught in a task loop.The task loop will now exit, things may not work.EnvironmentError: IOError: usb rx8 transfer status: LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE

[fatafalihhilmi]

Issue Description

when i run srsenb i got some error like this: [ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD] An unexpected exception was caught in a task loop.The task loop will now exit, things may not work.EnvironmentError: IOError: usb rx8 transfer status:LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE terminate called after throwing an instance of 'uhd::usb_error' what(): RuntimeError: USBError -4: usb tx2 submit failed: LIBUSB_ERROR_NO_DEVICE

Setup Details

Ubuntu 20.04 LTS i5-4300U CPU @ 1.90GHz 4 core srsran 22.04.1 UHD 3.15. LTS USRP B210

Expected Behavior

running without error

Actual Behaviour

==== eNodeB started === Type to view trace Setting frequency: DL=2680.0 Mhz, UL=2560.0 MHz for cc_idx=0 nof_prb=50 t Enter t to stop trace. [ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD] An unexpected exception was caught in a task loop.The task loop will now exit, things may not work.EnvironmentError: IOError: usb rx8 transfer status: LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE [ERROR] [UHD RF] EnvironmentError: IOError: usb rx6 transfer status: LIBUSB_TRANSFER_NO_DEVICE terminate called after throwing an instance of 'uhd::usb_error' what(): RuntimeError: USBError -4: usb tx2 submit failed: LIBUSB_ERROR_NO_DEVICE --- command='srsenb enb.conf' version=22.04.1 signal=6 date='20/09/2022 09:21:36' --- srsenb(+0x35ec37) [0x55d31c668c37] /lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f163501e210] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb) [0x7f163501e18b] /lib/x86_64-linux-gnu/libc.so.6(abort+0x12b) [0x7f1634ffd859] /lib/x86_64-linux-gnu/libstdc++.so.6(+0x9e911) [0x7f16353d2911] /lib/x86_64-linux-gnu/libstdc++.so.6(+0xaa38c) [0x7f16353de38c] /lib/x86_64-linux-gnu/libstdc++.so.6(+0xa9369) [0x7f16353dd369] /lib/x86_64-linux-gnu/libstdc++.so.6(__gxx_personality_v0+0x2a1) [0x7f16353ddd21] /lib/x86_64-linux-gnu/libgcc_s.so.1(+0x10bef) [0x7f16351dabef] /lib/x86_64-linux-gnu/libgcc_s.so.1(_Unwind_Resume+0x12a) [0x7f16351db5aa] /usr/local/lib/libuhd.so.3.15.0(+0x96cf13) [0x7f1634b2af13] /usr/local/lib/libuhd.so.3.15.0(+0x96add9) [0x7f1634b28dd9] /usr/local/lib/libuhd.so.3.15.0(+0x3a4ffd) [0x7f1634562ffd] /usr/local/lib/libuhd.so.3.15.0(+0x702569) [0x7f16348c0569] /usr/local/lib/libsrsran_rf_uhd.so(+0x263d3) [0x7f1634e8a3d3] /usr/local/lib/libsrsran_rf_uhd.so(rf_uhd_send_timed_multi+0x51a) [0x7f1634e7867a] /usr/local/lib/libsrsran_rf_uhd.so(rf_uhd_send_timed+0x5d) [0x7f1634e790ed] /usr/local/lib/libsrsran_rf.so.0(srsran_rf_send_timed2+0x2d) [0x7f163572fdbd] srsenb(+0x54c632) [0x55d31c856632] srsenb(+0x54cc13) [0x55d31c856c13] srsenb(+0xd427b) [0x55d31c3de27b] srsenb(+0xe1456) [0x55d31c3eb456] srsenb(+0x3766e2) [0x55d31c6806e2] srsenb(+0xa9e25) [0x55d31c3b3e25] /lib/x86_64-linux-gnu/libpthread.so.0(+0x9609) [0x7f1635873609] /lib/x86_64-linux-gnu/libc.so.6(clone+0x43) [0x7f16350fa293] srsRAN crashed. Please send this backtrace to the developers ... --- exiting --- terminate called recursively --- command='srsenb enb.conf' version=22.04.1 signal=6 date='20/09/2022 09:21:36' --- srsenb(+0x35ec37) [0x55d31c668c37] /lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f163501e210] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb) [0x7f163501e18b] /lib/x86_64-linux-gnu/libc.so.6(abort+0x12b) [0x7f1634ffd859] /lib/x86_64-linux-gnu/libstdc++.so.6(+0xac53a) [0x7f16353e053a] /lib/x86_64-linux-gnu/libstdc++.so.6(+0xaa38c) [0x7f16353de38c] /lib/x86_64-linux-gnu/libstdc++.so.6(+0xaa3f7) [0x7f16353de3f7] /usr/local/lib/libsrsran_rf_uhd.so(+0x194a8) [0x7f1634e7d4a8] /usr/local/lib/libsrsran_rf_uhd.so(+0x443b2) [0x7f1634ea83b2] /lib/x86_64-linux-gnu/libc.so.6(__cxa_finalize+0xce) [0x7f163502215e] /usr/local/lib/libsrsran_rf_uhd.so(+0x11647) [0x7f1634e75647] srsRAN crashed. Please send this backtrace to the developers ... --- exiting ---

Steps to reproduce the problem

change generic kernel to low latency kernel set CPU GOVERNOR=performance

Additional Information

[Any additional information, configuration or data that might be necessary to reproduce the issue]

[fatafalihhilmi]

@robertfalkenberg

[robertfalkenberg]

This

terminate called after throwing an instance of 'uhd::usb_error'
what(): RuntimeError: USBError -4: usb tx2 submit failed: LIBUSB_ERROR_NO_DEVICE

is an error message coming from the UHD driver. Please verify proper installation and function of the driver and the device. https://kb.ettus.com/Verifying_the_Operation_of_the_USRP_Using_UHD_and_GNU_Radio Please also check the USB connection cable (e.g. loose connection).