Hi David,
the version string printed by benchmark_rate shows that you've also got an old UHD 3.10.3.0 installation on your system. Make sure there's only one installation of UHD. Best regards, Marcus On Thu, 2019-09-19 at 16:55 -0400, David Smay via USRP-users wrote: > Hello, > > I recently did a clean installation of UHD 3.14.1 and gnuradio > 3.7.13.5 on Ubuntu 18.04 LTS, following the steps outlined in the > Ettus knowledge base for installation from source. > > The installation worked great, and I started experimenting with the > example programs installed with UHD (located in > /usr/lib/uhd/examples/). At first they ran correctly and I was able > to run the gpio and benchmark_rate programs without issue, getting > the normal expected output for my b205mini-i. > > Without making any changes to the system, and in the same shell > session, all of a sudden the example programs all started > consistently generating errors when I tried to run them: > > dsmay4@UbuntuPrecision7530:/usr/lib/uhd/examples$ ./benchmark_rate -- > rx_rate 10e6 > linux; GNU C++ version 7.3.0; Boost_106501; UHD_003.010.003.000-0- > unknown > > > > UHD Warning: > EnvironmentError: IOError: Could not find path for image: > usrp_b200_fw.hex > Using images directory: <no images directory located> > Set the environment variable 'UHD_IMAGES_DIR' appropriately or > follow the below instructions to download the images package. > Please run: > "/usr/lib/x86_64-linux-gnu/uhd/utils/uhd_images_downloader.py" > Creating the usrp device with: ... > > UHD Warning: > EnvironmentError: IOError: Could not find path for image: > usrp_b200_fw.hex > Using images directory: <no images directory located> > Set the environment variable 'UHD_IMAGES_DIR' appropriately or > follow the below instructions to download the images package. > Please run: > "/usr/lib/x86_64-linux-gnu/uhd/utils/uhd_images_downloader.py" > Error: LookupError: KeyError: No devices found for -----> > Empty Device Address > > This is quite strange as my uhd_images_downloader isn't installed to > that directory, but it does run just fine. uhd_find_devices and > uhd_usrp_probe run fine and indicate no problems with the radio > itself. Other sdr apps using the b205 work just fine - the problem > seems to only impact these example programs. > > I tried rebooting, as well as uninstalling and reinstalling UHD > (which reinstalled the example programs) but the problem persists. > I'm mostly interested in figuring out what caused the spontaneous > change in system behavior. I can't for the life of me figure out why > just these apps can't find the fpga images but everything else works > just fine... > > TIA, > > Dave > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
