Might seem silly But have you tried a different USB cable! Does it exhibit this behavior in a different host?
Is it just this one device? Sent from my iPhone > On May 25, 2020, at 4:55 PM, Andre Puschmann via USRP-users > <[email protected]> wrote: > > Hey guys, > > I am facing a weird issue with one of the B210 we use in our CI setup. > It used all day long with shorter and longer runs, with different > bandwidth configurations, number of channels, stream parameters, etc. > > That works fine in principle but after a while the device simply > wouldn't work any longer. The app is unable to init the device. > > $ uhd_usrp_probe > [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; > UHD_3.15.0.HEAD-0-gaea0e2de > [INFO] [B200] Loading firmware image: > /usr/share/uhd/images/usrp_b200_fw.hex... > [ERROR] [UHD] Device discovery error: EnvironmentError: IOError: Could > not load firmware: > EnvironmentError: IOError: ihex_reader::read(): record hander returned > failure code > Error: LookupError: KeyError: No devices found for -----> > Empty Device Address > > Trying to reset gives the same error: > > $ /usr/lib/uhd/utils/b2xx_fx3_utils -D > Device opened (VID=0x2500,PID=0x0020) > B2xx detected... Control of B2xx granted... > > Loading firmware > [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; > UHD_3.15.0.HEAD-0-gaea0e2de > [INFO] [B200] Loading firmware image: > /usr/share/uhd/images/usrp_b200_fw.hex... > Exception while loading firmware: EnvironmentError: IOError: Could not > load firmware: > EnvironmentError: IOError: ihex_reader::read(): record hander returned > failure code > > > After that happened the only way to recover the device is unplug the > USRP. A simple reboot doesn't help. Dmesg doesn't show any issues. > > UHD is 3.15 compiled from source on a vanilla Ubuntu 18.04 LTE (side > note: there are no pre-built packages for 3.15 in the 18.04 PPA). System > is a Intel NUC Skull Canyon. Cables are stock ones. Let me know if you > need any further information on the setup. > > Any pointers on what might be wrong here are highly appreciated. > > Cheers > Andre > > _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com _______________________________________________ USRP-users mailing list [email protected] http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
