What sample rate? You could try num_recv_frames=128 or higher for higher sample rates.
Sent from my iPhone > On May 26, 2020, at 3:52 PM, Andre Puschmann > <[email protected]> wrote: > > Hey Marcus, > > thanks for the response. > >> On 25/5/20 23:44, Marcus D Leech wrote: >> 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? > > Actually we have another setup with a different host and different B210 > that shows a similar behavior. > > I had the feeling that when using "otw-format=sc12" for some of the > configs we are running, the problem happens quicker. But it's just a > feeling. Is there any known unsuitability or caveat when using sc12? > > In any case, I'll try to approach the issue a bit more systematic over > the coming days/weeks and carefully swap cable/USRPs/hosts to see if we > can identify a pattern. This may take a while though due to the current > situation with lab access, etc. > > Anyway, if there is anything else that I could try, let me know. > > Thanks > Andre > > > >> >> >> >> 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 > > > -- > Andre Puschmann > > Software Radio Systems (SRS) > http://www.softwareradiosystems.com > > PGP/GnuPG key: 6C42AB31 > fingerprint: 137A AE49 785B A445 257C 8AD7 D877 A498 6C42 AB31 _______________________________________________ USRP-users mailing list [email protected] http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
