Hi Jacob, Can you try upgrading to UHD 3.10.3.0 to see if it resolves this error?
Regards, Nate Temple On Thu, Feb 1, 2018 at 5:09 PM, Jacob Knoles via USRP-users < usrp-users@lists.ettus.com> wrote: > Hello all, > > I have an application that utilizes an X300 radio to play a short burst of > pulses. This burst style transmission will be repeated hundreds of times > during the lifetime of the application along with several other types of > bursts and a brief capture activity. > > Some of these functions are being done using GNURadio while some are done > using the UHD api directly, but the common point is that a usrp_source > block and usrp_sink are created at the applications start and held through > the life of the app. > > Now, the issue I am having is this, everything works fine until I try a > second function, meaning, I play a short burst of signal and when playing a > second burst I get this error: > > EnvironmentError: IOError: [0/Radio_0] user_reg_read32() failed: > EnvironmentError: IOError: [0/Radio_0] sr_read32() failed: > EnvironmentError: IOError: Block ctrl (CE_01_Port_40) no response packet - > AssertionError: buff->size() > 0 > in unsigned __int64 __cdecl ctrl_iface_impl::wait_for_ack(const bool) > at Z:\gr-build\src-stage1-dependencies\uhd-release_003_ > 010_001_001\host\lib\rfnoc\ctrl_iface.cpp:206 > > I have no idea what is causing this error and I need advice on how to > correct it. Any ideas? > > Thanks. > ----------------------------- > Jacob Knoles > > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > >
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