Hello
I was trying to to use the rfnoc radio with two channels, which is connected to a qt frequency sink via DMA fifo. But on doing so,it gives me the following error. I have attached the grc file for your reference. I am using NI USRP 2954R with ubuntu 14.04. Please let me know where I am going wrong. GNU C++ version 4.8.4; Boost_105400; UHD_003.009.001-0-unknown [32;1m[INFO] [UHDlinux; GNU C++ version 4.8.4; Boost_105400; UHD_4.0.0.rfnoc-devel-409-gec9138eb] [39;0m [32;1m[INFO] [NIRIO] [39;0mrpc_client stopping... [32;1m[INFO] [NIRIO] [39;0mrpc_client stopped. [32;1m[INFO] [NIRIO] [39;0mrpc_client stopping... [32;1m[INFO] [NIRIO] [39;0mrpc_client stopped. [32;1m[INFO] [X300] [39;0mX300 initialization sequence... [32;1m[INFO] [X300] [39;0mConnecting to niusrpriorpc at localhost:5444... [32;1m[INFO] [NIRIO] [39;0mrpc_client stopping... [32;1m[INFO] [NIRIO] [39;0mrpc_client stopped. [32;1m[INFO] [X300] [39;0mUsing LVBITX bitfile /usr/local/share/uhd/images/usrp_x310_fpga_HG.lvbitx... [32;1m[INFO] [NIRIO] [39;0mrpc_client stopping... [32;1m[INFO] [NIRIO] [39;0mrpc_client stopped. [32;1m[INFO] [X300] [39;0mSetup basic communication... [32;1m[INFO] [X300] [39;0mLoading values from EEPROM... [32;1m[INFO] [X300] [39;0mSetup RF frontend clocking... [32;1m[INFO] [X300] [39;0mRadio 1x clock:200 [32;1m[INFO] [X300] [39;0mDetecting internal GPSDO.... [32;1m[INFO] [GPS] [39;0mFound an internal GPSDO: LC_XO, Firmware Rev 0.929a [33;1m[WARNING] [GPS] [39;0mupdate_cache: Malformed GPSDO string: LC_XO, Firmware Rev 0.929a [32;1m[INFO] [RFNOC] [39;0m[DMA FIFO] Running BIST for FIFO 0... [32;1m[INFO] [RFNOC] [39;0mpass (Throughput: 1300.6MB/s) [32;1m[INFO] [RFNOC] [39;0m[DMA FIFO] Running BIST for FIFO 1... [32;1m[INFO] [RFNOC] [39;0mpass (Throughput: 1304.6MB/s) [32;1m[INFO] [RFNOC RADIO] [39;0mRegister loopback test passed [32;1m[INFO] [RFNOC RADIO] [39;0mRegister loopback test passed [32;1m[INFO] [RFNOC RADIO] [39;0mRegister loopback test passed [32;1m[INFO] [RFNOC RADIO] [39;0mRegister loopback test passed [32;1m[INFO] [CORES] [39;0mPerforming timer loopback test... [32;1m[INFO] [CORES] [39;0mTimer loopback test passed [32;1m[INFO] [CORES] [39;0mPerforming timer loopback test... [32;1m[INFO] [CORES] [39;0mTimer loopback test passed [33;1m[WARNING] [X300 RADIO] [39;0mRequesting invalid sampling rate from device: 1 MHz. Actual rate is: 200 MHz. Traceback (most recent call last): File "/home/siddhartha/rfnoc/gr-ettus/examples/rfnoc/rfnoc_radio_host.py", line 253, in <module> main() File "/home/siddhartha/rfnoc/gr-ettus/examples/rfnoc/rfnoc_radio_host.py", line 241, in main tb = top_block_cls() File "/home/siddhartha/rfnoc/gr-ettus/examples/rfnoc/rfnoc_radio_host.py", line 93, in __init__ self.uhd_rfnoc_streamer_radio_0.set_rx_freq(rx_freq, i) File "/usr/local/lib/python2.7/dist-packages/ettus/ettus_swig.py", line 2564, in set_rx_freq return _ettus_swig.rfnoc_radio_sptr_set_rx_freq(self, *args, **kwargs) RuntimeError: LookupError: Path not found in tree: /mboards/0/dboards/B/rx_frontends/freq/value terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::lock_error> >' what(): boost: mutex lock failed in pthread_mutex_lock: Invalid argument BR Snehasish
rfnoc_radio_host.grc
Description: rfnoc_radio_host.grc
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