(gdb) bt full
#0  0x00007fe07a47b177 in lms_frequency_to_hz (f=0x7ffff4a85560)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/libraries/libbladeRF/src/lms.c:1427
        pll_coeff = 0
        div = 0
#1  0x00007fe07a47aa78 in loopback_rx (dev=0x1dfa5d0, mode=BLADERF_LB_NONE)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/libraries/libbladeRF/src/lms.c:1133
        f = {x = 0 '\000', nint = 0, nfrac = 0, freqsel = 0 '\000', reference = 38400000}
        status = 0
        lpf_mode = BLADERF_LPF_DISABLED
        lna = 0 '\000'
        regval = 0 '\000'
        __PRETTY_FUNCTION__ = "loopback_rx"
#2  0x00007fe07a47ad21 in lms_set_loopback_mode (dev=0x1dfa5d0, mode=BLADERF_LB_NONE)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/libraries/libbladeRF/src/lms.c:1262
        status = 0
#3  0x00007fe07a47413d in bladerf_set_loopback (dev=0x1dfa5d0, l=BLADERF_LB_NONE)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/libraries/libbladeRF/src/bladerf.c:369
        status = 0
#4  0x0000000000409e26 in calibrate_dc_gen_tbl (s=0x1df8320, module=BLADERF_MODULE_RX,
    filename=0x1e194e0 "9d39ad51b7873293c26c7883b487d5b1_dc_rx.tbl", f_low=232500000, f_inc=2500000,
    f_high=3800000000)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/utilities/bladeRF-cli/src/cmd/calibrate_dc.c:864
        retval = -6
        status = -6
        off = 40
        lms_dc_cals = {lpf_tuning = 25, tx_lpf_i = 37, tx_lpf_q = 33, rx_lpf_i = 23, rx_lpf_q = 29, dc_ref = 25,
          rxvga2a_i = 30, rxvga2a_q = 35, rxvga2b_i = 29, rxvga2b_q = 29}
        f = 237500000
        settings = {bandwidth = 28000000, frequency = 945401000, samplerate = {integer = 1000000, num = 0,
            den = 1}, loopback = BLADERF_LB_BB_TXVGA1_RXLPF}
        loopback_backup = BLADERF_LB_NONE
        image = 0x1e19a50
        magic = 6833
        reserved = 0
        tbl_version = 1
        lms_data_size = 10
        n_frequencies = 1428
        n_frequencies_le = 1428
        entry_size = 8
        table_size = 11424
        data_size = 11448
        __PRETTY_FUNCTION__ = "calibrate_dc_gen_tbl"
#5  0x0000000000407fb4 in cal_table (s=0x1df8320, argc=4, argv=0x1e193f0)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/utilities/bladeRF-cli/src/cmd/calibrate.c:400
        status = 0
        ok = false
        module = BLADERF_MODULE_RX
        filename = 0x1e194e0 "9d39ad51b7873293c26c7883b487d5b1_dc_rx.tbl"
---Type <return> to continue, or q <return> to quit---
        filename_len = 992
        f_min = 232500000
        f_inc = 2500000
        f_max = 3800000000
#6  0x0000000000408069 in cmd_calibrate (state=0x1df8320, argc=4, argv=0x1e193f0)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/utilities/bladeRF-cli/src/cmd/calibrate.c:422
        status = 0
#7  0x000000000040ab12 in cmd_handle (s=0x1df8320, line=0x1e0b800 "cal table dc rx\n")
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/utilities/bladeRF-cli/src/cmd/cmd.c:503
        cmd = 0x4224e0
        argc = 4
        ret = 0
        argv = 0x1e193f0
        fpga_status = 1
#8  0x0000000000419cbe in input_loop (s=0x1df8320, interactive=true)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/utilities/bladeRF-cli/src/input/input.c:100
        line = 0x1e0b800 "cal table dc rx\n"
        status = 0
        error = 0x0
        __PRETTY_FUNCTION__ = "input_loop"
#9  0x000000000040649a in main (argc=2, argv=0x7ffff4a85958)
    at /home/CORPUSERS/23059623/minirepos/sdr/bladeRF/host/utilities/bladeRF-cli/src/main.c:505
        status = 0
        rc = {interactive_mode = true, flash_fw = false, flash_fpga = false, load_fpga = false, probe = false,
          show_help = false, show_help_interactive = false, show_version = false, show_lib_version = false,
          verbosity = BLADERF_LOG_LEVEL_INFO, device = 0x0, fw_file = 0x0, flash_fpga_file = 0x0, fpga_file = 0x0,
          script_file = 0x0}
        state = 0x1df8320
        exit_immediately = false
        exec_list = {head = 0x0, tail = 0x0}
(gdb)