benchmark_rate.exe --args=addr=192.168.60.2,send_buff_size=2097152 --tx_rate=25000000 --tx_cpu=sc16 --channels=0,1 --ref=external --repeat 2
Win32; Microsoft Visual C++ version 14.0; Boost_106200; UHD_003.010.001.000-31-g77cbd56a


Creating the usrp device with: addr=192.168.60.2,send_buff_size=2097152...
-- X300 initialization sequence...
-- Determining maximum frame size... 8000 bytes.
-- Setup basic communication...
-- Loading values from EEPROM...
-- Setup RF frontend clocking...
-- Radio 1x clock:200
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- [DMA FIFO] Running BIST for FIFO 0... pass (Throughput: 1185.3MB/s)
-- [DMA FIFO] Running BIST for FIFO 1... pass (Throughput: 1178.6MB/s)
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- [RFNoC Radio] Performing register loopback test... pass
-- [RFNoC Radio] Performing register loopback test... pass
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- [RFNoC Radio] Performing register loopback test... pass
-- [RFNoC Radio] Performing register loopback test... pass
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Performing timer loopback test... pass
-- Performing timer loopback test... pass

LOOP #0
Using Device: Single USRP:
  Device: X-Series Device
  Mboard 0: X300
  RX Channel: 0
    RX DSP: 0
    RX Dboard: A
    RX Subdev: UBX RX
  RX Channel: 1
    RX DSP: 0
    RX Dboard: B
    RX Subdev: UBX RX
  TX Channel: 0
    TX DSP: 0
    TX Dboard: A
    TX Subdev: UBX TX
  TX Channel: 1
    TX DSP: 0
    TX Dboard: B
    TX Subdev: UBX TX

Now confirming lock on clock signals...
Setting device timestamp to 0...
--     1) catch time transition at pps edge
--     2) set times next pps (synchronously)
-- Creating WSA UDP transport for 192.168.60.2:49153
-- Creating WSA UDP transport for 192.168.60.2:49153
Testing transmit rate 25.000000 Msps on 2 channels
UU
UHD Error:
    x300 fw communication failure #1
    EnvironmentError: IOError: x300 fw poke32 - reply timed out

UHD Error:
    x300 fw communication failure #2
    EnvironmentError: IOError: x300 fw poke32 - reply timed out

UHD Error:
    x300 fw communication failure #3
    EnvironmentError: IOError: x300 fw poke32 - reply timed out

UHD Error:
    An unexpected exception was caught in a task loop.
    The task loop will now exit, things may not work.
    EnvironmentError: IOError: x300 fw communication failure #3
    EnvironmentError: IOError: x300 fw poke32 - reply timed out

Benchmark rate summary:
  Num received samples:    0
  Num dropped samples:     0
  Num overflows detected:  0
  Num transmitted samples: 46260760
  Num sequence errors:     0
  Num underflows detected: 2
  Num late commands:       0
  Num timeouts:            0