On 02/02/2018 01:32 AM, Mahesh Jena via USRP-users wrote:
Hi All,

I have 2 USRP E312 devices, out of which one device is showing incompatible FPGA issue with following error:

/uhd_usrp_probe --args "addr="/

/Mac OS; Clang version 9.0.0 (clang-900.0.39.2); Boost_106501; UHD_003.010.002.000-MacPorts-Release/


/-- Detecting internal GPS/

/UHD Error:/

/An error occured making GPSDd interface: RuntimeError: Failed to connect to gpsd: can't connect to host/port pair/

/Initializing core control.../

/-- Performing register loopback test... pass/

/Error: RuntimeError: Expected FPGA compatibility number 16.x, but got 14.0:/

/The FPGA build is not compatible with the host code build./

/Please run:/



However, the other device is working as expected.
Both the devices have UHD image: /UHD_003.009.002-0-unknown/

Can you please help me with figuring out how to solve the issue with this device?

Thanks in advance!

Kind Regards,


This looks like you're using Network Mode with your E312 from a Mac. The version of UHD on your host machine and E3xx MUST be the same when
  using network mode.

If you are going to use network mode with your E3xx (with the proviso that network mode is useful only for check-out and low-bandwidth testing), then
  downgrade the version of UHD on your Mac to match that on the E312.

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