Re: [Discuss-gnuradio] Latest UHD version: error after update while trying to compile GRC model

[Marcus D. Leech]

On 03/06/2011 12:11 PM, Vlad Stoianovici wrote:
> Dear list,
> I get a strange error when trying to compile a GRC model:
>
> -- Opening a USRP2/N-Series device...
> Traceback (most recent call last):
>    File "/home/vl/GnuRadio/Surse/top_block.py", line 43, in<module>
>      tb = top_block()
>    File "/home/vl/GnuRadio/Surse/top_block.py", line 28, in __init__
>      num_channels=1,
>    File "/usr/local/lib/python2.6/dist-packages/gnuradio/uhd/__init__.py",
> line 74, in constructor_interceptor
>      return old_constructor(*args, **kwargs)
>    File "/usr/local/lib/python2.6/dist-packages/gnuradio/uhd/uhd_swig.py",
> line 2044, in usrp_sink
>      return _uhd_swig.usrp_sink(*args, **kwargs)
> RuntimeError: RuntimeError:
> Please update the firmware and FPGA images for your device.
> See the application notes for USRP2/N-Series for instructions.
> Expected protocol compatibility number [7 to 9], but got 10:
> The firmware build is not compatible with the host code build.
>
> The weird thing is that it was working perfectly, before I updated it.
> Any suggestion on how to fix this? (except the obvious regression to the
> previous images).
> Thanks.
>
> Vlad.
This indicates that your USRP-N2XX firmware is at level 10, while the 
host side is expecting something else.  Update your *host side*
  UHD code to match the firmware side.