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Re: [Discuss-gnuradio] Latest UHD version: error after update while tryi

From: Vlad Stoianovici
Subject: Re: [Discuss-gnuradio] Latest UHD version: error after update while trying to compile GRC model
Date: Fri, 3 Jun 2011 10:50:45 -0700 (PDT)

Thanks Josh,
Since I'm a newbie with GRC+UHD would you care to elaborate on the mentioned
How would I identify the "old UHD library files"?
After downloading the latest UHD from git clone
git://ettus.sourcerepo.com/ettus/uhd.git should I go ahead with the typical
steps: cmake ../, make, make test, sudo make install, sudo ldconfig in the
uhd build folder? or is there a different way of going about this?


Josh Blum-3 wrote:
> On 06/03/2011 09:11 AM, 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.
> Thats a bit odd. Well firmware compat 10 is for the latest images. So,
> make sure you don't have any old UHD library files hanging around in
> /usr/lib, /usr/local/lib, /usr/lib64, /usr/local/lib64, and then pull
> the latest master and install.
> -Josh
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