Hi,

I'm building a new FPGA image for E310 based on the yaml file "e310_rfnoc_image_core.yml".  I'm adding a FFT block per the instructions in "Getting_Started_with_RFNoC_in_UHD_4.0".

However, when I run:

rfnoc_image_builder -y ./e310_with_fft.yml -t E310

I get the error:

[ERR] 1 unresolved clk domain(s)
[ERR]     fft0:ce
[ERR] Please specify the clock(s) to connect

Even though the clk_domains is configured as:

clk_domains:
 - { srcblk: _device_, srcport: radio, dstblk: radio0, dstport: radio }
 - { srcblk: _device_, srcport: ce,    dstblk: fft0,   dstport:ce }

If I remove the FFT block the compile process begins properly.

Any ideas?

Mike


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