As a note, these mismatches can occur if you use pybombs to manage your
install and do pybombs update uhd-fpga. If you're a pybombs user, my
recommendation is to ignore the uhd-fpga directory altogether, and from
within uhd/fpga run git submodule init, followed by git pull.

Brent, is this something ettus can change in the pybombs recipes?

Thanks,
Andrew

On Thu, Aug 30, 2018 at 9:49 AM, Brent Stapleton via USRP-users <
usrp-users@lists.ettus.com> wrote:

> Hi Juan,
>
> In general, FPGA images built from the submodule in the uhd repository
> will be compatible with UHD built from that commit. The HEADs of the two
> master branches (uhd and fpga) do not have that guarantee. For example, the
> HEAD of uhd master branch (as I write this email) is the git
> commit 3b42e6f0, and the submodule points to the commit c3987555 on fpga.
> Those both use NoC shell compat number 4.
>
> We'll get the noc shell compat 5 changes out ASAP though, so don't throw
> away that image.
>
> Regards,
> Brent
>
> On Wed, Aug 29, 2018 at 7:14 PM Juan Francisco via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> There appears to be a compatibility mismatch for the latest FPGA master
>> and UHD.  I built a new image from fpga master today, but uhd_usrp_probe
>> from UHD (w/ -DENABLE_RFNOC=ON) gives me the error message below:
>>
>> [INFO] [0/DmaFIFO_0] Initializing block control (NOC ID:
>> 0xF1F0D00000000000)
>> [ERROR] [0/DmaFIFO_0] Major compat number mismatch for noc_shell:
>> Expecting 4, got 5.
>> Error: RuntimeError: FPGA component `noc_shell' is revision 5 and UHD
>> supports revision 4. Please either upgrade UHD  (recommended) or downgrade
>> the FPGA image.
>>
>> Thanks,
>> Juan
>> _______________________________________________
>> USRP-users mailing list
>> USRP-users@lists.ettus.com
>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
>
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>
>

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