Ok. If benchmark_rate fails, this means that either your host is not
optimized or else it is underpowered, I think.  Did you try the items at this
<https://kb.ettus.com/USRP_Host_Performance_Tuning_Tips_and_Tricks#Adjust_Network_Buffers>link?
Are you getting any error messages or warnings (other than those shown)
when you run benchmark_rate?  How about rx_streaming - are you able to
consume Rx streaming at high rates without errors?


On Wed, Feb 2, 2022 at 8:25 AM <seckinoncu8...@gmail.com> wrote:

> Hello Rob,
>
> I got same error when operating on “benchmark_rate”. I attached the
> related pictures.
>
>    -
>
>    At 5 Msps, duration = 10 minutes —> No error
>    -
>
>    At 20 Msps, duration = 2 minutes —> No error
>    -
>
>    At 25 Msps, duration = 2 minutes —> Error detected
>    -
>
>    At 50Msps, duration = 2 minutes —> Error detected
>    -
>
>    At 100 Msps, duration = 2 minutes —> Error detected
>
> In addition, when I got “U” errors while running “benchmark_rate”, it
> continues to transmit.
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