On 11/21/2020 06:53 AM, Ivan Zahartchuk wrote:
I was setting samp_rate to 1 msps and observed the same situation. In addition, 
in the example fosphor samp_rate = 56 msps and no errors occur.

If you replace the ZMQ blocks with NULL SINK blocks, do the overruns go away?



сб, 21 нояб. 2020 г. в 05:12, Marcus D Leech <patchvonbr...@gmail.com <mailto:patchvonbr...@gmail.com>>:

    There’s no way the fpga to ARM channel can support those data
    rates.  Lower your sample rate to 5msps and try again.

    Sent from my iPhone

    > On Nov 20, 2020, at 10:02 PM, Ivan Zahartchuk via USRP-users
    <usrp-us...@lists.ettus.com <mailto:usrp-us...@lists.ettus.com>>
    wrote:
    >
    > 
    > Hello, I want to launch two channels for receiving in parallel
    with usrp e310 rfnoc. But on startup, I get an overrun error. What
    I need is uninterrupted data transmission for phase analysis on
    both channels. How can I do this?
    > <Снимок экрана от 2020-11-21 04-50-17.png>
    >
    > <Снимок экрана от 2020-11-21 04-52-21.png>
    >
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