Re: [Discuss-gnuradio] Connecting two USRPs in one laptop in gnuradio companion

Inkyu,

     At least in 3.9.4 that could be a sequence number error (https://github.com/EttusResearch/uhd/blob/release_003_009_004/host/lib/usrp/common/async_packet_handler.hpp#L62).  Odd that you're seeing that with USB.  Not really sure how to help you with that part.

-Dave

On Tue, Apr 24, 2018 at 6:09 AM, Inkyu Bang <inkyu219@gmail.com> wrote:

Hi,

I am trying to use two USRP (B210) in one laptop.
I plan to send signals using two USRPs from the same source.

When I tried to separately run ".grc" file in each terminal, it works correctly.
However, when I tried to add one more "UHD: USRP sink" block in GRC.

It shows an exception message "S" and only one USRP works.

Could anyone help me to solve this problem?

(1) What is the meaning of "S"?
O: overflow, U: underflow, but I don't know what this is.

(2) Is there any way to use multiple "UHD: USRP sink" blocks in one machine?

Thank you,
Regards,

Inkyu Bang

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