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Overflows "O" messages with USRP X300
From: |
Thomas Lorblanchès |
Subject: |
Overflows "O" messages with USRP X300 |
Date: |
Wed, 23 Feb 2022 08:21:06 +0000 |
Hi all,
I try to use a USRP X300 with a 10G Ethernet link at full speed (200MS/s).
I followed all the tips from
https://kb.ettus.com/USRP_Host_Performance_Tuning_Tips_and_Tricks
but I still receive "O"s from time to time.
I don't have these messages at 100MS/s.
I'm surprised to receive these overflow warnings, because this is not what is
described in
https://files.ettus.com/manual/page_general.html#general_ounotes.
In this document, network-based devices are only supposed to drop ("D") packets
because there is no back-pressure.
So how is it possible to receive "O"s (i.e. the device's internal buffers
become full) with this setup?
Thanks for your answers.
Thomas
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