On Sep 23, 2010, at 1:42 AM, George Nychis wrote:
> Did you ever get this fixed? I'm seeing the same problem...
And later:
> However, I'm not using UHD. Do you know a fix for this outside of UHD?
Then:
> I see the USRP2 send mac pause frames, and then no new data is sent over the
> interface for 5-10 seconds.
Since the USRP2 used pause frames even before UHD, it wouldn't surprise me if
this is the same problem I encountered in UHD. Be sure to set the rx gain,
frequency, etc and call start_rx_streaming BEFORE spinning up the tx thread.
Try setting the system send buffer limit to something small. To set it
temporarily:
sudo sysctl -w net.core.wmem_max=10000
Then run your app.
HTH.
-Marc
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