[USRP-users] problem with loopbacks when using USRP
marcus.mueller at ettus.com
Tue Jul 28 12:07:37 EDT 2015
Are you running in a VM or not?
Effectively, there's nothing to solve this. If you need a specific
application to run, and you see underruns, your computer needs to run
On 28.07.2015 18:01, Jason Matusiak via USRP-users wrote:
>> No, the U's aren't OK to ignore. That means you're under-running on the TX side, which means missing samples. If
>> you're getting a lot of them, it means you aren't likely getting *any* good frames over the air.
> OK, looks like I totally misunderstood that... I was thinking that it
> meant that I the transmitter was ready to send but I hadn't prepared a
> new packet yet, which would be fine. What is the cause/solution to the
> underrun? I tried reducing the sample rate from 10MHz to 2MHz, but I am
> still seeing occasional U's and D's. but not nearly as many as before.
> I'll play with it at this reduced rate to see if that help some, but I
> am surprised that I had to reduce it so much for an X310.
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