Re: [Discuss-gnuradio] USRP underrun problems

[Matt Ettus]

On 06/04/2010 03:47 AM, Chris_Spain wrote:
> Hello, I trying to implement DVB-H Standar on GNU Radio and USRP.
>
> In software, all run ok, but now I'm doing the first test with USRP and I
> have a problem that I have no idea how fix it. When I try to send with a
> Flex  900, freq=850M, fft-Lenth=2048, occupied-tones=1512 the program print
> UuUuUuUu, USRP underrun ¿How I fix it?
>
> Cheers

You should make sure you have realtime scheduling enabled.  If you do, 
and still get underruns a lot of underruns, then your computer is not 
fast enough to run your program in real time.

Matt