Re: [Discuss-gnuradio] running OFDM on USRP2

[Eric Blossom]

On Thu, Feb 04, 2010 at 07:25:47AM -0600, Tom Rondeau wrote:
> On Wed, Feb 3, 2010 at 1:55 PM, bin zan <address@hidden> wrote:
> > Hi Tom,
> > In our case, even with script from Veljko, the OFDM receiver doesn't show
> > any thing. And we always see "usrp2: failed to enable realtime scheduling".
> > Do you think that will cause problem?
> >
> > Thanks,
> > Bin
> 
> 
> No, that message is just telling you that you don't have permissions
> to run it at the highest priority. It means you won't be able to run
> as fast, but that shouldn't be the cause of your problems.
> 
> Tom

To enable real-time scheduling (highly recommended), do this:

Ensure that you are in the "usrp" group, and then add
this line to the end of /etc/security/limits.conf:

@usrp            -       rtprio          50

Log out, then back in, and the message should go away.

Eric