Re: [Discuss-gnuradio] Underrun (using libusrp only)

['Eric Blossom']

On Wed, Feb 20, 2008 at 06:58:38PM +0100, Per Zetterberg wrote:
> 
> I am using the latest version of Ubuntu. I used the binary packages (
> http://gnuradio.org/trac/wiki/DebianPackages ). So I don't have any Makefile
> (how much I understand).
> 
> I am running on a Dell D600 Laptop.
> 
> BR/
> Per

Could your laptop be in some kind of "slow/powersave mode"?
If so, try setting it to the "I'm not kidding, I want performance" mode.

Eric


> > -----Original Message-----
> > From: Eric Blossom [mailto:address@hidden 
> > Sent: den 19 februari 2008 18:19
> > To: Per Zetterberg
> > Cc: address@hidden; 'Per Zetterberg'
> > Subject: Re: [Discuss-gnuradio] Underrun (using libusrp only)
> > 
> > On Tue, Feb 19, 2008 at 01:59:45PM +0100, Per Zetterberg wrote:
> > > 
> > > Dear All,
> > > 
> > > I am trying to send a square-wave from the USRP DAC (basic 
> > TX board). 
> > > I have made the the following little C++ program - but it gives me 
> > > underruns whenever I set the interpolation factor less than 64. Any 
> > > help is appreciated!
> > > 
> > > BR/
> > > Per Zetterberg
> > 
> > What kind of machine and OS are you running this on?
> > 
> > What FUSB_TECH is configure choosing?
> > You can find this out by grepping a Makefile for FUSB_TECH.  E.g., 
> > 
> > address@hidden gnuradio-core]$ grep FUSB_TECH Makefile FUSB_TECH = linux
> > 
> > Eric
> >