Re: [Discuss-gnuradio] Audio under-runs on dial_tone.py (even when using plughw:0, 0)

[Eric Blossom]

On Mon, Jul 27, 2009 at 02:12:34PM +1000, Steve Glass wrote:
> Hi,
> 
> I'm helping a mate get GNURadio 3.2 running on an Ubuntu machine. As a quick
> sanity check I run dial_tone.py and to my surprise it generates a stream of
> "aU" audio under-run warnings and clicking noises from the speaker. I've
> used the "-O plughw:0,0" option because that's always worked for me when
> there are rate mismatches but it gives exactly the same result. The only odd
> thing I can think of is that this is running in a VM but otherwise I am at a
> loss to understand what's happening. Anyone clues?
> 
> Many thanks,
> Steve

What kind of VM?
What's the host OS?
Does any other audio output work in the guest?

Eric