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Re: [Discuss-gnuradio] GRC doesn't do anything

From: Clark Pope
Subject: Re: [Discuss-gnuradio] GRC doesn't do anything
Date: Wed, 23 May 2007 16:42:38 -0400

Update: I'm not exactly sure what I did to fix but disabling the ESD (sound mixer?) seems to have fixed it. All the GRC examples now run except that they have choppy audio. This appears to be a vmware related issue because it happens in command line too.

From: "Clark Pope" <address@hidden>
To: address@hidden
CC: address@hidden
Subject: Re: [Discuss-gnuradio] GRC doesn't do anything
Date: Wed, 23 May 2007 11:59:10 -0400

From: Eric Blossom <address@hidden>
To: Clark Pope <address@hidden>
CC: address@hidden
Subject: Re: [Discuss-gnuradio] GRC doesn't do anything
Date: Wed, 23 May 2007 07:36:09 -0700

On Wed, May 23, 2007 at 09:44:37AM -0400, Clark Pope wrote:
> I have my USRP installed and running fine (Ubuntu 6.06 in vmware). I've
> installed gnuradio companion and it appears to run, at least I can see the > block diagrams from the examples. However, I don't get any FFT displays or
> sound out of any of the examples. It just says running blah blah in the
> status window.
> Any ideas for troubleshooting? Should I be able to execute the .xml files
> manually to get more debug info?
> Thanks,
> Clark

First off, vmware is not a supported platform.
If it works for you, great.  If not, please try to reproduce the
alleged problem on real hardware.

Also, even if vmware was supported, you haven't provided us the first
clue about vmware version or host OS and version.

For those of you who are fans of virtualization, I'd be much more
interested in hearing about Xen than vmware ;)


Sorry, my host os is win xp pro and I'm using the vmware player beta 2.0. My usrp benchmark gets 16 MByte/s reliably and sometimes 32 MByte/s.

Also, I was able to run the GRC wfm_recv_tvrx.grc.xml demo okay except for choppy audio which apparently is unrelated to GRC because the same happens with the command line version. But programs like "phone tones.grc.xml" don't do anything?


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