On Thu, 2006-05-11 at 20:55 -0600, Karl Larsen wrote: > Here is what happened. I got gmfsk to compile and load and it came > up working just fine except for the same dam error message whan you try > to go to transmit: > > sound_open_for _write: opensnd: /dev/dsp Device or resource busy. > > I was never able to clear this error message so of course it doesn't work. This is not a gmfsk problem. This simply means that some other program has the soundcard locked, and gmfsk is unable to access it. You need to find out what program is using the soundcard. For example, I have to shut down Skype before I can run gmfsk.