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I just installed audacity. I made sure that I had all the dependencies satisfied, and the compile and install of audacity went smoothly. So I fire it up and try to record something, and I get this error saying "Error opening audio device", and then it tells me to change it in preferences. I go to the preferences, and it says that both the recording and playback devices are /dev/dsp. But, I can play MP3s on XMMS, and it uses /dev/dsp for playback, so I don't know what could be causing it. I did some google searching, but didn't find anything that helped. One search result suggested killing or putting on standby whatever sound sound server(s) I was running. I am only running esd, and I tried both using esdctl standby and flat-out killing esd, and neither solution worked. I restarted esd and then tried running audacity through esd using esddsp audacity. Again, same error. One other thing I saw in my google searching was something called "full-duplex", something that I don't have a clue about. Lastly, I saw some of the search results referencing something called /dev/sound, which it appears that I do not have. Could this be causing the problem? Or could this be something kernel-related? I am running 2.4.22, and I looked at the kernel configuration and nothing jumps out at me.