Hi Arnold, > In which way are the plughw:* different than the hw:*? AFAIK plughw adds an extra layer between the application and the card. Plughw can do resampling and so on. > Which one should be used for jack? I guess that hw: is better for realtime issues. > I am always using the hw:* and I don't get such errors. At > least not since upgrading to 2.6.11-gentoo... The 2.6.11 did cause some problems with Dell notebooks, and guess what I'm using, so I wanted to wait for 2.6.12 ;-) . But perhaps it's a good idea to check a 2.6.11 if the problems are gone or not. Thanks & best regards ce