[linux-audio-user] How to setup dmix with m-audio audiophile usb

Hi, I am struggling with setting up the alsa dmixer with the M-Audio Audiophile USB sound card. The card works well (even better now since alsa 1.0.11rc4/linux 2.6.17rc1) but only one application can access it at the same time. Internet search gives a lots of results for asound.conf dmix configurations (and that it should work out of the box with recent alsa versions) but the M-Audio seems to be special, as always. So, 1. Is this a stupid question? (I am a newbie...) 2. What's the correct asound.conf? I tried the following (and many similar to this): [First soundcard is the onboard snd-intel8x0 card, the m-audio is the hw:2,0. It's a debian sid system with kernel 2.6.17rc2] -------------------------------------- pcm.!default { type plug slave.pcm "dmixer" } pcm.dmixer { type dmix ipc_key 1024 # This must be a unique IPC key (see ipcs output) ipc_key_add_uid 0 ipc_perm 0660 slave { pcm "hw:2,0" channels 2; period_time 4096 period_size 4096 # Must be power of 2 for alsa-oss buffer_size 8192 # ditto buffer_time 340000; rate 44100 } bindings { 0 0 1 1 } } # OSS via aoss should d(mix)stroyed: pcm.dsp2 { type plug slave.pcm "dmixer" } ctl.mixer2 { type hw card 2 } ----------------------------------------- the card still works with this, but no sound mixing. Playing a song and using another sound appl at the same time gives: WARNING **: alsa_setup(): Failed to open pcm device (hw:2,0): Device or resource busy 3. Can jackd and simple alsa apps use the soundcard at the same time with dmix (theoretically, if it would work)? thanks, any help appreciated Florian