eternalhate wrote: > Sorry, lsof gives me this: > > Code: > COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME > kmix 3947 devadittya 10u CHR 116,6 0t0 5400 /dev/snd/controlC0 > kmix 3947 devadittya 12u CHR 116,9 0t0 5118 /dev/snd/controlC1 > knotify4 3982 devadittya mem CHR 116,3 5289 /dev/snd/pcmC0D0p > knotify4 3982 devadittya 13r CHR 116,2 0t0 4156 /dev/snd/timer > knotify4 3982 devadittya 14u CHR 116,3 0t0 5289 /dev/snd/pcmC0D0p > knotify4 3982 devadittya 15u CHR 116,6 0t0 5400 /dev/snd/controlC0 > firefox 3995 devadittya mem CHR 116,3 5289 /dev/snd/pcmC0D0p > firefox 3995 devadittya 49r CHR 116,2 0t0 4156 /dev/snd/timer > firefox 3995 devadittya 53u CHR 116,3 0t0 5289 /dev/snd/pcmC0D0p > firefox 3995 devadittya 55u CHR 116,6 0t0 5400 /dev/snd/controlC0 > > Hm, try exiting all these programs see if it helps. If it does - then something is up with dmix. It's either explicitly disabled by the config, not compiled in, or one of these programs using ALSA directly (not via dmix).