Takashi Iwai wrote: > > most of debug messages have been moved to snd_printdd(). that is, > to show such debug messages, you'll need to configure alsa-driver with > --with-debug=detect. if your usb device doesn't work try this, and > send me the output of kernel messages together with the output of > lsusb. > Using the latest code this is all the info I can get for this card. To refresh your memory. It appears that the card is being correctly found and registered but that alsa cannot set up the pcm devices. There are two obvious things that are possibly directly related. One is that the card is created in /proc/asound three times and the other is the AS_GENERAL descriptor not found error. ---- #cat: /proc/asound/dev/controlC2: File descriptor in bad state ---- #more /var/log/messages Jun 12 13:52:27 mahine kernel: usb.c: registered new driver snd-usb-audio Jun 12 13:52:27 mahine kernel: ALSA usbaudio.c:1718: adding an output interface 3:0:%%j Jun 12 13:52:27 mahine kernel: ALSA usbaudio.c:1712: adding an input interface 3 :0:%%j Jun 12 13:52:27 mahine kernel: ALSA usbaudio.c:1718: adding an output interface 3:3:%%j Jun 12 13:52:27 mahine kernel: ALSA usbaudio.c:1712: adding an input interface 3 :3:%%j Jun 12 13:52:27 mahine kernel: ALSA usbaudio.c:1718: adding an output interface 3:6:%%j Jun 12 13:52:27 mahine kernel: ALSA usbaudio.c:1712: adding an input interface 3 :6:%%j ----- usb.c: registered new driver snd-usb-audio ALSA usbaudio.c:1718: adding an output interface 3:0:%j ALSA usbaudio.c:1712: adding an input interface 3:0:%j ALSA usbaudio.c:1296: 3:1:1 : AS_GENERAL descriptor not found ALSA usbaudio.c:1296: 3:2:1 : AS_GENERAL descriptor not found devfs_register(unknown): could not append to parent, err: -17 ALSA usbaudio.c:1718: adding an output interface 3:3:%j ALSA usbaudio.c:1712: adding an input interface 3:3:%j ALSA usbaudio.c:1381: 3:4:1 : non-supported sample bit 1 in 3 bytes ALSA usbaudio.c:1296: 3:4:2 : AS_GENERAL descriptor not found ALSA usbaudio.c:1381: 3:4:3 : non-supported sample bit 1 in 3 bytes ALSA usbaudio.c:1381: 3:5:1 : non-supported sample bit 1 in 3 bytes ALSA usbaudio.c:1296: 3:5:2 : AS_GENERAL descriptor not found ALSA usbaudio.c:1381: 3:5:3 : non-supported sample bit 1 in 3 bytes devfs_register(unknown): could not append to parent, err: -17 ALSA usbaudio.c:1718: adding an output interface 3:6:%j ALSA usbaudio.c:1712: adding an input interface 3:6:%j ALSA usbaudio.c:1381: 3:7:1 : non-supported sample bit 1 in 3 bytes ALSA usbaudio.c:1296: 3:7:2 : AS_GENERAL descriptor not found ALSA usbaudio.c:1381: 3:7:3 : non-supported sample bit 1 in 3 bytes ALSA usbaudio.c:1381: 3:8:1 : non-supported sample bit 1 in 3 bytes ALSA usbaudio.c:1296: 3:8:2 : AS_GENERAL descriptor not found ALSA usbaudio.c:1381: 3:8:3 : non-supported sample bit 1 in 3 bytes devfs_register(unknown): could not append to parent, err: -17 ---- -- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.boosthardware.com/LAU/guide/ ========================================