* pe...@easthope.ca <pe...@easthope.ca> [2015-05-19 18:33 -0700]: > This machine has an audio chip on the mainboard and two > USB audio adapters. > > peter@dalton:~$ ls /dev/audio > ls: cannot access /dev/audio: No such file or directory > peter@dalton:~$ ls /dev/snd > by-id controlC0 controlC2 pcmC0D0p pcmC1D0c pcmC2D0c seq > by-path controlC1 pcmC0D0c pcmC0D1c pcmC1D0p pcmC2D0p timer > > peter@dalton:~$ alsamixer > cannot open mixer: No such device > peter@dalton:~$ alsamixergui > Dialgue window shows, "alsamixer: function snd_ctl_open failed for default: > No such device". > Ie. the message which started this thread.
Please post the output of: $ lsmod | grep snd $ groups #as $USER # alsactl init $ aplay -l $ aplay -L > > I expect the problem is in detection or identification of sound devices. > Here, any PCI bus machine with more than one sound device has > always manifested unreliable identification of sound devices. > Similar to the problem of identifying multiple ethernet adapters > before udev could sort them. Order of appearance at boot up is > just not a reliable means of identifying devices. > > If anyone has a promising suggestion or question, I'm happy to work on > troubleshooting. If you want an usb driven device as default card you can define it in an user specific .asoundrc: http://alsa.opensrc.org/MultipleCards Elimar -- Do you smell something burning or is it me? -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org