[Pkg-alsa-devel] Bug#487719: Bug#487719: alsamixer: function snd_ctl_open failed for default: No such

peter at easthope.ca peter at easthope.ca
Thu May 21 03:43:12 UTC 2015


From:	Elimar Riesebieter <riesebie at lxtec.de>
Date:	Wed, 20 May 2015 16:01:16 +0200
> Please post the output of:
> 
> $ lsmod | grep snd
> $ groups #as $USER
> # alsactl init
> $ aplay -l
> $ aplay -L

Not sure about 
  $ groups #as $USER
  # alsactl init
but the following should help.

peter at dalton:~$ lsmod | grep snd
snd_usb_audio          71436  0 
snd_usbmidi_lib        18801  1 snd_usb_audio
snd_rawmidi            22472  1 snd_usbmidi_lib
snd_hwdep              12943  1 snd_usb_audio
snd_seq_device         13016  1 snd_rawmidi
snd_intel8x0           22372  0 
snd_ac97_codec         84236  1 snd_intel8x0
snd_pcm                53461  3 snd_ac97_codec,snd_intel8x0,snd_usb_audio
snd_page_alloc         12867  2 snd_pcm,snd_intel8x0
snd_timer              22356  1 snd_pcm
snd                    42761  9 snd_timer,snd_pcm,snd_ac97_codec,snd_intel8x0,snd_seq_device,snd_hwdep,snd_rawmidi,snd_usbmidi_lib,snd_usb_audio
soundcore              12921  1 snd
ac97_bus               12462  1 snd_ac97_codec
usbcore               104555  8 ehci_hcd,ohci_hcd,usb_storage,usbhid,pegasus,snd_usbmidi_lib,snd_usb_audio

peter at dalton:~$ groups
peter adm mail cdrom floppy sudo audio dip video plugdev staff Debian-exim lpadmin scanner netdev

root at dalton:/home/peter# alsactl init
Found hardware: "ICH" "Realtek ALC655 rev 0" "AC97a:414c4760" "0x105b" "0x0c56"
Hardware is initialized using a generic method
root at dalton:/home/peter# 

peter at dalton:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: SI7012 [SiS SI7012], device 0: Intel ICH [SiS SI7012]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Set [C-Media USB Headphone Set], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: Device [C-Media USB Audio Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

peter at dalton:~$ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
sysdefault:CARD=SI7012
    SiS SI7012, SiS SI7012
    Default Audio Device
front:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    Front speakers
surround21:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    4.0 Surround output to Front and Rear speakers
surround41:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
iec958:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    Direct sample mixing device
dsnoop:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    Direct sample snooping device
hw:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    Direct hardware device without any conversions
plughw:CARD=SI7012,DEV=0
    SiS SI7012, SiS SI7012
    Hardware device with all software conversions
sysdefault:CARD=Set
    C-Media USB Headphone Set, USB Audio
    Default Audio Device
front:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    Front speakers
surround21:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    Direct sample mixing device
dsnoop:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    Direct sample snooping device
hw:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    Direct hardware device without any conversions
plughw:CARD=Set,DEV=0
    C-Media USB Headphone Set, USB Audio
    Hardware device with all software conversions
sysdefault:CARD=Device
    C-Media USB Audio Device, USB Audio
    Default Audio Device
front:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    Front speakers
surround21:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    Direct sample mixing device
dsnoop:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    Direct sample snooping device
hw:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    Direct hardware device without any conversions
plughw:CARD=Device,DEV=0
    C-Media USB Audio Device, USB Audio
    Hardware device with all software conversions
peter at dalton:~$ 


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