Question

6

Cannot play sound, ALSA lib errors

rated 0 times [ 6] [ 0] / answers: 1 / hits: 37222 / 2 Years ago, mon, march 14, 2022, 4:10:36

EDIT Added ls -l /dev/snd/

EDIT Added amixer -c 0

Im trying to get my ubuntu server 12.04 lts to play a soundfile.
However I always get the following error, show from a speaker-test command.

UPDATE I no longer get the following error, sound files will play (had to add my user to the sound group), however no sound can be heard.

speaker-test 1.0.25



Playback device is default

Stream parameters are 48000Hz, S16_LE, 1 channels



Using 16 octaves of pink noise

ALSA lib confmisc.c:768:(parse_card) cannot find card '0'

ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory

ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings

ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory

ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name

ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory

ALSA lib conf.c:4720:(snd_config_expand) Evaluate error: No such file or directory

ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM default

Playback open error: -2,No such file or directory

aplay -l



**** List of PLAYBACK Hardware Devices ****



card 0: CMI8738 [C-Media CMI8738], device 0: CMI8738-MC6 [C-Media PCI DAC/ADC]

  Subdevices: 1/1

  Subdevice #0: subdevice #0

card 0: CMI8738 [C-Media CMI8738], device 1: CMI8738-MC6 [C-Media PCI 2nd DAC]

  Subdevices: 1/1

  Subdevice #0: subdevice #0

card 0: CMI8738 [C-Media CMI8738], device 2: CMI8738-MC6 [C-Media PCI IEC958]

  Subdevices: 1/1

  Subdevice #0: subdevice #0

lspci -v | grep -A7 -i "audio"



01:00.0 Multimedia audio controller: C-Media Electronics Inc CMI8738/CMI8768 PCI Audio (rev 10)

    Subsystem: C-Media Electronics Inc CMI8738/C3DX PCI Audio Device

    Flags: bus master, medium devsel, latency 64, IRQ 21

    I/O ports at de00 [size=256]

    Capabilities: <access denied>

    Kernel driver in use: snd_cmipci

    Kernel modules: snd-cmipci



01:08.0 Ethernet controller: Intel Corporation 82562EZ 10/100 Ethernet Controller (rev 02)

lsmod | grep snd



snd_cmipci             39606  0 

gameport               15088  1 snd_cmipci

snd_pcm                85934  1 snd_cmipci

snd_page_alloc         18398  1 snd_pcm

snd_opl3_lib           18863  1 snd_cmipci

snd_hwdep              13276  1 snd_opl3_lib

snd_mpu401_uart        13865  1 snd_cmipci

snd_seq_midi           13132  0 

snd_rawmidi            25157  2 snd_mpu401_uart,snd_seq_midi

snd_seq_midi_event     14475  1 snd_seq_midi

snd_seq                51593  2 snd_seq_midi,snd_seq_midi_event

snd_timer              28931  3 snd_pcm,snd_opl3_lib,snd_seq

snd_seq_device         14137  4 snd_opl3_lib,snd_seq_midi,snd_rawmidi,snd_seq

snd                    57014  9 snd_cmipci,snd_pcm,snd_opl3_lib,snd_hwdep,snd_mpu401_uart,snd_rawmidi,snd_seq,snd_timer,snd_seq_device

soundcore              12600  1 snd

ls -l /dev/snd/



total 0

drwxr-xr-x 2 root root       60 Sep  7 11:12 by-path

crw-rw---T 1 root audio 116,  8 Sep  7 11:12 controlC0

crw-rw---T 1 root audio 116,  7 Sep  7 11:12 pcmC0D0c

crw-rw---T 1 root audio 116,  6 Sep  7 11:12 pcmC0D0p

crw-rw---T 1 root audio 116,  5 Sep  7 11:12 pcmC0D1c

crw-rw---T 1 root audio 116,  4 Sep  7 11:12 pcmC0D2c

crw-rw---T 1 root audio 116,  3 Sep  7 11:12 pcmC0D3c

crw-rw---T 1 root audio 116,  2 Sep  7 11:12 pcmC0D4p

crw-rw---T 1 root audio 116,  1 Sep  7 11:12 seq

crw-rw---T 1 root audio 116, 33 Sep  7 11:12 timer

amixer -c 0



Simple mixer control 'Master',0

  Capabilities: pvolume pswitch penum

  Playback channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Mono:

  Front Left: Playback 31 [100%] [0.00dB] [on]

  Front Right: Playback 31 [100%] [0.00dB] [on]

Simple mixer control 'Master Mono',0

  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum

  Playback channels: Mono

  Limits: Playback 0 - 31

  Mono: Playback 31 [100%] [0.00dB] [off]

Simple mixer control 'Master Surround',0

  Capabilities: pvolume pswitch penum

  Playback channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Mono:

  Front Left: Playback 31 [100%] [0.00dB] [off]

  Front Right: Playback 31 [100%] [0.00dB] [off]

Simple mixer control 'Headphone Jack Sense',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [off]

Simple mixer control 'PCM',0

  Capabilities: pvolume pswitch penum

  Playback channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Mono:

  Front Left: Playback 31 [100%] [12.00dB] [off]

  Front Right: Playback 31 [100%] [12.00dB] [off]

Simple mixer control 'Surround',0

  Capabilities: pvolume pswitch penum

  Playback channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Mono:

  Front Left: Playback 31 [100%] [0.00dB] [off]

  Front Right: Playback 31 [100%] [0.00dB] [off]

Simple mixer control 'Surround Jack Mode',0

  Capabilities: enum

  Items: 'Shared' 'Independent'

  Item0: 'Shared'

Simple mixer control 'Center',0

  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum

  Playback channels: Mono

  Limits: Playback 0 - 31

  Mono: Playback 31 [100%] [0.00dB] [off]

Simple mixer control 'LFE',0

  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum

  Playback channels: Mono

  Limits: Playback 0 - 31

  Mono: Playback 31 [100%] [0.00dB] [off]

Simple mixer control 'Line',0

  Capabilities: pvolume pswitch cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Playback channels: Front Left - Front Right

  Capture channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Front Left: Playback 31 [100%] [12.00dB] [off] Capture [off]

  Front Right: Playback 31 [100%] [12.00dB] [off] Capture [off]

Simple mixer control 'Line Jack Sense',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [off]

Simple mixer control 'CD',0

  Capabilities: pvolume pswitch cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Playback channels: Front Left - Front Right

  Capture channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Front Left: Playback 31 [100%] [12.00dB] [off] Capture [off]

  Front Right: Playback 31 [100%] [12.00dB] [off] Capture [off]

Simple mixer control 'Mic',0

  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Playback channels: Mono

  Capture channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Mono: Playback 0 [0%] [-34.50dB] [off]

  Front Left: Capture [on]

  Front Right: Capture [on]

Simple mixer control 'Mic Boost (+20dB)',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [off]

Simple mixer control 'Mic Select',0

  Capabilities: enum

  Items: 'Mic1' 'Mic2'

  Item0: 'Mic1'

Simple mixer control 'Video',0

  Capabilities: cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Capture channels: Front Left - Front Right

  Front Left: Capture [off]

  Front Right: Capture [off]

Simple mixer control 'Phone',0

  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Playback channels: Mono

  Capture channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Mono: Playback 31 [100%] [12.00dB] [off]

  Front Left: Capture [off]

  Front Right: Capture [off]

Simple mixer control 'Aux',0

  Capabilities: pvolume pswitch cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Playback channels: Front Left - Front Right

  Capture channels: Front Left - Front Right

  Limits: Playback 0 - 31

  Front Left: Playback 31 [100%] [12.00dB] [off] Capture [off]

  Front Right: Playback 31 [100%] [12.00dB] [off] Capture [off]

Simple mixer control 'Capture',0

  Capabilities: cvolume cswitch penum

  Capture channels: Front Left - Front Right

  Limits: Capture 0 - 15

  Front Left: Capture 0 [0%] [0.00dB] [on]

  Front Right: Capture 0 [0%] [0.00dB] [on]

Simple mixer control 'Mix',0

  Capabilities: cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Capture channels: Front Left - Front Right

  Front Left: Capture [off]

  Front Right: Capture [off]

Simple mixer control 'Mix Mono',0

  Capabilities: cswitch cswitch-exclusive penum

  Capture exclusive group: 0

  Capture channels: Front Left - Front Right

  Front Left: Capture [off]

  Front Right: Capture [off]

Simple mixer control 'Channel Mode',0

  Capabilities: enum

  Items: '2ch' '4ch' '6ch'

  Item0: '2ch'

Simple mixer control 'Downmix',0

  Capabilities: enum

  Items: 'Off' '6 -> 4' '6 -> 2'

  Item0: 'Off'

Simple mixer control 'Exchange Front/Surround',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [off]

Simple mixer control 'External Amplifier',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [on]

Simple mixer control 'High Pass Filter Enable',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [on]

Simple mixer control 'Spread Front to Surround and Center/LFE',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [off]

Simple mixer control 'Stereo Mic',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [off]

Simple mixer control 'V_REFOUT Enable',0

  Capabilities: pswitch pswitch-joined penum

  Playback channels: Mono

  Mono: Playback [on]

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answered 2 Years ago iriousutur · Accepted Answer

Solved by adding my user to the sound group.

sudo useradd -G sound {username}

Then forced my integrated soundcard to have an index of 1 so the pci card defaults to 0.

Find the card you don't want to be the deafult. Mine is snd_intel8x0. The current default has the index of 0.

cat /proc/asound/modules



0 snd_cmipci

1 snd_intel8x0

Modify the conf file so the card you don't want as default is set to index 1

sudo nano /etc/modprobe.d/alsa-base.conf

Find the line:

# Prevent abnormal drivers from grabbing index 0

and add the following below it, using the name of your soundcard in place of my snd_intel8x0

options snd_intel8x0 index=1

Finally reboot and use the alsamixer to ensure the card isnt muted.

alsamixer