So I upgraded to Ubuntu LTS latest version from the previous version using sudo do-release-upgrade -d. Now I can only see dummy output in Audio Volume Settings.
My sound card info is
Code:
myuser@myhost:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
I try speaker test and I get no sound
Code:
myuser@myhost:~$ speaker-test -t wav -c 2
speaker-test 1.2.2
Playback device is default
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 96 to 1048576
Period size range from 32 to 349526
Using max buffer size 1048576
Periods = 4
was set period_size = 262144
was set buffer_size = 1048576
0 - Front Left
1 - Front Right
^CTime per period = 4.441137
BUT I get sound as root
Code:
myuser@myhost:~$ sudo speaker-test -t wav -c 2
speaker-test 1.2.2
Playback device is default
Stream parameters are 48000Hz, S16_LE, 2 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 2048 to 8192
Period size range from 1024 to 1024
Using max buffer size 8192
Periods = 4
was set period_size = 1024
was set buffer_size = 8192
0 - Front Left
1 - Front Right
Time per period = 2.852056
0 - Front Left
^CWrite error: -4,Interrupted system call
xrun_recovery failed: -4,Interrupted system call
Transfer failed: Interrupted system call
So is this some permission missing problem?
Code:
myuser@myhost:~$ ls -l /dev/snd/*
crw-rw----+ 1 root audio 116, 7 May 10 00:09 /dev/snd/controlC0
crw-rw----+ 1 root audio 116, 5 May 10 00:09 /dev/snd/hwC0D0
crw-rw----+ 1 root audio 116, 6 May 10 00:09 /dev/snd/hwC0D3
crw-rw----+ 1 root audio 116, 3 May 10 00:09 /dev/snd/pcmC0D0c
crw-rw----+ 1 root audio 116, 2 May 10 00:22 /dev/snd/pcmC0D0p
crw-rw----+ 1 root audio 116, 4 May 10 00:09 /dev/snd/pcmC0D3p
crw-rw----+ 1 root audio 116, 1 May 10 00:09 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 May 10 00:09 /dev/snd/timer
/dev/snd/by-path:
total 0
lrwxrwxrwx 1 root root 12 May 10 00:09 pci-0000:00:1b.0 -> ../controlC0
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