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Alsa doesn't work correctly after kernel upgrade
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nutsi
n00b
n00b


Joined: 13 Jul 2012
Posts: 32

PostPosted: Sun Mar 17, 2013 7:45 pm    Post subject: Reply with quote

Normally, I've alsa into the kernel but just for the test I build it in module and modprobe load it (all asla modules for my sound card).
Tomorrow, I'll make a diff between my previous kernel (3.6.8) and my new kernel (3.7.2).
But I'll have some differences. Like I said before with the new kernel I've no all the /dev/snd/controlC entries..
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nutsi
n00b
n00b


Joined: 13 Jul 2012
Posts: 32

PostPosted: Mon Mar 18, 2013 9:10 am    Post subject: Reply with quote

So, this is the output of ls -l /sys/class/sound for kernel 3.6.8:

Quote:
total 0
drwxr-xr-x 2 root root 0 Mar 18 09:42 .
drwxr-xr-x 44 root root 0 Mar 18 09:42 ..
lrwxrwxrwx 1 root root 0 Mar 18 09:42 audio -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/audio
lrwxrwxrwx 1 root root 0 Mar 18 09:42 card0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0
lrwxrwxrwx 1 root root 0 Mar 18 09:42 card1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1
lrwxrwxrwx 1 root root 0 Mar 18 09:42 controlC0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/controlC0
lrwxrwxrwx 1 root root 0 Mar 18 09:42 controlC1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/controlC1
lrwxrwxrwx 1 root root 0 Mar 18 09:42 dsp -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/dsp
lrwxrwxrwx 1 root root 0 Mar 18 09:42 hwC0D0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/hwC0D0
lrwxrwxrwx 1 root root 0 Mar 18 09:42 hwC1D0 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D0
lrwxrwxrwx 1 root root 0 Mar 18 09:42 hwC1D1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D1
lrwxrwxrwx 1 root root 0 Mar 18 09:42 hwC1D2 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D2
lrwxrwxrwx 1 root root 0 Mar 18 09:42 hwC1D3 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D3
lrwxrwxrwx 1 root root 0 Mar 18 09:42 mixer -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/mixer
lrwxrwxrwx 1 root root 0 Mar 18 09:42 mixer1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/mixer1
lrwxrwxrwx 1 root root 0 Mar 18 09:42 pcmC0D0c -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/pcmC0D0c
lrwxrwxrwx 1 root root 0 Mar 18 09:42 pcmC0D0p -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/pcmC0D0p
lrwxrwxrwx 1 root root 0 Mar 18 09:42 pcmC1D3p -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/pcmC1D3p
lrwxrwxrwx 1 root root 0 Mar 18 09:42 pcmC1D7p -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/pcmC1D7p
lrwxrwxrwx 1 root root 0 Mar 18 09:42 pcmC1D8p -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/pcmC1D8p
lrwxrwxrwx 1 root root 0 Mar 18 09:42 pcmC1D9p -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/pcmC1D9p
lrwxrwxrwx 1 root root 0 Mar 18 09:42 seq -> ../../devices/virtual/sound/seq
lrwxrwxrwx 1 root root 0 Mar 18 09:42 sequencer -> ../../devices/virtual/sound/sequencer
lrwxrwxrwx 1 root root 0 Mar 18 09:42 sequencer2 -> ../../devices/virtual/sound/sequencer2
lrwxrwxrwx 1 root root 0 Mar 18 09:42 timer -> ../../devices/virtual/sound/timer


And this one for the klernel 3.7.2:

Quote:
total 0
drwxr-xr-x 2 root root 0 Mar 18 09:45 .
drwxr-xr-x 44 root root 0 Mar 18 09:45 ..
lrwxrwxrwx 1 root root 0 Mar 18 09:45 audio -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/audio
lrwxrwxrwx 1 root root 0 Mar 18 09:45 card0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0
lrwxrwxrwx 1 root root 0 Mar 18 09:45 card1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1
lrwxrwxrwx 1 root root 0 Mar 18 09:45 controlC0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/controlC0
lrwxrwxrwx 1 root root 0 Mar 18 09:45 controlC1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/controlC1
lrwxrwxrwx 1 root root 0 Mar 18 09:45 dsp -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/dsp
lrwxrwxrwx 1 root root 0 Mar 18 09:45 hwC0D0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/hwC0D0
lrwxrwxrwx 1 root root 0 Mar 18 09:45 hwC1D0 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D0
lrwxrwxrwx 1 root root 0 Mar 18 09:45 hwC1D1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D1
lrwxrwxrwx 1 root root 0 Mar 18 09:45 hwC1D2 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D2
lrwxrwxrwx 1 root root 0 Mar 18 09:45 hwC1D3 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/hwC1D3
lrwxrwxrwx 1 root root 0 Mar 18 09:45 mixer -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/mixer
lrwxrwxrwx 1 root root 0 Mar 18 09:45 mixer1 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/mixer1
lrwxrwxrwx 1 root root 0 Mar 18 09:45 pcmC0D0c -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/pcmC0D0c
lrwxrwxrwx 1 root root 0 Mar 18 09:45 pcmC0D0p -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/pcmC0D0p
lrwxrwxrwx 1 root root 0 Mar 18 09:45 seq -> ../../devices/virtual/sound/seq
lrwxrwxrwx 1 root root 0 Mar 18 09:45 sequencer -> ../../devices/virtual/sound/sequencer
lrwxrwxrwx 1 root root 0 Mar 18 09:45 sequencer2 -> ../../devices/virtual/sound/sequencer2
lrwxrwxrwx 1 root root 0 Mar 18 09:45 timer -> ../../devices/virtual/sound/timer


Many files are missing from 3.7.2 :/
I don't see why my default card isn't recognise by default (I must specify my card name or number to launch amixer), and many files are missing for my card1, badly :/
And I've always
Quote:
alsactl: set_control:1328: failed to obtain info for control #X (No such file or directory)
at the boot time. Normal, because /dev/snd/controlCX is missing too.
Now, I have no PCM control for my card.
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