Re: [Alsa-user] Cannot record sound, SIS7012, Alsa 1.0.6, Debian testing/unstable, kernel 2.6.9

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Well, shame on me, I had the wrong mic selected in alsamixer, mic2 
instead of mic1 that works perfectly...

Barbara Post wrote:
> Hi again,
> 
> (see the message below for former technical details)
> 
> I just booted my unhealthy hard drive and sound recording works.
> 
> I looked through the /sys and /dev pseudo-filesystems and it looks like
> there is no difference.
> 
> I also have the same configuration files in /etc, and load the same
> modules in /etc/modules, only these two ones:
> snd_pcm_oss
> snd_mixer_oss
> 
> The only difference is that I use KDE 3.2 in the old system, and KDE 3.3
> in the new one. In KDE's control center, I have disabled the sound
> daemon (arts) in both cases.
> 
> But on the new system the sound recording is also impossible with
> another windows manager (xfce4), so it means it's an alsa problem...
> 
> It seems that alsa-oss package is useless, I didn't have it installed on
> old system.
> 
> I am really more and more clueless. Can anyone shed some light on what
> can be checked, debugged ? How ?
> 
> I didn't find anything on google excepted some people saying they
> couldn't record sound with this sound chip. But I was able to !
> 
> Thank you so much.
> 
> Barbara
> -------- Original Message ---- with some editing----
> 
> Hi,
> 
> I freshly reinstalled my system after a hard drive crash and before
> that, I was fully able to record sound through the microphone. Now I
> cannot. I use a 2.6.9 kernel, Debian testing/unstable, alsa-base,
> alsa-utils and alsa-oss version 1.0.6a-7.
> Before the crash I had the same version of alsa, 1.0.6-5 or 1.0.6-6 and
> the very same kernel. (...)
> 
> Here is some information that may be useful. I have troubles to know
> where to start to solve my bug.
> 
> Thank you very much for any hint, since most of the info I found on the
> web was for alsa prior to 1.0...
> 
> Device :
> 
> 0000:00:02.7 Multimedia audio controller: Silicon Integrated Systems
> [SiS] Sound Controller (rev a0)
>         Subsystem: Elitegroup Computer Systems: Unknown device 0a14
>         Flags: bus master, medium devsel, latency 64, IRQ 11
>         I/O ports at dc00 [size=256]
>         I/O ports at d800 [size=64]
>         Capabilities: [48] Power Management version 2
> 
> .config :
> 
> CONFIG_SOUND=y
> CONFIG_SND=y
> CONFIG_SND_TIMER=y
> CONFIG_SND_PCM=y
> CONFIG_SND_RAWMIDI=y
> CONFIG_SND_SEQUENCER=m
> CONFIG_SND_SEQ_DUMMY=m
> CONFIG_SND_OSSEMUL=y
> CONFIG_SND_MIXER_OSS=m
> CONFIG_SND_PCM_OSS=m
> CONFIG_SND_SEQUENCER_OSS=y
> 
> CONFIG_SND_MPU401_UART=y
> CONFIG_SND_VIRMIDI=m
> CONFIG_SND_MTPAV=m
> CONFIG_SND_SERIAL_U16550=m
> CONFIG_SND_MPU401=m
> 
> CONFIG_SND_AC97_CODEC=y
> CONFIG_SND_INTEL8X0=y
> 
> Loaded modules :
> 
> snd_pcm_oss            55656  0
> snd_mixer_oss          18944  1 snd_pcm_oss
> 
> /etc/modprobe.d/alsa-base :
> 
> install snd-pcm /sbin/modprobe --ignore-install snd-pcm &&
> /sbin/modprobe snd-pcm-oss
> install snd-mixer /sbin/modprobe --ignore-install snd-mixer &&
> /sbin/modprobe snd-mixer-oss
> install snd-seq /sbin/modprobe --ignore-install snd-seq &&
> /sbin/modprobe snd-seq-oss
> 
> /etc/devfs/conf.d/alsa :
> 
> # device permissions for ALSA sound devices.
> REGISTER ^snd/.*    PERMISSIONS root.audio  0660
> REGISTER ^snd/controlC0 CFUNCTION GLOBAL symlink
> /proc/asound/oss/sndstat sndstat
> 
> (I belong to the audio group).
> 
> /etc/modutils/alsa-base :
> 
> above snd-pcm snd-pcm-oss
> above snd-mixer snd-mixer-oss
> above snd-seq snd-seq-oss
> 
> I don't know where alsamixer saves its settings :(
> 
> [AlsaMixer v1.0.6 (Press Escape to quit)]
> │ Card: SiS SI7012
>        │
> │ Chip: Realtek ALC200/200P rev 0
>        │
> 
> Unmuted and set to some level : master, master mono,
> headphone, pcm, line, cd, mic ("capture L R" written on top), video,
> phone, pc speaker, aux, capture ("capture L R" written on top)
> 
> So whatever program I use, I cannot record any input from the
> microphone. I could get some noise from the line in, but it wasn't a
> decent sound at all.
> 
> Most of my /dev/xxx devices symlink to a similar /dev/xxx0 real device :
> 
> babs1:/home/barbara# ls -l /dev/dsp0
> crw-rw----  1 root audio 14, 3 2004-10-30 15:50 /dev/dsp0
> babs1:/home/barbara# ls -l /dev/mixer
> mixer   mixer0  mixer1  mixer2  mixer3
> babs1:/home/barbara# ls -l /dev/mixer0
> crw-rw----  1 root audio 14, 0 2004-10-30 15:50 /dev/mixer0
> babs1:/home/barbara# ls -l /dev/sequencer
> crw-rw----  1 root audio 14, 1 2004-10-30 15:50 /dev/sequencer
> 
> 
> I know that for earlier configurations of alsa you had to use a bunch of
> aliases as follow -- well, they are of no use for 2.6 kernels anymore.
> 
>     # ALSA portion
> alias char-major-116 snd
> alias snd-card-0 snd-intel8x0
>     # module options should go here
> options intel8x0 enable_midi="1"
>     # OSS/Free portion
> alias sound-slot-0 snd-card-0
> 
>     # card #1
> alias sound-service-0-0 snd-mixer-oss
> alias sound-service-0-1 snd-seq-oss
> alias sound-service-0-3 snd-pcm-oss
> alias sound-service-0-8 snd-seq-oss
> alias sound-service-0-12 snd-pcm-oss
> 
> ~/.asoundrc :
> 
> pcm.intel8x0 {
> type hw
> card 0
> }
> 
> ctl.intel8x0 {
> type hw
> card 0
> }
> 
> Thank you very much for any hint. My computer life looks so sound
> without sound recording...
> 
> Barbara
> 
> 
> 
> 
> 
> 
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> 
> 
> 
> 
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