Hi Orr,
Try switching "external amplifier" in alsamixer on or off,
this had helped me with a similar microfone issue a while ago.
Use full view in alsamixer to see all alsa settings and controls.
New kernel can introduce new alsa setting or control that
you do not see in your current configuration.
When you use a "vanilla" kernel (compiled your own kernel)
you must use alsa-tools, alsa-lib, alsa-utils, etc. from
alsa-project.org. Do not use FC6 alsa-tools on non-FC6 kernels.
- Moshe
Orr Dunkelman wrote:
> Long story short: Laptop, sound card, microphone doesn't work. Windows -
> work.
>
> Laptop: Compaq Evo N800V (four years old)
> FC6. Standard. Kernel - 2.6.20.4 - manually compiled.
>
> modules (courtesy of lsmod):
>
> snd_intel8x0 31644 4
> snd_ac97_codec 89508 1 snd_intel8x0
> ac97_bus 2560 1 snd_ac97_codec
> snd_seq_dummy 3972 0
> snd_seq_oss 29312 0
> snd_seq_midi_event 7296 1 snd_seq_oss
> snd_seq 45808 5
> snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
> snd_seq_device 7948 3 snd_seq_dummy,snd_seq_oss,snd_seq
> snd_pcm_oss 39552 0
> snd_mixer_oss 15616 3 snd_pcm_oss
> parport_pc 26020 1
> snd_pcm 71172 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
> snd_timer 21252 2 snd_seq,snd_pcm
> pcmcia_core 39716 3 pcmcia,yenta_socket,rsrc_nonstatic
> snd 49668 13
> snd_intel8x0,snd_ac97_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
>
> soundcore 7776 3 snd
> snd_page_alloc 9992 2 snd_intel8x0,snd_pcm
> pcspkr 3328 0
>
> playes with alsamixer.
>
> results:
>
> when microphone is on, switch: Microphone Capture, I hear from the speakers
> whatever I say into the mic.
> when it's off - nothing.
>
> Tried all combinations of
> Line-in capture, microphone capture, +20 db Boost, and IEC 958.
> Tried both mic1 and mic2 for inputs (surprisingly only mic1 works).
>
> No other sound device (especially not a mic).
>
> Permissions:
> /dev/dsp and /dev/snd/*
> were user.root and user.user, permission 600.
> none worked.
>
> anyone with some guess why this happens? google tells me a lot about two
> sound cards, but I have only one, and alsamixer does not solve the problem.
>
> Thanks!
>
--
Moshe Gorohovsky
A6 CC A7 E1 C2 BD 8C 1B 30 8E A4 C3 4C 09 88 47 Tk Open Systems Ltd.
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