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On Sat, Jun 04, 2011 at 11:30:01AM +0200, Mick wrote: |
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> On Friday 03 Jun 2011 21:10:29 meino.cramer@×××.de wrote: |
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> |
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> > When i start alsamixer and select with the "soundcard"-selector |
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> > the audio device of my usb cam ... alsamixer crashes with: |
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> > |
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> > cannot load mixer controls: Invalid argument |
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> > |
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> > |
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> > ...still no sound via usb cam and it seems no chance to use alsamixer |
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> > with it...damn...this /had/ worked and I dont know what it kills... |
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> > |
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> > mylinux:/home/user>aplay -l |
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> > **** List of PLAYBACK Hardware Devices **** |
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> > card 0: SB [HDA ATI SB], device 0: VT2020 Analog [VT2020 Analog] |
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> > Subdevices: 2/2 |
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> > Subdevice #0: subdevice #0 |
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> > Subdevice #1: subdevice #1 |
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> > card 0: SB [HDA ATI SB], device 1: VT2020 Digital [VT2020 Digital] |
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> > Subdevices: 2/2 |
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> > Subdevice #0: subdevice #0 |
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> > Subdevice #1: subdevice #1 |
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> |
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> Your camera's sound card is not shown here (stating the obvious). |
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> |
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> Have you tried building it as a module and modprobe -v <driver> to see what |
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> messages you get? |
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> |
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> > mylinux:/home/user>arecord -l |
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> > **** List of CAPTURE Hardware Devices **** |
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> > card 0: SB [HDA ATI SB], device 0: VT2020 Analog [VT2020 Analog] |
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> > Subdevices: 2/2 |
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> > Subdevice #0: subdevice #0 |
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> > Subdevice #1: subdevice #1 |
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> > card 1: CameraB404271 [USB Camera-B4.04.27.1], device 0: USB Audio [USB |
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> > Audio] Subdevices: 1/1 |
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> > Subdevice #0: subdevice #0 |
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> [snip...] |
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> |
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> |
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> |
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> > !!Loaded ALSA modules |
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> > !!------------------- |
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> > |
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> > |
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> > |
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> |
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> I would suggest that you build alsa as modules at least for troubleshooting |
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> purposes. I had to do that in the past to get things working in a box, |
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> following the recommendation of the devs. |
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> |
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|
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I second that. For years I built the ALSA drivers into the kernel, but |
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for some reason that started giving me trouble some months back and |
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after switching to using modules instead it's back to being a carefree |
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setup. |
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|
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-- |
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caveat utilitor |
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♫ ❤ ♫ ❤ ♫ ❤ ♫ ❤ |