Sound/volume control problem

[Evan Dower]

I am reminded of Thu, Jun 23, 2005 at 03:20:58PM -0400 when Ryan R. said:
> I'm running 6-CURRENT/amd64 dated Wed Jun 22 11:41:19 PDT 2005, using a
> Soundblaster Live! sound card.  I have "device sound" and "device
> snd_emu10k1" built into the kernel.  The card is detected by the kernel,
> and the sound appears to work just fine.  The problem is the volume
> control doesn't work.  XMMS for example, gives me this error message when
> adjusting the volume (mixer: vol):
> 
> WARNING pid 88402 (xmms): ioctl sign-extension ioctl ffffffffc0044d00
> 
> And when telling XMMS that volume controls pcm rather than master vol:
> 
> WARNING pid 88405 (xmms): ioctl sign-extension ioctl ffffffffc0044d04
> 
> In an attempt to rule out XMMS as the problem, I also installed mplayer. 
> Mplayer doesn't spit out an error message when adjusting the volume, but
> the volume stays at a constant level.  I've checked the output of mixer,
> and that sees the volume changes, but doesn't actually adjust the volume.
> 
> Is this a FreeBSD error, or a user error?  Is there anything that I could
> try to fix the problem?  Thanks.
> 
>   Ryan

Have you tried using plain-old mixer to change the volume? I wonder if
it might give other useful information.

# adjust the master volume a couple times
mixer 75
mixer 100
# adjust the pcm volume a couple times
mixer pcm 100
mixer pcm 75

-- 
Evan Dower
Software Development Engineer
Amazon.com, Inc.
Public key: http://students.washington.edu/evantd/pgp-pub-key.txt
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