kern/86557: [sound] Sound Card Volume isn't adjustable -- Intel ICH2 (82801BA)

Ariff Abdullah skywizard at
Wed Sep 28 14:13:53 PDT 2005

On Thu, 29 Sep 2005 04:19:53 +0900
Byung-Hee HWANG <bh at> wrote:
> Oh My God!
> After patch, I found some problems.
> 1. The Sound volume is weaker than before patch.
> 2. Left speaker is not working.
> Thus I came back to the old kernel.

Oh my.. are you sure it was not because of your hardware/speaker? Use
the patched kernel, sysctl hw.snd.maxautovchans=10 , sysctl
hw.snd.pcm0.vchans=10 , see if that make any differences.

Note: Make sure you applying that patch to a *real clean* sources.
      rm -f /usr/src/sys/sys/soundcard.h
      rm -rf /usr/src/sys/modules/sound/sound /usr/src/sys/dev/sound
      apply the patch
      .. if you're not sure.


Ariff Abdullah
MyBSD (IPv6/IPv4) (IPv6/IPv4) (IPv6/IPv4)

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