FBSD 8.2R does not probe sound card

David Demelier demelier.david at gmail.com
Fri Mar 18 19:02:41 UTC 2011


On 18/03/2011 17:45, Gua Chung Lim wrote:
> Thank you for your kind responses.
> Though I don't understand much what you said,
> I shall give you further info.
>
>> pcm1 device is the HDMI audio output on your graphics card.  My only
>> suggestion here is to play with the sysctl hw.snd.default_unit:
> # tail -n 1 /etc/sysctl.conf
> hw.snd.default_unit=1
> (I left /boot/loader.conf untouched.)
> # shutdown -r now
>
> after reboot
> # kldload snd_driver
> # sysctl -d hw.snd.default_unit
> hw.snd.default_unit: default sound device
> # sysctl hw.snd.default_unit
> hw.snd.default_unit: 0
>
> The speakers are still quiet.
> I wonder why it is still 0, even if /etc/sysctl.conf set it to 1.
>
>> What programs are you using to test the sound output?
> Just repeat backspaces at the blank command prompt.
> guacl at bsdhost:~%<BS><BS><BS>...
> If sound driver is functioning, the speakers should echo.
> Note that the internal speaker (inside the case) does echo, for sure.
>
> Thank you.
>

Please add snd_hda_load="YES" in /boot/loader.conf, you won't need to 
kldload manually.

-- 
David Demelier


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