Load the correct sound driver under FreeBSD without knowing what sound card you are using

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Load the correct sound driver under FreeBSD without knowing what sound card you are using

This has been tested on several FreeBSD releases, from 5.x to 11.x

If you are not sure which sound driver to use, you may try to load the snd_driver module.
As root, load the metadriver snd_driver:

# kldload snd_driver

and then check with 'cat /dev/sndstat' which driver was loaded:

bash-2.05b$ cat /dev/sndstat
FreeBSD Audio Driver (newpcm)
Installed devices:
pcm0: >Intel ICH2 (82801BA)> at io 0x2000, 0x2400 irq 11 bufsz 16384 kld snd_ich (1p/1r/0v channels duplex default)

In the example above, the driver snd_ich was loaded.
You should now be able to use the sound card.
To load the driver automatically when booting, add the following line to /boot/loader.conf:

snd_ich_load="YES"

(Remember to replace the driver with the one displayed by 'cat /dev/sndstat'.)

Only if things still aren't working:
If, for some reason, there is a problem to load the sound kernel module, a fix is to enable sound support in the kernel:

# cd /sys/i386/conf
echo 'device          sound' >> YOURKERNELCONFIGFILE (default is GENERIC)
/usr/sbin/config YOURKERNELCONFIGFILE
cd ../YOURKERNELCONFIGFILE
make depend
make
make install
reboot

Last modified: Wed Sep 7 06:36:35 EDT 2016