Hardware problems after installing 5.4 pre-release

[albi at scii.nl]

On Thu, 24 Mar 2005 22:07:57 +0000
Todd Shirk <ts4short at gmail.com> wrote:

> (MYKERNEL is the GENERIC plus the lines needed for loading the sound
> system and the via8233 sound driver for my sound card)
>   device       sound
>   device       "snd_via8233"
> (with mergemaster I chose "i" for each file, indicating to use
> tempory)
> 
> I booted into the new environment and started KDE3.4.  I noticed that
> I had no sound and no usb mouse functionality.  I did the following:
> 
> # cat /dev/sndstat
> FreeBSD Audio Driver (newpcm)
> Installed devices:
> pcm0: <VIA VT8235> at io 0x1000 irq 10  (5p/1r/0v channels duplex
> default)

did you check with kldstat which module for sounds was loaded ?
and tried : kldload snd_driver ?

see e.g. :
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/sound-setup.html