Re: Realtek sound driver query

2007-12-19 Thread Manolis Kiagias
Chris Makepeace wrote:
 I am a Linux distro fiddler who is trying to settle down...

 Just installed PC-BSD and the .../dev/dsp could not be opened (no
 such file or directory) error appeared.  Mixer cannot be found,
 says the little panel icon.

 Sound is supposed to come via an integrated Realtek ACL883 chip on the
 P965 main board.  Realtek themselves have drivers for Linux (2.4 and
 2.6) and also RHEL4 update 4.  These are tar.bz files; dare I
 inflict them on my new setup?  I dread trying to hack them to fit it.

 Most other searches end up with Windows drivers only.
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In short: no don't try it.
I don't have an 965P mobo, but my guess is they are using some form of
High Definition Audio (azalia) chipset.
These usually work with the snd_hda driver, which can be loaded as a
module, see instructions here:

http://lists.freebsd.org/pipermail/freebsd-questions/2007-August/155261.html

I believe PC-BSD has this driver as it is based on 6.2-STABLE (if not
you can download the driver from the location mentioned above). Try:

cat /dev/sndstat

and see if it reports anything. Try loading the driver by hand at the
console  and see if it reacts (cat /dev/sndstat):

kldload snd_hda

Also read the specifics on FreeBSD audio driver installation on the
handbook:

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

IIRC, PC-BSD tries to probe all soundcards on startup, so if you have no
sound it may well be your card is unsupported.
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Re: Realtek sound driver query

2007-12-19 Thread Pietro Cerutti
Chris Makepeace wrote:
 I am a Linux distro fiddler who is trying to settle down...
Good idea ;-)

 
 Just installed PC-BSD and the .../dev/dsp could not be opened (no
 such file or directory) error appeared.  Mixer cannot be found,
 says the little panel icon.
 
 Sound is supposed to come via an integrated Realtek ACL883 chip on the
 P965 main board.

I have the same chip, which is supported by the snd_hda driver. If you
have access to the kernel sources, you could try the following:

# cd /usr/src/sys/modules/sound/driver/hda/
# make  make install
# cd /usr/src/sys/modules/sound/sound
# make  make install
# kldload snd_hda

and see whether something appears on your /var/log/messages and the
output of `cat /dev/sndstat`

Best,

-- 
Pietro Cerutti

PGP Public Key:
http://gahr.ch/pgp



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