It took me a while to get sound to work on my System as I was unfamiliar with
the modular kernel, so I wrote this howto. I hope it helps anyone that may be
having some problems getting it to work. If you see something that you
beleive I have done wrong, please let me know and I will make the
adjustments, or feel free to make the adjustments yourself and forward me a
copy.
Thanks
David
Getting sound on FreeBSD 5.1-Release with a Creative Audigy Sound Card.
I switched my main workstaion over to FreeBSD and found out that the Audigy card wasnt
supported by any of the drivers as specified in the handbook.
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/sound-setup.html
After a bit of searching on Google, I came across some promising finds. Firstly there
is the OSS drivers, however there not free, then I also came across this site
http://chibis.persons.gfk.ru/audigy/
from where I downloaded the file emu10kx-22-june-2003.tar.gz into my user directory.
Then I opened up a terminal and logged in as root.
I coppied the archive to my /tmp directory
# cp /home/myuseraccount/emu10kx-22-june-2003.tar.gz /tmp
and unzipped the archive
# tar -xvzf emu10kx-22-june-2003.tar.gz
then I changed into the directory that had just been unzipped
# cd /tmp/emu10kx
I then had to compile the driver and install it
# make install clean
This finished with no errors, and after reading some of the output I noticed it placed
a module in /boot/kernel ( I didnt exactly know that the file was a module, but I
found this out by Google )
I rebooted thinking that maybe on reboot it would load the driver.
After the reboot I did pciconf -l -v which gives me a list of all my pci devices and
what driver there using
# pciconf -l -v
Amongst other information it gave me this
[EMAIL PROTECTED]:10:0: class=0x040100 card=0x00511102 chip=0x00041102
rev=0x03 hdr=0x00
vendor = 'Creative Labs'
device = 'EMU10K2 Audio Chipset ( SB Audigy )
class = multimedia
subclass = audio
the part that Im interested in is [EMAIL PROTECTED]:10:0 because this tells me that
there is no driver attached to the card yet.
I remembered reading somewhere that the drivers got loaded as modules, so I found out
how to load a module, and I found out what the name of the module was by looking
through /boot/kernel until I found the right one , in this case the file is
snd_emu10kx.ko, so to load the module I did:
# kldload -v snd_emu10kx.ko
and to see if the card now had a driver attached I did
# pciconf -l -v
this time it had
[EMAIL PROTECTED]:10:0: class=0x040100 card=0x00511102 chip=0x00041102 rev=0x03
hdr=0x00
vendor = 'Creative Labs'
device = 'EMU10K2 Audio Chipset (SB Audigy)'
class = multimedia
subclass = audio
see this time we can see that the driver is attached to the card. So I rebooted to see
if it loaded up at boot. After I rebooted I did pciconf -l -v again, but to my
dissapointment it wasnt loaded. After looking for help, I found out that you need to
set up /boot/loader.conf file in order for the module to be loaded at boot.
There are to versions of the file, one in /boot/ and one in /boot/defaults. The one in
/boot is completely empty, so I removed it. Make sure it is empty before you remove it
# edit loader.conf file is empty therefore:
# cd /boot
# rm loader.conf
# cp /boot/defaults/loader.conf /boot/
This gives us a file with most of the possible options commented out. This file is
similar to /etc/rc.conf in layout, and in the same way that /etc/rc.conf is read by
/etc/rc, loader.conf is read by /boot/loader.4th. However by default /boot/loader.4th
points to /boot/defaults/loader.conf , so the copy that you made into /boot/ stays
unedited whilst the one in /boot/defaults/ is the one that you modify.
This is basically the contents of my /boot/defaults/loader.conf file in order to get
the Audigy card working
exec=".( Loading /boot/loader.conf ) cr"
kernel="kernel" # /boot sub-directory containing kernel and modules
bootfile="kernel" # Kernel name (possibly absolute path)
kernel_options=""
userconfig_script_load="NO"
userconfig_script_name="/boot/kernel.conf"
userconfig_script_type="userconfig_script"
loader_conf_files="/boot/device.hints /boot/loader.conf /boot/loader.conf.local
/boot/defaults/loader.conf"
nextboot_conf="/boot/nextboot.conf"
nextboot_enable="NO"
verbose_loading="NO" # Set to YES for verbose loader output
#autoboot_delay="10" # Delay in seconds before autobooting
#console="vidconsole" # Set the current console
#currdev="disk1s1a" # Set the current device
module_path="/boot/kernel;/boot/modules" # Set the module search path
#prompt="\\${interpret}" # Set the command prompt
#root_disk_unit="0" # Force the root disk unit number
#rootdev="disk1s1a" # Set the root filesystem
snd_emu10kx_load="YES"
Note that each has its section in the loader.conf file , anything else in the file I
left commented out.
After editing the file, I rebooted my system, and when it finished booting I logged in
as root and did
# pciconf -l -v
and the output I received was
[EMAIL PROTECTED]:10:0: class=0x040100 card=0x00511102 chip=0x00041102 rev=0x03
hdr=0x00
vendor = 'Creative Labs'
device = 'EMU10K2 Audio Chipset (SB Audigy)'
class = multimedia
subclass = audio
However I still didnt have sound, when I did a dmesg I found that my Audigy card was
attached to the pcm1 device node, this is because I had until now been using the
onboard sound wich was attached to pcm0. All I did to fix this was reboot and go into
the bios settings and disable onboard sound, when it rebooted and went into FreeBSD I
had sound through my Audigy card.
-------------------------------------------------------------------------------------
This How to was written by David Lodeiro.
Whilst I make every effort to ensure the accuracy of this document,
I take no responsibility for damage caused whilst attempting to work
through this._______________________________________________
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