Hello.

I am using Gentoo, and I followed their how-to when installing ALSA:

http://www.gentoo.org/doc/en/alsa-guide.xml

and I was seeing some weird behavior.

At first, I could get a few apps to make sound (Gaim and XMMS once I
installed the alsa output mod for it) but most programs told me I had no
output device.

Well, I checked it out, and found that there was no /dev/dsp present.
Since the /dev/snd/pcmC0D0c is equivalent i tried:

[EMAIL PROTECTED] mcrawfor $ ln -s /dev/snd/pcmC0D0c /dev/dsp
ln: `/dev/dsp': File exists
[EMAIL PROTECTED] mcrawfor $

Whaoh! Now /dev/dsp exists? I looked and it was there!  I went back and
ran mplayer; it worked perfectly..... okay.....

So my current hack to get this thing to work is a line at the botton of my
alsasound init script that just says:

touch /dev/dsp

Which spontaneously creates the /dev/dsp in a working fashion.  Any ideas
why this crazy thing is happening?  Here are some config files; those
relevant in the gentoo howto.  If anyone wants to see others, let me know.

-----/etc/modules.d/alsa-------

# Alsa 0.9.X kernel modules' configuration file.
# $Header:
/home/cvsroot/gentoo-x86/media-sound/alsa-driver/files/alsa-modules.conf-rc,v
1.1 2002/12/21 06:31:52 agenkin Exp $

# ALSA portion
alias char-major-116 snd
# OSS/Free portion
alias char-major-14 soundcore

##
## IMPORTANT:
## You need to customise this section for your specific sound card(s)
## and then run `update-modules' command.
## Read alsa-driver's INSTALL file in /usr/share/doc for more info.
##
##  ALSA portion
 alias snd-card-0 snd-intel8x0
## alias snd-card-1 snd-ens1371
##  OSS/Free portion
## alias sound-slot-0 snd-card-0
## alias sound-slot-1 snd-card-1
##

###############
# OSS/Free portion - card #1
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
##########


##  OSS/Free portion - card #2
## alias sound-service-1-0 snd-mixer-oss
## alias sound-service-1-3 snd-pcm-oss
## alias sound-service-1-12 snd-pcm-oss

alias /dev/mixer snd-mixer-oss
alias /dev/dsp snd-pcm-oss
alias /dev/midi snd-seq-oss

# Set this to the correct number of cards.
options snd cards_limit=1


--------/etc/devfsd.conf-------------

# The Gentoo Linux Team - http://www.gentoo.org/
#     - Many fixes, etc
#
# $Header: /home/cvsroot/gentoo-src/rc-scripts/etc/devfsd.conf,v 1.16
2003/05/18 21:51:34 azarah Exp $

# Enable full compatibility mode for old device names. You may comment
these
# out if you don't use the old device names. Make sure you know what
you're
# doing!
REGISTER        .*           MKOLDCOMPAT
UNREGISTER      .*           RMOLDCOMPAT

# You may comment out the above and uncomment the following if you've
# configured your system to use the original "new" devfs names or the
really
# new names
#REGISTER       vc/.*        MKOLDCOMPAT
#UNREGISTER     vc/.*        RMOLDCOMPAT
#REGISTER       pty/.*       MKOLDCOMPAT
#UNREGISTER     pty/.*       RMOLDCOMPAT
#REGISTER       misc         MKOLDCOMPAT
#UNREGISTER     misc         RMOLDCOMPAT

# You may comment these out if you don't use the original "new" names
REGISTER        .*           MKNEWCOMPAT
UNREGISTER      .*           RMNEWCOMPAT

# Enable module autoloading. You may comment this out if you don't use
# autoloading
LOOKUP          .*           MODLOAD

# Uncomment the following if you want to set the group to "tty" for the
# pseudo-tty devices. This is necessary so that mesg(1) can later be used
to
# enable/disable talk requests and wall(1) messages.
REGISTER        ^pty/s.*     PERMISSIONS -1.tty  0600
REGISTER        ^pts/.*      PERMISSIONS -1.tty  0600

# Uncomment this if you want permissions to be saved and restored
# NB: Do NOT change the following!
# Do not do this for pseudo-terminal devices
REGISTER        ^pt[sy]/.*   IGNORE
CHANGE          ^pt[sy]/.*   IGNORE
CREATE          ^pt[sy]/.*   IGNORE
DELETE          ^pt[sy]      IGNORE
REGISTER        ^log         IGNORE
CHANGE          ^log         IGNORE
CREATE          ^log         IGNORE
DELETE          ^log         IGNORE
REGISTER        .*           COPY    /lib/dev-state/$devname $devpath
CHANGE          .*           COPY    $devpath /lib/dev-state/$devname
CREATE          .*           COPY    $devpath /lib/dev-state/$devname
DELETE          .*           CFUNCTION GLOBAL unlink
/lib/dev-state/$devname
RESTORE         /lib/dev-state

# You can force default like this :
# PERMISSIONS owner_and_group access_mode

# Video4Linux devices
REGISTER       v4l/.*       PERMISSIONS root.video 660

# ALSA/OSS stuff
# Comment/change these if you want to change the permissions on
# the audio devices
LOOKUP          snd          MODLOAD ACTION snd
LOOKUP          dsp          MODLOAD
LOOKUP          mixer        MODLOAD
LOOKUP          midi         MODLOAD
REGISTER        sound/.*     PERMISSIONS root.audio 660
REGISTER        snd/.*       PERMISSIONS root.audio 660

# Uncomment this to let PAM manage devfs
#REGISTER        .*           CFUNCTION
/lib/security/pam_console_apply_devfsd.so pam_console_apply_single
$devpath

# Autoload the sg module if generic scsi driver compiled as module.
#LOOKUP          ^sg$      MODLOAD ACTION sg

# Give the cdrw group write permissions to /dev/sg0
# This is done to have non root user use the burner (scan the scsi bus)
#REGISTER        ^scsi/host.*/bus.*/target.*/lun.*/generic    PERMISSIONS
root.cdrw 660

# General note for the following auto creation of symlinks:
#
#    If you change the device that the symlink points to,
#    you should also remove the symlink before restarting
#    devfsd

# Create /dev/cdrom for the first cdrom drive
LOOKUP          ^cdrom$          CFUNCTION GLOBAL mksymlink cdroms/cdrom0
cdrom
REGISTER        ^cdroms/cdrom0$   CFUNCTION GLOBAL mksymlink $devname
cdrom
UNREGISTER      ^cdroms/cdrom0$   CFUNCTION GLOBAL unlink cdrom

# Create /dev/dvd for the second cdrom drive
# (change 'cdroms/cdrom1' to suite your setup)
# NOTE: We add the fully qualified path here, else some apps
#       have problems to resolve the true device (drip comes to mind)
#LOOKUP          ^dvd$           CFUNCTION GLOBAL mksymlink
${mntpnt}/cdroms/cdrom1 dvd
#REGISTER        ^cdroms/cdrom1$  CFUNCTION GLOBAL mksymlink ${devpath}
dvd
#UNREGISTER      ^cdroms/cdrom1$  CFUNCTION GLOBAL unlink dvd

# Create /dev/cdrw for the first cdrom on the scsi bus
# (change 'sr0' to suite your setup)
#LOOKUP          ^cdrw$          CFUNCTION GLOBAL mksymlink sr0 cdrw
#REGISTER        ^sr0$           CFUNCTION GLOBAL mksymlink $devname cdrw
#UNREGISTER      ^sr0$           CFUNCTION GLOBAL unlink cdrw

# Create /dev/mouse
LOOKUP          ^mouse$          CFUNCTION GLOBAL mksymlink misc/psaux
mouse
REGISTER        ^misc/psaux$     CFUNCTION GLOBAL mksymlink $devname mouse
UNREGISTER      ^misc/psaux$     CFUNCTION GLOBAL unlink mouse

# Manage USB mouse
REGISTER        ^input/mouse0$   CFUNCTION GLOBAL mksymlink $devname
usbmouse
UNREGISTER      ^input/mouse0$   CFUNCTION GLOBAL unlink usbmouse
REGISTER        ^input/mice$     CFUNCTION GLOBAL mksymlink $devname
usbmouse
UNREGISTER      ^input/mice$     CFUNCTION GLOBAL unlink usbmouse

# Support additional config installed by packages ...
INCLUDE /etc/devfs.d

# devfsd.conf ends here


Thanks guys!

-miles


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