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Well, I installed Alsa drivers (libs and utils too) on my Slackware 9.0
machine and got sound working with my 2.4.21 kernel. But I still have no
sound when I boot 2.6.0test4. The system says "/dev/dsp doesn't exist",
although all alsa modules are loaded (at least all modules that are loaded
under 2.4.21). Google search gives no hope except for a vague remark on one
site saying that "after some tweaking, it now works". No clarification as
to the nature of tweaking is given. Will be grateful for any pointers.

Withe best wishes,
Merl

Hi there,

Merlin <merlin_the_wizzard@camelot.com> writes:

>Well, I installed Alsa drivers (libs and utils too) on my Slackware 9.0
>machine and got sound working with my 2.4.21 kernel. But I still have no
>sound when I boot 2.6.0test4. The system says "/dev/dsp doesn't exist",
>although all alsa modules are loaded (at least all modules that are loaded
>under 2.4.21). Google search gives no hope except for a vague remark on one
>site saying that "after some tweaking, it now works". No clarification as
>to the nature of tweaking is given. Will be grateful for any pointers.

Is sound configured as modules or compiled into the kernel? If modules:
how does modprobe.conf look?

In my case, sound stuff is modules and I enabled the OSS API emulation.
As a result, I have sound almost out of the box without having installed
any ALSA libs, tools or utilities. I have this working on a Fujitsu
Siemens PC with onboard sound.

In modprobe.conf, I have

[...]
alias char-major-14 i810_audio
[...]
alias snd-card-0 snd_intel8x0
alias sound-slot-0 snd-card-0
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
[...]
options sb io=0x220 irq=7 dma=1 dma16=5 mpu_io=0x330

and that does it, it appears. (I still have to take the plunge
and go ALSA all out, tho) The char-major-14 seems to be a left-over from
'generate-modprobe.conf', since I can't find the corresponding module.
So you probably don't need that entry. Same probably goes for the sb options.
I've left them in for now, since that's what I'm actually working with.

For all the gory details, I recommend
http://www.alsa-project.org/alsa-doc...lsa-howto.html
BTW.

HTH
Martin
--
Martin Boening, mboen@t-online.de

"In order to make an apple pie from scratch, you must first
create the universe." -- Carl Sagan, Cosmos