[Alsa-user] Slackware-8.0 and Alsa drivers

2002-01-15 Thread Wayne Chan

Hi,

Just some info for Slackware-8.0 users that I have discovered.

For those who install the kernel 2.4.5 image and source, please note that
the kernel is compile with "/dev file system support" enable under "File
systems".

This create a problem when compiling alsa driver. Alsa config will assuming
that devfs will be automatically mounted at boot. So after compiling and
install the alsa drivers, when you do a modprobe, the alsa driver will tries
to create the "/dev" directory under devfs (Under normal case, "/dev" should
be at /proc/asound). So without this "/dev" directory, even though you see
the driver loaded correctly, there will no sound and all alsa utilities
throw out error like "mixer not found" blah blah blah.

Solutions: Before compiling alsa drivers, do either

1) With kernel 2.4.5 and higher source,
- do "make menuconfig".
- Unselect "/dev file system support" under file system.
- Save and exit
- do "make dep"
(Recompile of kernel not necessary)

Or

2) Recompile kernel with "/dev file system support" AND "Automatically mount
at boot" enable.
(Note: Slackware-8.0 have already prepared /etc/rc.S to mount devfs
whenever necessary)


Hope this info is of help.


Cheers,
Wayne


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Re: [Alsa-user] alsa & devFS support on Slack

2002-01-24 Thread Wayne Chan

Hi Andrea,

- Original Message -
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, January 25, 2002 2:59 AM
Subject: [Alsa-user] alsa & devFS support on Slack


>
> Hi all, in a precedent post I'd read that to have a correct installation
with SlackWare 8.0, 2.4.5 and alsa driver I must enable  in "filesystem" the
voice "Automatically mount at boot time" in "/devFS support".
>
> But mounting /dev at boot time my boot crash because it don't find
partitions..

So did you recompiled and install the kernel with devfs disable?

>
> Problem is that when I modprobe modules (intel8x0 and snd-pcm-oss) not all
the links at /proc/asound go fine. I've all the files and dirs but I don't
have /proc/asound/dev (created by "ln -vfs /dev/snd /proc/asound/dev").
>

Recompiled & Reinstallation the alsa driver after rebooting with the new
kernel.
(Must used "./snddevices" when devfs is disable.)

> Maybe is for this missing link that amixer and alsactl tell me "ALSA
driver was not found in this system" and don't goes.
>
> What do you think?
>
> Thanks, Andrea
>
> -
>
> messaggio inviato con Freemail by superEva
> http://www.supereva.it
>
> -
>
>
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