Re: [gentoo-user] udev 103, alsa dual soundcard problem

[James Ausmus]

On 11/27/06, Dave Jones <Dave.Jones@××××××.nl> wrote:
> Yesterday I upgraded udev to 103, but have hit some problems with alsa
> configuration of multiple sound cards.
>
> I have an 'on board' Intel 8x0 sound card which I use for VoIP
> telephony, and a PCI Creative Audigy which I use to play music.
>
> The Audigy is configured to alsa as sound card 0, while the Intel card
> is sound card 1.  This set up has worked perfectly for years.
>
> The udev 103 upgrade recommends removing coldplug. However, the alsa
> initialisation script (alsasound) depend on both coldplug and hotplug.
>
> If I remove coldplug from the boot runlevel alsasound fails, leaving
> only the Intel sound card initialised.
>

Hmm - I don't have this issue - what version of alsa-utils are you
running? I'm running 1.0.13. I don't even have a /etc/init.d/coldplug
init script on my system - maybe you need to do an emerge -C coldplug?
Maybe if the coldplug script doesn't exist then alsasound won't
complain about it... Just a theory. ;)

> Even worse is that udev seems to discover the sound cards in the reverse
> order to coldplug.  My Audigy card becomes /dev/dsp1 and the Intel card
> is /dev/dsp0.   Unfortunately,  Audacious, my music player of choice,
> doesn't seem to offer any choice of which dsp to use.
>
> To put it mildly, this is a major pain; I don't want to listen to music
> played through the VoIP headset connected to the Intel card.
>
> Is there any way I can persuade udev to generate the /dev entries for my
> sound cards in a particular order, so that Audacious can continue to
> work with /dev/dsp0?
>

Check http://www.reactivated.net/writing_udev_rules.html and the links
at the bottom of
http://gentoo-wiki.com/UDEV


HTH-

James


> Thanks in advance for any help or advice you may be able to give.
>
> Cheers, Dave
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