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* OSS-EMULATION bug?
@ 2006-04-18 15:09 Riccardo Tempesta
  2006-04-18 18:18 ` Lee Revell
  0 siblings, 1 reply; 3+ messages in thread
From: Riccardo Tempesta @ 2006-04-18 15:09 UTC (permalink / raw)
  To: alsa-devel

I tried to compile alsa-driver-1.0.11rc4 with dynamic minors to allow 
more than 8 soundcards.
I connected 12 audio devices and it worked perfectly as alsa, but I can 
find only 8 dsp under "/dev".

Is it a bug?


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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: OSS-EMULATION bug?
  2006-04-18 15:09 OSS-EMULATION bug? Riccardo Tempesta
@ 2006-04-18 18:18 ` Lee Revell
  2006-04-18 18:37   ` Takashi Iwai
  0 siblings, 1 reply; 3+ messages in thread
From: Lee Revell @ 2006-04-18 18:18 UTC (permalink / raw)
  To: Riccardo Tempesta; +Cc: alsa-devel

On Tue, 2006-04-18 at 17:09 +0200, Riccardo Tempesta wrote:
> I tried to compile alsa-driver-1.0.11rc4 with dynamic minors to allow 
> more than 8 soundcards.
> I connected 12 audio devices and it worked perfectly as alsa, but I can 
> find only 8 dsp under "/dev".
> 
> Is it a bug?

Could be udev/hotplug issue.  If you create the last 4 by hand with
mknod do they work?

Lee



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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: OSS-EMULATION bug?
  2006-04-18 18:18 ` Lee Revell
@ 2006-04-18 18:37   ` Takashi Iwai
  0 siblings, 0 replies; 3+ messages in thread
From: Takashi Iwai @ 2006-04-18 18:37 UTC (permalink / raw)
  To: Lee Revell; +Cc: Riccardo Tempesta, alsa-devel

At Tue, 18 Apr 2006 14:18:39 -0400,
Lee Revell wrote:
> 
> On Tue, 2006-04-18 at 17:09 +0200, Riccardo Tempesta wrote:
> > I tried to compile alsa-driver-1.0.11rc4 with dynamic minors to allow 
> > more than 8 soundcards.
> > I connected 12 audio devices and it worked perfectly as alsa, but I can 
> > find only 8 dsp under "/dev".
> > 
> > Is it a bug?
> 
> Could be udev/hotplug issue.  If you create the last 4 by hand with
> mknod do they work?

It's a limitation of OSS.  (128 minors and 16 for each.)

You'd need to rewrite sound_core.c to overcome this limitation.


Takashi


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end of thread, other threads:[~2006-04-18 18:37 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2006-04-18 15:09 OSS-EMULATION bug? Riccardo Tempesta
2006-04-18 18:18 ` Lee Revell
2006-04-18 18:37   ` Takashi Iwai

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