Re: [2.6 patch] schedule obsolete OSS drivers for removal

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[email protected] wrote:

On Thu, 5 Jan 2006, Lee Revell wrote:

On Fri, 2006-01-06 at 01:19 +0200, Hannu Savolainen wrote:

On Thu, 5 Jan 2006, Lee Revell wrote:

On Thu, 2006-01-05 at 13:44 +0100, Marcin Dalecki wrote:

Second - you still didn't explain why this allows you to conclude
that sound mixing should in no way be done inside the kernel.


It works perfectly right now in userspace.  Therefore it should not be
in the kernel.

So all the complaints about dmix problems in the ALSA mailing lists are
just exceptions that prove the above statement to be true.


No, it just means ALSA like the kernel is a work in progress.  Anyway
almost all the known issues have been fixed.  It works perfectly for the
vast majority of users.


Ok. It seems i'm a minority.
I switched xmms to alsa
If i play a stream in xmms using alsa output and try to play in the same time a movie in mplayer the last message printed by mplayer is
alsa-init: 1 soundcard found, using: default
and then it hangs until i press stop button in xmms. When i press the stop button in xmms the movie begins to play. If i press now the play button in xmms it says: ** WARNING **: alsa_setup(): Failed to open pcm device (default): Device or resource busy

So it seems that dmix is not working by default in kernel 2.6.15
Alsa userspace tools are version 1.0.8.

config and dmesg attached

dmix happens in alsa-lib (libasound...)
So, which version of the kernel you have will not make any difference to dmix. Update your alsa-lib userspace to a more up to date version, and dmix will then work out of the box.


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