Re: [gentoo-user] Can't get ALSA OSS Emulation to work

[Nick Rout]

On Tue, 16 Aug 2005 15:55:58 -0700
Mark Knecht wrote:

> Nick,
>    Interesting. I have something like 8 Gentoo machines I run Alsa on.
> All of them use OSS emulation at least partially. I do not remember
> any messages or guidance to do what you're say, but indeed, it makes
> sense, sort of... Unfortunately, it seems that emerge didn't tell me
> to do this or, if it did, then the messages were lost in an endless
> stream of compile text while doing an emerge world.
>
>    I suppose I really don't like this way of doing it since it now
> makes Alsa set up for Gentoo different from what is specified on the
> Alsa pages. It also seems that the /etc/conf.d/alsasound page may not
> give me as much control in my systems where I'm using multiple sound
> cards. I'll have to review that more carefully.
>
>    Humm... Are there any new online instructions that specify all these changes?

I didn't find any, i figured it out for myself.

I posted to this list, then found the solution then posted a SOLVED
message almost staright away, a week or 2 back.

>
> Thanks,
> Mark
>
> On 8/16/05, Nick Rout <nick@×××××××.nz> wrote:
> > The setup on gentoo changed sometime around alsa-lib 1.09.
> >
> > Leave ALL of the oss stuff out of the module config files (running
> > alsaconfig will set it up correctly)
> >
> > Then set ENABLE_OSS_EMUL="yes" in /etc/conf.d/alsasound
> >
> > my /etc/modules.d/alsa now reads:
> >
> > nick@sf /etc/conf.d $ cat /etc/modules.d/alsa
> > # --- BEGIN: Generated by ALSACONF, do not edit. ---
> > # --- ALSACONF version 1.0.9a ---
> > options snd  device_mode=0666
> > alias snd-card-0 snd-via82xx
> > alias sound-slot-0 snd-via82xx
> > # --- END: Generated by ALSACONF, do not edit. ---
> >
> > /etc/conf.d/alsasound now reads:
> >
> > # ENABLE_OSS_EMUL:
> > # Do you want to enable in-kernel oss emulation?
> > # no - Do not load oss emul drivers
> > # yes - Load oss emul drivers if they're found
> >
> > ENABLE_OSS_EMUL="yes"
> >
> > # RESTORE_ON_START:
> > # Do you want to restore your mixer settings?  If not, your cards will be
> > # muted.
> > # no - Do not restore state
> > # yes - Restore state
> >
> > RESTORE_ON_START="yes"
> >
> > # SAVE_ON_STOP:
> > # Do you want to save changes made to your mixer volumes when alsasound
> > # stops?
> > # no - Do not save state
> > # yes - Save state
> >
> > SAVE_ON_STOP="yes"
> >
> >
> >
> > On Tue, 16 Aug 2005 11:31:30 -0300
> > Raphael Melo de Oliveira Bastos Sales wrote:
> >
> > > Hi everyone,
> > >
> > >    After some days googling for it, I give up  now and come here for
> > > help. I have Alsa installed in kernel, and it works fine for programs
> > > that are compatible with. But programs that need OSS don't get any
> > > sound. I have the following lines in the alsa config files:
> > >
> > >     /etc/modules.d/alsa:
> > > alias /dev/mixer snd-mixer-oss
> > > alias /dev/dsp snd-pcm-oss
> > > alias /dev/midi snd-seq-oss
> > >
> > > alias snd-card-0 snd-via82xx
> > > alias sound-slot-0 snd-via82xx
> > >
> > >      When I run the alsasound init script it says:
> > >  * Loading ALSA modules ...
> > >  * Loading: snd-card-0 ...                                              [ ok ]
> > >  * Loading: snd-seq-oss ...                                            [ ok ]
> > >  * Loading: snd-pcm-oss ...                                           [ ok ]
> > >  * Restoring Mixer Levels ...                                          [ ok ]
> > >
> > > # cat /proc/modules | grep oss
> > > snd_pcm_oss 52576 0 - Live 0xe258b000
> > > snd_mixer_oss 19648 1 snd_pcm_oss, Live 0xe1111000
> > > snd_seq_oss 37568 0 - Live 0xe2512000
> > > snd_seq_midi_event 7168 1 snd_seq_oss, Live 0xe0da9000
> > > snd_seq 55056 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event, Live 0xe086d000
> > > snd_pcm 93448 3 snd_pcm_oss,snd_via82xx,snd_ac97_codec, Live 0xe0db0000
> > > snd_seq_device 8972 4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi,
> > > Live 0xe084a000
> > > snd 57412 13 snd_pcm_oss,snd_mixer_oss,snd_seq_dummy,snd_seq_oss,snd_seq,snd_via82xx,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device,
> > > Live 0xe0d79000
> > >
> > > So it seems that the modules are loaded correctly. But every program
> > > that tries to pipe to /dev/dsp gets broken pipe (i.e. Quake and Enemy
> > > Territory).
> > >
> > > If anybody can tell me what could be wrong, please let me know. If
> > > there is a config file that is important and that I didn't send it
> > > here, tell me and I'll send them.
> > >
> > > Thanks for the attention,
> > >
> > > Raphael
> > >
> > > --
> > > gentoo-user@g.o mailing list
> >
> > --
> > Nick Rout <nick@×××××××.nz>
> >
> > --
> > gentoo-user@g.o mailing list
> >
> >
>
> --
> gentoo-user@g.o mailing list

-- 
Nick Rout <nick@×××××××.nz>

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