Loading the OSS modules on the XO

[Noah Kantrowitz]

Why don't you fix the application instead of working around stupid
deprecated nonsense? That seems like a better use of everyone's time.

--Noah

> -----Original Message-----
> From: devel-bounces at lists.laptop.org [mailto:devel-
> bounces at lists.laptop.org] On Behalf Of victor
> Sent: Wednesday, August 13, 2008 8:18 AM
> To: devel at lists.laptop.org
> Subject: Re: Loading the OSS modules on the XO
> 
> Just tested here
> 
> $ modprobe snd-pcm-oss
> $ cat /dev/dsp > /dev/dsp
> 
> and I get lovely mic-speaker parrot feedback.
> I guess it's just about adding this modprobe line to the init scripts
> 
> VL
> ----- Original Message -----
> From: "Jim Gettys" <jg at laptop.org>
> To: <pgf at laptop.org>; "Deepak Saxena" <dsaxena at mvista.com>
> Cc: <devel at lists.laptop.org>
> Sent: Wednesday, August 13, 2008 3:58 PM
> Subject: Re: Loading the OSS modules on the XO
> 
> 
> >I thought there was a library/shim/kernel option that allowed us to
> > emulate OSS on ALSA?
> >
> > In any case, anything not using ALSA at this date really should get
> > updated to ALSA....
> >                         - Jim
> >
> >
> >
> > On Wed, 2008-08-13 at 10:43 -0400, pgf at laptop.org wrote:
> >> shivaprasad wrote:
> >>  > Its OK if I need to have root permissions only once right? I can
> >> change the
> >>
> >> yes.
> >>
> >>  > /etc/modules/ once during installation of the activity and need
> not
> >> load the
> >>  > module every time I run the activity. I am new programming on
> Linux
> >> and
> >>  > wasnt sure what to change to make the XO load the oss module on
> >> startup. So
> >>  > my plan is if I  know how to make the XO load the  oss modules  I
> can
> >> do
> >>  > this in a script and run the script during installation of the
> >> activity so
> >>  > that when I launch the activity I would not need root
> permission.Could
> >> you
> >>  > please tell me how to change /etc/modules to load oss modules on
> >> startup?
> >>
> >> the file /etc/modules that erik mentioned isn't used on the XO, but
> >> there's a similar mechanism in place.
> >>
> >> create a new file /etc/sysconfig/modules, with a name that ends
> >> in ".modules", like "oss.modules".  that file should be an
> executable
> >> shell script which will load the modules you want.  see the existing
> >> "olpc-1.modules" file in that directory as an example, but probably
> >> all you need is a single "modprobe snd-pcm-oss" command.
> >>
> >> this should cause your module to be installed when the XO boots.
> >>
> >> paul
> >>
> >>  >
> >>  > Thanks
> >>  > Shivaprasad
> >>  >
> >>  > On Wed, Aug 13, 2008 at 6:54 PM, Erik Garrison <erik at laptop.org>
> >> wrote:
> >>  >
> >>  > > On Wed, Aug 13, 2008 at 06:16:58PM +0530, shivaprasad javali
> wrote:
> >>  > > > Hi,
> >>  > > >
> >>  > > >    I am porting a application to the XO. It uses the OSS
> sound
> >> Api's to
> >>  > > > render sound. I found that the oss modules are not loaded on
> the
> >> xo by
> >>  > > > default. I was able to load the oss modules by running
> modprobe
> >>  > > snd-pcm-oss
> >>  > > > which created the /dev/dsp and other device files required by
> the
> >> oss
> >>  > > > modules and was able to run my application on the XO. But the
> >> problem is
> >>  > > > every time I reboot the XO I will have to run the commands
> and
> >> load the
> >>  > > oss
> >>  > > > modules.
> >>  > > >
> >>  > > >    Is there any way I can tell the XO to always load the oss
> >> modules?
> >>  > > Even
> >>  > > > if I have a script to run the commands on launching the
> >> application these
> >>  > > > commands would require super user privileges which I wont
> have
> >> when I
> >>  > > launch
> >>  > > > the application from the activity bar. Any Ideas?
> >>  > >
> >>  > > Without root access, your activity will have difficulty
> modifying
> >>  > > /etc/modules to enable autoloading the snd-pcm-oss module at
> boot.
> >> I am
> >>  > > unsure if there is any way around this issue unless the
> deployment
> >> scope
> >>  > > for your activity is a set of machines on which you have root
> >> access.
> >>  > >
> >>  > > Erik
> >>  > >
> >>  > part 2     text/plain                 129
> >>  > _______________________________________________
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> >>
> >> =---------------------
> >>  paul fox, pgf at laptop.org
> >> _______________________________________________
> >> Devel mailing list
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> >> http://lists.laptop.org/listinfo/devel
> > --
> > Jim Gettys <jg at laptop.org>
> > One Laptop Per Child
> >
> > _______________________________________________
> > Devel mailing list
> > Devel at lists.laptop.org
> > http://lists.laptop.org/listinfo/devel
> 
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