autoload of kernel modules: how?

[John Bray]

On Mon, 2005-07-18 at 23:02 +0200, Eric Tanguy wrote:
> Le lundi 18 juillet 2005 à 19:25 +0100, Paul Howarth a écrit :
> > On Mon, 2005-07-18 at 19:55 +0200, Eric Tanguy wrote:
> > > Le lundi 18 juillet 2005 à 12:16 +0100, Paul Howarth a écrit :
> > > > Timothy Murphy wrote:
> > > > > Paul Howarth wrote:
> > > > > 
> > > > > 
> > > > >>In FC4 you can create a script with a name ending in ".modules"
> > > > >>in /etc/sysconfig/modules and that will get run at around the same time
> > > > >>that rc.modules would be run. This is the "approved" may of doing this
> > > > >>now.
> > > > > 
> > > > > 
> > > > > Is this preferable to writing a modprobe command in rc.local ?
> > > > > Is rc.local frowned on now?
> > > > 
> > > > Depends when you want the module loaded. rc.local is executed right at 
> > > > the end of the boot process, but rc.modules or 
> > > > /etc/sysconfig/modules/*.modules is much earlier. If you need your 
> > > > module loading for some services to start, rc.local will be too late.
> > > > 
> > > > Paul.
> > > > 
> > > Ok what is the syntax of these *.modules files (ie if i want to load a
> > > module named spca5xx i have just to add it in this file) ?
> > 
> > It's a shell script, so you want something like:
> > 
> > modprobe spca5xx
> > 
> > > You say that /etc/sysconfig/modules/*.modules is much earlier but when ?
> > 
> > Look at /etc/rc.d/rc.sysinit - it's at around line 218.
> > 
> > It's just after the:
> > 
> > Initializing hardware... storage network audio done.
> > 
> > Paul.
> > -- 
> > Paul Howarth <paul at city-fan.org>
> > 
> So i tried it but i have always the same problem : the system hangs at
> boot if the usb webcam is plugged in and if i unplugge it the system
> goes up. But i can't figure where the problem come from. If I plug the
> usb webcam after login all is fine, the driver is loaded and the webcam
> is useable. Maybe it can be that this driver try to make a
> device /dev/video1 (/dev/video0 is for my tvcard) but it is not
> compliant to udev. Maybe i have to had something /etc/modrpobe.conf
> (like alias char-major-81 bttv for tv card). Maybe something else but i
> don't know ...

eric -

i think that's exactly what you need to do.  mine works fine on boot,
and i find this in modprobe.conf:

alias char-major-81 bttv


john