[CentOS] How and when are the sound modules loaded at system boot time on CentOS 5?

Mon Feb 7 17:56:36 UTC 2011
Rob Kampen <rkampen at kampensonline.com>

James Pearson wrote:
> m.roth at 5-cent.us wrote:
>   
>> James Pearson wrote:
>>
>>     
>>> I've been trying to work out how the various sound modules get loaded at
>>> boot time on CentOS 5 - but I can't find anything obvious under /etc/rc.d/
>>>
>>> CentOS 4 did this in /etc/rc.d/rc.sysinit - but there is nothing
>>> equivalent in CentOS 5
>>>
>>> Does anyone know how these modules get loaded?
>>>       
>> Have you tried system-config-soundcard?
>>     
>
> I have, but that wasn't the question :-)
>
> Something has to load the sound kernel modules at system start up - and 
> I would like to find out what does this and at what stage of the system 
> start up process this happens.
>   
cannot answer all your question but found that sometime around 5.3 -> 
5.4 that the order of sound modules loading changed.
I found that one needed to edit modprobe.conf and add index=0 or index=1 
as needed to get the modules loading correctly and thus allowing related 
software to find them in the correct place.
HTH
> James Pearson
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>   
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