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Old 11-25-2003, 02:30 PM   #1
guitarnix
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acpi menuconfig questions...


i just downloaded ran the acpi patch from http://acpi.sourceforge.net . after bunziping the patch, i ran make menuconfig as per the instructions. since i am a newb and i have never seen the linux configuration options (menuconfig) i have some questions.

i see the option to use built-in[*] or Module [M], which should i use and what is the difference. i suspect that built-in will make it part of the core kernel and module will create a module. is that correct? what are the pros and cons of this selection.

if choosing module, will i need to take an extra step upon boot up to load the module. if so, can that be automated in a start file config? if that is the case, which config file will i need to edit.

sorry for all the questions, but i am learning and, actually, enjoying the journey.

btw, i am running slackware 9.1 on a toshiba laptop.
 
Old 11-27-2003, 04:14 AM   #2
Faecal
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>i suspect that built-in will make it part of the core kernel and module will create a module.
Bang on. If it's something that you're only going to use sometimes, then you'll want it to be a module. Otherwise, you'll probably want it built in. However, debugging the functionality of a driver is a lot easier with modules. Modules don't incur any significance performance penalty, so it's harmless to use them in any doubtful situation.


>if choosing module, will i need to take an extra step upon boot up to load the module. if so, can that be automated in a start file config? if that is the case, which config file will i need to edit.
Well, sometimes. Depends on how well your distribution handles such things (I'm not familiar with slack). In general, you can configure module loading in /etc/modules.conf (see man modules.conf). This allows you to specify modules to be loaded on boot, as well as a list of rules about which modules should be loaded after others.
 
Old 11-27-2003, 09:39 AM   #3
guitarnix
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thank you much!

i did my acpi patch and the compile went smoothly. however, i got a couple of issues. now i am getting /dev/dsp device not found errors upon bootup and, also, how can i check if acpi is, in fact, working.
 
Old 11-27-2003, 03:56 PM   #4
Faecal
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If ACPI is working correctly, system information should be in /proc/acpi.

As for your /dev/dsp issue, I suggest you start a new thread in Linux - Hardware with the appropriate information to help others help you with your problem: ie sound card type, kernel configuration, etc.
 
Old 11-27-2003, 06:22 PM   #5
guitarnix
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there is an acpi directory under proc with some files in it. is this what you mean?

thanks for your suggestino about starting a new thread in the hardware forum.
 
Old 11-28-2003, 10:08 AM   #6
Faecal
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>there is an acpi directory under proc with some files in it. is this what you mean?
Yes. He who does not have ACPI support running does not have a /proc/acpi directory. However, be sure to cat the various files to see how well your acpi information is coming through - the level of functionality depends on what kind of a motherboard you're using. If you compiled acpi modules, you may find that you need to load them with modprobe to experience the functionality of the various subsystems.
 
  


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