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Old 03-04-2004, 03:18 PM   #1
maxware
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/lib/modules/.../kernel/drivers empty?


I am trying to customize , on Redhat 9
kernel 2.4.20-27.9 .

I several posts here that were very helpfull, but the LAST step i.e.
make install
Fails that it can't find aic7xxx

And after some checking , indeed it can't

I have two directories
/lib/modules/2.4.20-27.9
and
/lib/modules/2.4.20-27.9custom

in /lib/modules/2.4.20-27.9custom/kernel/drivers
there is only one dir (net)

but back in the orig /lib/modules/2.4.20-27.9/kernel/drivers
there are MANY directories.

One would think my compiles under
make dep, make modules , make modues_install
had failed, but they didn't
I tried copying the files over but that lead to unresolved symbol errors.

[I'm only recompiling to enable features that the OS says not present
i.e. apm ]
 
Old 03-04-2004, 03:54 PM   #2
Tinkster
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Hi!

That brings up the topic of how your
kernel source directories are laid out,
and what the Makefile looks like ....
in particular the lines with the kernel-
version and such ...



Cheers,
Tink
 
Old 03-05-2004, 03:42 AM   #3
/bin/bash
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First off, have you tried service apmd start?

Look for the original config file in /boot it should be /boot/config-2.4.20-27.9

cd /usr/src/linux
make mrproper
cp /boot/config-2.4.20-27.9 .config
make menuconfig #Enable apm
make dep

Now follow /usr/src/linux/README and finish compiling the kernel and modules.
 
Old 03-05-2004, 08:46 AM   #4
maxware
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When trying to start apmd:
No APM support in kernel


I actually created an entire new /usr/src tree
/usr/src:

drwxr-xr-x 16 root root 4096 Mar 4 13:49 linux-2.4.20-27.9
drwxr-xr-x 16 root root 4096 Mar 4 14:48 linux-2.4.20-27.9custom


Makefile:

VERSION = 2
PATCHLEVEL = 4
SUBLEVEL = 20
EXTRAVERSION = -27.9custom

KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)


If I just use make menuconfig, where is the config file it is using/writing?
 
Old 03-05-2004, 08:53 AM   #5
/bin/bash
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If you just run make menuconfig you get the default config file that comes with the kernel. That probably will need a lot of tweeking to get it to work right. You are better off finding the RedHat config file.

Different distros save their default config file in different places. In Mandrake for example it is in /usr/src/linux/arch/i386. I think RedHat keeps it in /usr/src/linux/config but I'm not positive about that.

Last edited by /bin/bash; 03-05-2004 at 08:56 AM.
 
Old 03-05-2004, 09:26 AM   #6
maxware
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But back to the original problem ,
why after the makes are there no files in
/lib/modules/2.4.20-27.9custom/kernel/drivers


Could the config file be preventing that?

Besides , after make menuconfig, it has modified :
.config
and that is what I assume make dep ... ... is using.
 
Old 03-05-2004, 01:11 PM   #7
maxware
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I finally got this to work.
I think that the final issue was twofold

one, I created the seperate /usr/src tree,
then I ran make mrproper before configuring

(I still don't have apm working but that must be my fault!)

Thanks to all who posted.
 
Old 03-05-2004, 07:58 PM   #8
/bin/bash
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Quote:
then I ran make mrproper before configuring
Yeah, mrproper erases the .config file. Thats why it's a good idea to keep a copy in /boot.
 
  


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