Cannot compile custom kernel. Error.

miros84 · 01-26-2010, 08:24 AM

I tried to compile custom kernel. Sources downloaded from kernel.org.
I used this thread.

When I put last command

Code:

    make-kpkg --rootcmd fakeroot --initrd --revision=custom.001 kernel_image kernel_headers

I was compiling for about 20 minutes and then stoped and I got this error:

Code:

make[1]: se sale del directorio `/root/kernel_compiling/linux-2.6.32.5'
/usr/bin/make -j2   ARCH=i386 \
			     -C Documentation/lguest
make[1]: se ingresa al directorio `/root/kernel_compiling/linux-2.6.32.5/Documentation/lguest'
cc -m32 -Wall -Wmissing-declarations -Wmissing-prototypes -O3 -I../../include -I../../arch/x86/include -U_FORTIFY_SOURCE    lguest.c   -o lguest
lguest.c:21:25: error: sys/eventfd.h: No existe el fichero o el directorio
lguest.c: In function ‘create_thread’:
lguest.c:1027: warning: implicit declaration of function ‘eventfd’
make[1]: *** [lguest] Error 1
make[1]: se sale del directorio `/root/kernel_compiling/linux-2.6.32.5/Documentation/lguest'
make: *** [debian/stamp/build/kernel] Error 2

*se ingresa al directorio = Inserting in the directory
*No existe el fichero o el directorio = Doesnot exist a file or directory
*se sale del directorio = Leaving the directory

I tried 2 times and I got the same error.

Any help?

knudfl · 01-27-2010, 05:04 AM

Quote:

error: sys/eventfd.h: No existe el fichero o el directorio

Google .. sys/eventfd.h .. ( or "sys/eventfd.h" )
http://www.google.com/webhp#hl=en&so...87d6a9aecc9114

sys/eventfd.h
http://manpages.courier-mta.org/htmlman2/eventfd.2.html

Solution ..
http://groups.google.com/group/linux...c9f4da01?pli=1
.....

.....
" sys/eventfd.h " is present in some 'glibc-devel', e.g.
glibc-devel-2.10.1-10.4.i686.rpm, Suse.
No sys/eventfd.h in any Debian package. AFAIK.

The kernel, example : ' linux-2.6.32.6/include/linux/eventfd.h '.
.....

miros84 · 01-27-2010, 11:55 AM

I see that:

Code:

Google this error message:

> lguest.c:21:25: error: sys/eventfd.h: No such file or directory

and the first link [1] has a solution:

"Below “Virtualization” unselect “Linux hypervisor example code” or if
you need lguest you can also fix the compilation error by removing
“#include <sys /eventfd.h>” (line 21) from lguest.c."

But where to unselect?
Below the Virtualization? Where is it?
I just dont understund.

knudfl · 01-27-2010, 12:35 PM

I guess, you can edit "Virtualization" in the file .config
( or just redo your configuring. )

Finding "Virtualization" in .config :

grep -in Virtualization .config
( the option n gets the line number ).

Example from my /boot/config :
grep -in Virtualization config :
4093:# CONFIG_VIRTUALIZATION is not set
.... the line mumber is 4093 .
...
So when you find your "Virtualization" line, probably change to :
# CONFIG_VIRTUALIZATION is not set
.....

miros84 · 01-27-2010, 12:42 PM

Quote:

I guess, you can edit "Virtualization" in the file .config

You mean config-2-6-26-2-686 that is in /boot ?

knudfl · 01-27-2010, 01:01 PM

The hidden file ' .config ' in linux-2.6.32.5 :

You get it from somewhere, or you created it.
The one to edit : is the one used,
when building the new kernel.

.....

miros84 · 01-27-2010, 01:04 PM

Oo, that is the file that you edit by

Code:

make menuconfig

?

So, I must change it just before compile, right?

knudfl · 01-29-2010, 06:47 AM

Either edit linux-2.6.32.5/.config

.. or run ' make menuconfig ' again.

I would do the editing, one minute, and it is done.

.....