On Sat, 2004-07-17 at 03:23, Raja.Hayek@xxxxxxxxxxxxxx wrote:
> I am seeking help to resolve a problem building an RTAI kernel on my
> linux computer. I have included a copy of the error messages at the
> bottom of the email.
>
> Mainly, I have installed Mandrake 8.1 linux on the computer. Next, I
> wanted to rebuild the kernel.
>
> So I downloaded the file linux-2.4.17.tar.bz2. I followed these steps
> to install and rebuild (my setup had originally taken place in a
> directory called /home/tools):
>
>
> 1. decompressed the tar file
> tar --bzip2 -xvf linux-2.4.17.tar.bz2
>
> 2. renamed the original linux directory to linux-2.4.17
> mv linux linux-2.4.17
>
> 3. copied the patch file patch-2.4.17-rthal5g to my new linux
> directory, and applied the patch
> patch -p0 -i
> /home/tools/linux-2.4.17/patch-2.4.17-rthal5g
>
> 4. to configure the kernel, I copied and "made" the config
> file. I went through the configuration, selecting/de-selecting the
> options as applicable
> cp /boot/config .
> make config
>
> 5. continued the make process, as follows
> make dep
> make clean
> make bzImage
> make modules
> make modules_install
>
>
> The signs of trouble start at the end of the "make modules_install".
> Here are some the last few lines from the output of that command:
>
> make[1]: Entering directory
> `/home/tools/linux-2.4.17/arch/i386/kernel'
> make[1]: Nothing to be done for `modules_install'.
> make[1]: Leaving directory `/home/tools/linux-2.4.17/arch/i386/kernel'
> make -C arch/i386/mm modules_install
> make[1]: Entering directory `/home/tools/linux-2.4.17/arch/i386/mm'
> make[1]: Nothing to be done for `modules_install'.
> make[1]: Leaving directory `/home/tools/linux-2.4.17/arch/i386/mm'
> make -C arch/i386/lib modules_install
> make[1]: Entering directory `/home/tools/linux-2.4.17/arch/i386/lib'
> make[1]: Nothing to be done for `modules_install'.
> make[1]: Leaving directory `/home/tools/linux-2.4.17/arch/i386/lib'
> cd /lib/modules/2.4.17-rthal5; \
> mkdir -p pcmcia; \
> find kernel -path '*/pcmcia/*' -name '*.o' | xargs -i -r ln -sf ../{}
> pcmcia
> if [ -r System.map ]; then /sbin/depmod -ae -F System.map
> 2.4.17-rthal5; fi
> depmod: *** Unresolved symbols in
> /lib/modules/2.4.17-rthal5/rtai/leds_lxrt.o
> depmod: set_rt_fun_ext_index
> depmod: reset_rt_fun_ext_index
Check if these two symbols are there in {kernel src path}/System.map
(set_rt_fun_ext_index, reset_rt_fun_ext_index)
If not, your configuration file ({kernel src path}/.config) is not
proper. Check if all configuration options (make menuconfig) ,
which are necessary for the RTAI are set.
Regards,
Shine Mohamed Jabbar
> depmod: *** Unresolved symbols in
> /lib/modules/2.4.17-rthal5/rtai/rtai_aio.o
> depmod: lxk_task_init
> depmod: lxk_task_delete
> depmod: lxk_resume
> make: *** [_modinst_post] Error 1
> [root@torpdc linux-2.4.17]#
>
> Are those "Nothing to be done for..." messages normal? But my bigger
> concern is the error in the rtai. Any clues?
>
> Thanks in advance.
>
> ___________________________________________________
>
> Raja Hayek
>
> Software Analyst
> Alcatel Transport Automation - JNUP
>
> Raja.Hayek@xxxxxxxxxxxxxx
> 416 742 3900 ext. 5861
> 1235 Ormont Drive; Weston, Ontario; M9L 2W6
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