Modules Problem on ML403

alayrac christophe.alayrac at cresitt.com
Mon Nov 13 18:47:26 EST 2006


Hi all,
 
I succeed to port linux2-4.26 on ML403 board with Montavista RFS on CF
or NFS.
 
Problems arise when I try to use modules.
I have included gpio modules in the kernel and build follow
 
make ARCH=ppc CROSS_COMPILE=powerpc-405-linux-gnu- dep uImage
make ARCH=ppc CROSS_COMPILE=powerpc-405-linux-gnu- modules the
modules_install
 
The last make command fail during depmod process because it did not
supports cross compiling
 
I've then think to use the Klingauf scripts
(make_modules_install.sh,depmod.pl) but I was afraid that the command 
make modules_install copy modules in the host lib/modules directory.
 
So I manually proceed as follow from the kernel root :
make ARCH=ppc CROSS_COMPILE=powerpc-405-linux-gnu- modules_install
INSTALL_MOD_PATH=/home/alayrac/
 
and then 
./depmod.pl -k ./vmlinux -F ./System.map -b /home/alayrac/lib/modules -n
> /home/alayrac/lib/modules/2.4.26/modules.dep
 
Modules seems to be created properly but after board and linux start up
I receive the following error message:
 
$>insmod xilinx_gpio
Using /lib/modules/2.4.26/kernel/drivers/char/xilinx_gpio/xilinx_gpio.o
/lib/modules/2.4.26/kernel/drivers/char/xilinx_gpio/xilinx_gpio.o:
couldn't find the kernel version the module was compiled for
 
$>modprobe xilinx_gpio
/lib/modules/2.4.26/kernel/drivers/char/xilinx_gpio/xilinx_gpio.o:
couldn't find the kernel version the module was compiled
for/lib/modules/2.4.26/kernel/drivers/char/xilinx_gpio/xilinx_gpio.o:
insmod
/lib/modules/2.4.26/kernel/drivers/char/xilinx_gpid/lib/modules/2.4.26/k
ernel/drivers/char/xilinx_gpio.o: couldn't find the kernel version the
module was compiled for
/lib/modules/2.4.26/kernel/drivers/char/xilinx_gpio.o:
insmod /lib/modules/2.4.26/kernel/drivers/char/xilinx_gpio.o failed
/lib/modules/2.4.26/kernel/drivers/char/xilinx_gpio.o: insmod
xilinx_gpio failed
 
Further more the date of files in /lib/modules/2.4.26 are modified to
old date during the boot process (I think its because there is no real
time clock on ML403). Thus the modules.conf is declared as more recent
than modules.dep.
 
Any help would be appreciated .
 
Kinds regards
 
Chris
 
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