Hi all.
This are the dates,
- Kernel installed: 2.6.16-rc3
- Module Hello.c:
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
MODULE_LICENSE("GPL");
static int hello_init(void)
{
printk(KERN_ALERT "Hello, world\n");
return 0;
}
static void hello_exit(void)
{
printk(KERN_ALERT "Goodbye, cruel world\n");
}
module_init(hello_init);
module_exit(hello_exit);
- Makefile:
obj-m := Hello.o
- make -C /usr/src/linux-2.6.16-rc3 SUBDIRS=$PWD modules
make: Entering directory `/usr/src/linux-2.6.16-rc3'
Building modules, stage 2.
MODPOST
make: Leaving directory `/usr/src/linux-2.6.16-rc3'
- 'insmod Hello.ko' and 'rmmod Hello' output okey, without messages
But dmesg show this:
Hello: disagrees about version of symbol struct_module
Hello: disagrees about version of symbol struct_module
Hello, world
Goodbye, cruel world
What's the meaning of "disagrees about version of symbol struct_module"
lines?
This is the output of 'nm Hello.ko' if it helps:
0000000e T cleanup_module
0000000e t hello_exit
00000000 t hello_init
00000000 T init_module
00000000 r __mod_license9
00000020 r __mod_srcversion29
00000043 r __module_depends
0000004c r __mod_vermagic5
U printk
00000000 D __this_module
00000000 r ____versions
Thanks you very much, in advance.
Regards.
Jose.
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