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SubjectRe: Insmod failed
| Hi,

On Tue, 7 Jan 2003, Michal Sojka wrote:

| I'am porting driver for my USB 2.0 device to 2.5 and when I try insmod
| my module I get the following:
|
| Error inserting '/lib/modules/2.5.54/misc/usb-emise.o': -1 Invalid
| module format

From lkml archives:
Add a -DKBUILD_MODNAME="yourname" compile option to one of the files,
the new loader requires a module name section. It should be only set
once for each module.

In addition make sure you're using the new style module_init/module_exit
macros instead of init_module/cleanup_module.

| I compile my module separate of kernel tree with Makefile similar to
| that in Linux Device Drivers book (Rubini, Corbet). What is the right
| way to compile standalone modules?

From lkml archives:
Try to folllow this reciept [recipe] posted by Kai G.
-------------
Well, you can do

cd my_module
echo "obj-m := my_module.o" > Makefile
vi my_module.c
make -C <path/to/kernel/src> SUBDIRS=$PWD modules

That's not too bad (and basically works for 2.4 as well)
---------------

| module-init-tools version 0.9.7, kenrel 2.5.52,54
|
| objdump -h /lib/modules/2.5.54/misc/usb-emise.o
|
| /lib/modules/2.5.54/misc/usb-emise.o: file format elf32-i386
|
| Sections:
| Idx Name Size VMA LMA File off Algn
| 0 .text 00001b94 00000000 00000000 00000034 2**2
| CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
| 1 .data 000001c0 00000000 00000000 00001be0 2**5
| CONTENTS, ALLOC, LOAD, RELOC, DATA
| 2 .bss 00000000 00000000 00000000 00001da0 2**2
| ALLOC
| 3 .note 00000014 00000000 00000000 00001da0 2**0
| CONTENTS, READONLY
| 4 .stab 00007bd8 00000000 00000000 00001db4 2**2
| CONTENTS, RELOC, READONLY, DEBUGGING
| 5 .stabstr 0001893f 00000000 00000000 0000998c 2**0
| CONTENTS, READONLY, DEBUGGING
| 6 .rodata.str1.32 00000aa0 00000000 00000000 000222e0 2**5
| CONTENTS, ALLOC, LOAD, READONLY, DATA
| 7 .rodata.str1.1 00000129 00000000 00000000 00022d80 2**0
| CONTENTS, ALLOC, LOAD, READONLY, DATA
| 8 __obsparm 00000080 00000000 00000000 00022ec0 2**5
| CONTENTS, ALLOC, LOAD, DATA
| 9 .rodata 00000004 00000000 00000000 00022f40 2**2
| CONTENTS, ALLOC, LOAD, READONLY, DATA
| 10 .init.text 000000c8 00000000 00000000 00022f44 2**2
| CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
| 11 .exit.text 00000098 00000000 00000000 0002300c 2**2
| CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
| 12 .comment 00000037 00000000 00000000 000230a4 2**0
| CONTENTS, READONLY

See a pattern here? :)
--
~Randy

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