I have open suse kernel kernel 3.1.0-1.2-desktop on which I used kernel source 3.1.10-1.2 downloaded from kernel.org.
The module gets built.
While loading a kernel module I am getting Invalid module format error with description "first_driver: no symbol version for module_layout"
The following are the logs:
Code:
linux-k2kj:/home/rkpsuse/FirstDriver # insmod first_driver.ko
insmod: error inserting 'first_driver.ko': -1 Invalid module format
linux-k2kj:/home/rkpsuse/FirstDriver # modinfo first_driver.ko
filename: first_driver.ko
description: My First Driver
author: Emertxe Info. Tech
license: GPL
srcversion: C4CCFC5DA59927FA4A479E6
depends:
vermagic: 3.1.10-1.2-desktop SMP preempt mod_unload modversions 686
linux-k2kj:/home/rkpsuse/FirstDriver # uname -r
3.1.0-1.2-desktopdmesg
first_driver: no symbol version for module_layout
I guess this is because of mismatching kernel versions.
Cannot I use kernel source 3.1.10-1.2-desktop on kernel 3.1.0-1.2-desktop?
Where can I get the kernel source for 3.1.0-1.2-desktop
You should be using suse's kernel source, not kernel.org's kernel source. They probably have their own patches and changes which make building your own drivers from a custom kernel and having them work with your existing one difficult.
I'd be shocked if SUSE didn't have a way to download packages itself, instead of forcing you to install random RPM's trawled manually from the internet in the hope they're the "right" ones.
I have linux installed in vmware which is not connected to net and so I have to manually download the source.
---------- Post updated 02-03-12 at 01:03 PM ---------- Previous update was 02-02-12 at 08:56 PM ----------
Now I have open suse kernel kernel 3.1.0-1.2-desktop and its kernel source.
Again the module gets built.
While loading a kernel module I am getting Invalid module format error with description "first_driver: no symbol version for module_layout"
The following are the logs:
Code:
linux-k2kj:/home/rkpsuse/Emertxe/CourseTemplates/FirstDriver # insmod first_driver.ko
insmod: error inserting 'first_driver.ko': -1 Invalid module format
linux-k2kj:/home/rkpsuse/Emertxe/CourseTemplates/FirstDriver # modinfo first_driver.ko
filename: first_driver.ko
description: My First Driver
author: Emertxe Info. Tech
license: GPL
srcversion: C4CCFC5DA59927FA4A479E6
depends:
vermagic: 3.1.0-1.2-desktop SMP preempt mod_unload modversions 686
linux-k2kj:/home/rkpsuse/Emertxe/CourseTemplates/FirstDriver # dmesg | tail
[ 8797.391736] first_driver: no symbol version for module_layout
linux-k2kj:/home/rkpsuse/Emertxe/CourseTemplates/FirstDriver # uname -r
3.1.0-1.2-desktop
FYI I have compiled the kernel as follows:
Make mrprpoper
make menuconfig
Make
Make modules
Make modules_install
Make install
Am I missing something?
How to resolve this issue?
Did you build your new kernel starting with the same options your original kernel was built with? They may be available in /proc/config.gz. They may also be stored under /boot somewhere, as config-kernelname. Kernel settings can drastically alter the way the kernel works so, if you don't build the kernel with the right options, the module won't match the kernel, and the kernel will rightly refuse to load it.
Code:
modprobe config # might not be necessary
gunzip < /proc/config.gz > .config
make menuconfig
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02-02-2012
