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If I do:

sudo insmod module.ko

I get:

insmod: error inserting 'module.ko': -1 Operation not permitted

modinfo gives me:

filename: module.ko license: XXX Proprietary version: 210 author: XXX description: XXX Driver srcversion: XXX depends: vermagic: 2.6.32-33-generic-pae SMP mod_unload modversions 586TSC

and uname -a gives:

2.6.32-35-generic-pae #78-Ubuntu SMP Tue Oct 11 17:01:12 UTC 2011 i686 GNU/Linux

so I suspect that I need to install this specific kernel version: 

2.6.32-33-generic-pae

My question is how to manage to insert this module and if kernel version is the problem - how to install it on Ubuntu 10.04?

Just to mention, I had 2.6.32.33-generic kernel when I installed Ubuntu, but insmod failed. Then I did:

sudo aptitude install linux-generic-pae linux-headers-generic-pae

and I selected new kernel on boot, but insmod failed again. What I noticed is that it was (I think 2.6.32.36-generic-pae and not 2.6.32.33-generic-pae, but I don't know how to install this specific version)

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  • 2
    Not to ask the obvious question, but I assume you did: "sudo insmod module.ko"? Commented Nov 8, 2011 at 16:03
  • Copy your module to the module dir, do a depmod -a, then do modprobe module. Commented Nov 8, 2011 at 16:12
  • 1
    @Rilindo: Yes, I used sudo ;) Commented Nov 8, 2011 at 16:21
  • Thanks! You may want to update your post from "insmod module.ko" to "sudo insmod module.ko" to clarify things. Commented Nov 8, 2011 at 16:29

2 Answers 2

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From The Linux Kernel Module Programming Guide, section 1.2.1.1:

A module compiled for one kernel won't load if you boot a different kernel unless you enable CONFIG_MODVERSIONS in the kernel.

So, building a kernel with CONFIG_MODVERSIONS enabled, probably will resolve your problem. Another solution would be to build and install Linux 2.6.32-33 with PAE support.

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I found the solution - I just needed to install "linux-image-2.6.32-33-generic-pae" from synaptic package manager and reboot.

Now inserting module is passing, thanks.

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