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"disagrees about version of symbol struct_module" despite same vermagic

Hi all,
trying to compile vmware tools modules for a kernel which I don't have sources for in a vendor-modified hardened distro I sneaked into which originally shipped with a different kernel version (uninteresting details below).

(mii.ko given for comparison)

Code:

[root@csacs linux]# modprobe vmmemctl

FATAL: Error inserting vmmemctl (/lib/modules/2.6.18.8-ADEVM/misc/vmmemctl.ko): Invalid module format

[root@csacs linux]# dmesg | tail -1

vmmemctl: disagrees about version of symbol struct_module

[root@csacs linux]# modinfo /lib/modules/2.6.18.8-ADEVM/misc/vmmemctl.ko | grep ver

description:    VMware Memory Control Driver

version:        1.2.1.0

vermagic:      2.6.18.8-ADEVM SMP mod_unload 686 REGPARM gcc-3.4

srcversion:    3E235EF512CAFDC7A3431A0

[root@csacs linux]# modinfo /lib/modules/2.6.18.8-ADEVM/kernel/drivers/net/mii.ko | grep ver

filename:      /lib/modules/2.6.18.8-ADEVM/kernel/drivers/net/mii.ko

vermagic:      2.6.18.8-ADEVM SMP mod_unload 686 REGPARM gcc-3.4

Any ideas?

The error is here:

Quote:

vmmemctl: disagrees about version of symbol struct_module

It seems that your vendor has changed the structure. If at all possible, try to get the sources. Without it it will be quite hard (but not impossible) to tell what was changed.

I had to drop any hope to get the modules running. It's a pity but there's nothing I can do :(