Kernel version in binary and source packages differs

[Tim Gardner]

Andrey Zhidenkov wrote:
> Hello.
> 
> I want to recompile a kernel module, but I have a problem. My current kernel
> version is 2.6.27.11.
> 
> When I download a kernel source package and build a module (ipw2200.ko)
> modprobe tells me that this module has an incorrect format.
> 
> Code:
> 
> [ibm-t43][mutex]~/build> sudo modprobe ipw2200
> FATAL: Error inserting ipw2200
> (/lib/modules/2.6.27-11-generic/kernel/drivers/net/wireless/ipw2200.ko):
> Invalid module format
> 
> In Makefile I found that EXTRAVERSION for this kernel is 10:
> 
> [ibm-t43][mutex]/usr/src/linux-source-2.6.27> cat Makefile | grep
> EXTRAVERSION
> EXTRAVERSION = .10
> 
> Is there a reason? I've also tried to get sources from Ubuntu git tree, but
> has the same result.
> 
> Differene between modules:
> 
> [ibm-t43][mutex]~/backup> diff ok notok
> 1c1
> < filename: ipw2200.ko.ok
> ---
>> filename: ipw2200.ko
> 29,30c29,30
> < depends: ieee80211
> < vermagic: 2.6.27-11-generic SMP mod_unload modversions 586
> ---
>> depends:
>> vermagic: 2.6.27.10 SMP mod_unload modversions 586
> 
> Thank you.
> 
> 

You must build your module against the kernel headers for the kernel
that will be running when you insmod the module.

rtg
-- 
Tim Gardner tim.gardner at canonical.com