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> ksign: module signed with unknown public key, i am trying insmod tipc.ko.
orbitu02
 Posted: Apr 2 2012, 03:23 PM
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step i flowed:-

su -c 'yum install rpmdevtools yum-utils'

su -c 'yum install qt3-devel libXi-devel'

<in my home directory >
rpmdev-setuptree

yumdownloader --source kernel

su -c 'yum-builddep kernel-<version>.src.rpm'


rpm -Uvh kernel-<version>.src.rpm

cd ~/rpmbuild/SPECS

rpmbuild -bp --target=$(uname -m) kernel.spec

then

make oldconfig
make menuconfig
make


then
insmod net/tipc/tipc.ko

dmesg:-
ksign: module signed with unknown public key
- signature keyid: 4c0befd583010b6f ver=4
Module signed with unknown public key
tipc: no symbol version for module_layout



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toracat
 Posted: Apr 2 2012, 04:01 PM
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CentOS wiki article on Building kernel modules will help you. In your case, you are enabling tipc in config, I presume. Once this is done, there is a good chance that you do not have to build the whole kernel but can build just the kernel module.

I would try method #1 first. If this goes well, try #3 to build a kABI-compatible kmod so you do not have to build it for every kernel update.


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