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In VirtualBox CentOs8-Stream from scratch i can't install Additionnal Guest.

This is what i do

  1. Create new VM CentOS8 Stream
  2. in root yum groupinstall "Development Tools"
  3. in root yum install elfutils-libelf-devel
  4. I insert the guest additionnal (Devices > insert guest additionnal cd > Launch)

And i get this error:

Building the modules for kernel 4.18.0-326.el8.x86_64 Look at /var/log/vboxadd-setup.log to find out what went wrong modprobe vboxguest failed

In this log i see:

Error building the module.
ERROR: Kernel configuration is invalid
include/generated/autoconf.h or include/config/auto.conf are missing
Run 'make oldconfig && make prepare' on kernel src to fix it.

I dont understand why? because i just created the virtual machine and updated the kernel so i dont understand why it would be corrupted

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  • Have you tried installing the kernel development package which is normally required to compile kernel modules? dnf install kernel-devel as it is not included in the "Development Tools" group. Also, you should not need to install elfutils-libelf-devel separately as it is included in the "Development Tools" group.
    – GracefulRestart
    Aug 17, 2021 at 20:36
  • When i try to dnf install kernel-devel it say that is it alreay installed, and nothing to do
    – jeyzorus
    Aug 19, 2021 at 7:42

1 Answer 1

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Finally I found in this link https://www.virtualbox.org/ticket/20488#comment:4 there is a bug in version VBoxguestAddition1.26.

So I downloaded and installed VBoxGuestAdditions_6.1.27-146191.iso and it works fine on my kernel-4.18.0-326.el8.x86_64 in VirtualBox 6.1.26 after a reboot.

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