On 10/1/20 1:39 AM, Thorsten Leemhuis wrote:
> Tell users to disable solutions like DKMS to make sure the mainline
> kernel they have to install later remains vanilla. The old text did not
> do that, but back when it was written these solutions were not that
> widespread.
>
> Signed-off-by: Thorsten Leemhuis <linux@xxxxxxxxxxxxx>
> ---
> Documentation/admin-guide/reporting-bugs.rst | 21 ++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/Documentation/admin-guide/reporting-bugs.rst b/Documentation/admin-guide/reporting-bugs.rst
> index 05de4e0259cb..d96b21512c03 100644
> --- a/Documentation/admin-guide/reporting-bugs.rst
> +++ b/Documentation/admin-guide/reporting-bugs.rst
> @@ -562,6 +562,27 @@ or reinstall the operating system as well as everything you need to restore the
> backup.
>
>
> +Make sure your kernel doesn't get enhanced
> +------------------------------------------
> +
> + *Ensure your system does not enhance its kernels by building additional
> + kernel modules on-the-fly locally, which solutions like DKMS might be doing
> + without your knowledge.*
> +
> +Your kernel will stop being 'vanilla' as soon as it loads a kernel module not
> +build from the sources used to compile the kernel image itself. That why you
built That is why you
> +need to ensure your Linux kernel stays vanilla by removing or disabling
> +mechanisms like akmods and DKMS: those might build additional kernel modules
> +automatically, for example when your boot into a newly installed Linux kernel
> +the first time. Reboot after removing them and any modules they installed.
> +
> +Note, you might not be aware that your system is using one of these solutions:
> +they often get set up silently when you install Nvidias proprietary graphics
Nvidia's
> +driver, VirtualBox, or other Software that requires a some support from a module
> +not part of the Linux kernel. Your package manager might thus force you to
> +remove those, too.
> +
> +
> .. ############################################################################
> .. Temporary marker added while this document is rewritten. Sections above
> .. are new and dual-licensed under GPLv2+ and CC-BY 4.0, those below are old.
>
--
~Randy
