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    SubjectRe: [RFC PATCH v1 12/26] docs: reporting-bugs: tell users to disable DKMS et al.
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    Date
    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@leemhuis.info>
    > ---
    > 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

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