From: Randy Dunlap <rdunlap@infradead.org>
To: Thorsten Leemhuis <linux@leemhuis.info>,
Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v1 12/26] docs: reporting-bugs: tell users to disable DKMS et al.
Date: Fri, 2 Oct 2020 10:28:51 -0700 [thread overview]
Message-ID: <c34bb102-613b-5713-4e96-aa99a3e3c6d2@infradead.org> (raw)
In-Reply-To: <51574b968a9b78a5ce1056acdfa871d4a03d60c7.1601541165.git.linux@leemhuis.info>
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
next prev parent reply other threads:[~2020-10-02 17:28 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 8:39 [RFC PATCH v1 00/26] Make reporting-bugs easier to grasp and yet more detailed Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 01/26] docs: reporting-bugs: temporary markers for licensing and diff reasons Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 02/26] docs: reporting-bugs: Create a TLDR how to report issues Thorsten Leemhuis
2020-10-02 2:32 ` Randy Dunlap
2020-10-03 7:27 ` Thorsten Leemhuis
2020-11-11 15:24 ` Thorsten Leemhuis
2020-11-12 3:33 ` Randy Dunlap
2020-11-12 4:56 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 03/26] docs: reporting-bugs: step-by-step guide on " Thorsten Leemhuis
2020-10-02 3:02 ` Randy Dunlap
2020-10-03 8:05 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 04/26] docs: reporting-bugs: step-by-step guide for issues in stable & longterm Thorsten Leemhuis
2020-10-02 3:25 ` Randy Dunlap
2020-10-03 8:24 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 05/26] docs: reporting-bugs: begin reference section providing details Thorsten Leemhuis
2020-10-02 16:49 ` Randy Dunlap
2020-10-03 8:27 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 06/26] docs: reporting-bugs: point out we only care about fresh vanilla kernels Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 07/26] docs: reporting-bugs: let users classify their issue Thorsten Leemhuis
2020-10-02 16:59 ` Randy Dunlap
2020-10-03 9:42 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 08/26] docs: reporting-bugs: make readers check the taint flag Thorsten Leemhuis
2020-10-02 17:08 ` Randy Dunlap
2020-10-03 9:56 ` Thorsten Leemhuis
2020-10-03 17:47 ` Randy Dunlap
2020-10-01 8:39 ` [RFC PATCH v1 09/26] docs: reporting-bugs: help users find the proper place for their report Thorsten Leemhuis
2020-10-04 4:03 ` Randy Dunlap
2020-10-07 12:05 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 10/26] docs: reporting-bugs: remind people to look for existing reports Thorsten Leemhuis
2020-10-02 17:17 ` Randy Dunlap
2020-10-03 9:58 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 11/26] docs: reporting-bugs: remind people to back up their data Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 12/26] docs: reporting-bugs: tell users to disable DKMS et al Thorsten Leemhuis
2020-10-02 17:28 ` Randy Dunlap [this message]
2020-10-03 9:59 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 13/26] docs: reporting-bugs: point out the environment might be causing issue Thorsten Leemhuis
2020-10-02 17:32 ` Randy Dunlap
2020-10-03 10:00 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 14/26] docs: reporting-bugs: make users write notes, one for each issue Thorsten Leemhuis
2020-10-02 17:35 ` Randy Dunlap
2020-10-03 10:01 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 15/26] docs: reporting-bugs: make readers test mainline, but leave a loophole Thorsten Leemhuis
2020-10-02 17:51 ` Randy Dunlap
2020-10-03 10:11 ` Thorsten Leemhuis
2020-11-11 15:36 ` Thorsten Leemhuis
2020-11-12 3:42 ` Randy Dunlap
2020-11-12 5:22 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 16/26] docs: reporting-bugs: let users check taint status again Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 17/26] docs: reporting-bugs: explain options if reproducing on mainline fails Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 18/26] docs: reporting-bugs: let users optimize their notes Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 19/26] docs: reporting-bugs: decode failure messages [need help] Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 20/26] docs: reporting-bugs: instructions for handling regressions Thorsten Leemhuis
2020-10-04 4:03 ` Randy Dunlap
2020-10-04 6:31 ` Thorsten Leemhuis
2020-10-01 8:39 ` [RFC PATCH v1 21/26] docs: reporting-bugs: details on writing and sending the report Thorsten Leemhuis
2020-10-09 2:45 ` Randy Dunlap
2020-10-09 7:38 ` Thorsten Leemhuis
2020-10-01 8:50 ` [RFC PATCH v1 22/26] docs: reporting-bugs: explain what users should do once the report got out Thorsten Leemhuis
2020-10-09 17:37 ` Randy Dunlap
2020-10-11 13:29 ` Thorsten Leemhuis
2020-10-11 15:06 ` Randy Dunlap
2020-10-01 8:50 ` [RFC PATCH v1 23/26] docs: reporting-bugs: details for issues specific to stable and longterm Thorsten Leemhuis
2020-10-09 18:42 ` Randy Dunlap
2020-10-11 13:29 ` Thorsten Leemhuis
2020-10-01 8:50 ` [RFC PATCH v1 24/26] docs: reporting-bugs: explain why users might get neither reply nor fix Thorsten Leemhuis
2020-10-04 4:03 ` Randy Dunlap
2020-10-04 6:35 ` Thorsten Leemhuis
2020-10-01 8:50 ` [RFC PATCH v1 25/26] docs: reporting-bugs: explain things could be easier Thorsten Leemhuis
2020-10-04 4:03 ` Randy Dunlap
2020-10-04 6:36 ` Thorsten Leemhuis
2020-10-01 8:50 ` [RFC PATCH v1 26/26] docs: reporting-bugs: add SPDX tag and license hint, remove markers Thorsten Leemhuis
2020-11-09 11:01 ` [RFC PATCH v1 00/26] Make reporting-bugs easier to grasp and yet more detailed Thorsten Leemhuis
2020-11-09 18:21 ` Jonathan Corbet
2020-11-10 12:01 ` Thorsten Leemhuis
2020-11-10 3:23 ` Randy Dunlap
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