[RFC PATCH v1 13/26] docs: reporting-bugs: point out the environment might be causing issue

From: Thorsten Leemhuis
Date: Thu Oct 01 2020 - 04:52:02 EST


Help users to avoid a few pitfalls, as they might be the real reason why
the kernel is acting up somehow.

Signed-off-by: Thorsten Leemhuis <linux@xxxxxxxxxxxxx>
---
Documentation/admin-guide/reporting-bugs.rst | 34 ++++++++++++++++++++
1 file changed, 34 insertions(+)

diff --git a/Documentation/admin-guide/reporting-bugs.rst b/Documentation/admin-guide/reporting-bugs.rst
index d96b21512c03..2292b79cf462 100644
--- a/Documentation/admin-guide/reporting-bugs.rst
+++ b/Documentation/admin-guide/reporting-bugs.rst
@@ -583,6 +583,40 @@ not part of the Linux kernel. Your package manager might thus force you to
remove those, too.


+Ensure a healthy environment
+----------------------------
+
+ *Make sure it's not the kernels surroundings that are causing the issue you
+ face.*
+
+Problems that look a lot like a kernel issue are sometimes caused by build
+or runtime environment. It's hard to rule out that problem completely, but you
+should minimize it:
+
+ * Use proven tools when building your kernel, as bugs in the compiler or the
+ binutils can cause the resulting kernel to misbehave.
+
+ * Ensure your computer components runs within their design specifications;
+ that's especially important for the main processor, the main memory, and the
+ motherboard. Therefore, stop overclocking when facing a potential kernel
+ issue.
+
+ * Try to make sure it's not faulty hardware that is causing your issue. Bad
+ main memory for example can result in a multitude of issues that will
+ manifest itself in problems looking like kernel issues.
+
+ * If you're dealing with a filesystem issue, you might want to check the file
+ system in question with ``fsck`` before trying to reproduce it again.
+
+ * When dealing with a regression, make sure it's not something else that
+ changed in parallel to updating the kernel. The problem for example might be
+ caused by another software that was updated at the same time. It can also
+ happen that a hardware component coincidentally just broke when you rebooted
+ into a new kernel for the first time. Updating the systems BIOS or changing
+ something in the BIOS Setup can also lead to problems that on the first sight
+ look like a regression.
+
+
.. ############################################################################
.. 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.
--
2.26.2