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| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-11-07 22:03:17 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2016-11-08 02:50:23 +0300 |
| commit | c730904b16c7ee6f3bba2d1536621151745fc314 (patch) | |
| tree | 0993c9005959248b1b9a47ed319f063698a21eef /Documentation/admin-guide/bug-hunting.rst | |
| parent | ab0e44c155519d9b16f9eca1644d520788dd4545 (diff) | |
| download | linux-c730904b16c7ee6f3bba2d1536621151745fc314.tar.xz | |
doc-rst: admin-guide: move bug bisect to a separate file
Better organize the admin guide documentation by moving the
bug bisect to a separate file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/admin-guide/bug-hunting.rst')
| -rw-r--r-- | Documentation/admin-guide/bug-hunting.rst | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/Documentation/admin-guide/bug-hunting.rst b/Documentation/admin-guide/bug-hunting.rst index 818b3e09267f..d245d4677ae2 100644 --- a/Documentation/admin-guide/bug-hunting.rst +++ b/Documentation/admin-guide/bug-hunting.rst @@ -3,80 +3,6 @@ Bug hunting Last updated: 28 October 2016 -Introduction -============ - -Always try the latest kernel from kernel.org and build from source. If you are -not confident in doing that please report the bug to your distribution vendor -instead of to a kernel developer. - -Finding bugs is not always easy. Have a go though. If you can't find it don't -give up. Report as much as you have found to the relevant maintainer. See -MAINTAINERS for who that is for the subsystem you have worked on. - -Before you submit a bug report read -:ref:`Documentation/admin-guide/reporting-bugs.rst <reportingbugs>`. - -Devices not appearing -===================== - -Often this is caused by udev/systemd. Check that first before blaming it -on the kernel. - -Finding patch that caused a bug -=============================== - -Using the provided tools with ``git`` makes finding bugs easy provided the bug -is reproducible. - -Steps to do it: - -- build the Kernel from its git source -- start bisect with [#f1]_:: - - $ git bisect start - -- mark the broken changeset with:: - - $ git bisect bad [commit] - -- mark a changeset where the code is known to work with:: - - $ git bisect good [commit] - -- rebuild the Kernel and test -- interact with git bisect by using either:: - - $ git bisect good - - or:: - - $ git bisect bad - - depending if the bug happened on the changeset you're testing -- After some interactions, git bisect will give you the changeset that - likely caused the bug. - -- For example, if you know that the current version is bad, and version - 4.8 is good, you could do:: - - $ git bisect start - $ git bisect bad # Current version is bad - $ git bisect good v4.8 - - -.. [#f1] You can, optionally, provide both good and bad arguments at git - start:: - - git bisect start [BAD] [GOOD] - -For further references, please read: - -- The man page for ``git-bisect`` -- `Fighting regressions with git bisect <https://www.kernel.org/pub/software/scm/git/docs/git-bisect-lk2009.html>`_ -- `Fully automated bisecting with "git bisect run" <https://lwn.net/Articles/317154>`_ -- `Using Git bisect to figure out when brokenness was introduced <http://webchick.net/node/99>`_ - Fixing the bug ============== |