[Qa-jenkins-scm] [Git][qa/jenkins.debian.net][master] take notes how to setup netconsole...

[Holger Levsen]

Holger Levsen pushed to branch master at Debian QA / jenkins.debian.net


Commits:
847b0ffb by Holger Levsen at 2019-01-25T00:07:29Z
take notes how to setup netconsole...

Signed-off-by: Holger Levsen <holger at layer-acht.org>

- - - - -


1 changed file:

- TODO


Changes:

=====================================
TODO
=====================================
@@ -79,6 +79,21 @@ See link:https://jenkins.debian.net/userContent/about.html["about jenkins.debian
 * add link to OSUOSL in THANKS and explain usage
 * drop 'setup in progress' from r_html_nodes_info
 * blog post when done
+* setup netconsoles:
+----
+<guerby> | Ramereth, h01ger netconsole is about the ony way to diagnose this kind of issue in my experience
+<guerby> | h01ger, setup rsyslogd on one of the gccserver then it's just one modprobe netconsole
+<guerby> | h01ger, since the machine are on the same LAN
+<guerby> (if not on the same LAN, modprobe netconsole netconsole=+@${IPSRC}/eth0,514@${IPRSYSLOG}/${GWMACADDR} )
+<guerby> where GWMACADDR is 00:11:22... your gateway MAC
+<guerby> saved the day lots of time here :)
+<guerby> found this ext4 bug thanks to it, CVE : https://bugzilla.redhat.com/show_bug.cgi?id=1360968
+<guerby> "Red Hat would like to thank Laurent Guerby for bringing this to our attention." and /me thanks netconsole :)
+<guerby> https://bugzilla.kernel.org/show_bug.cgi?id=107301
+<Ramereth> ya, netconsole is very nice to find odd kernel issues
+<h01ger> | and you recommend to have that running all the time on all the nodes? or only when we suspect probs?
+<Ramereth> we currently have it running all the time on all physical nodes
+----
 
 ==== proper backup
 



View it on GitLab: https://salsa.debian.org/qa/jenkins.debian.net/commit/847b0ffb111b2697a022f6514784df0b7197dc29

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