Debian Bug report logs - #907497
jenkins.debian.org: reproducible: reports outdated kernel variations

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Vagrant Cascadian <vagrant@debian.org>

To: submit@bugs.debian.org

Subject: jenkins.debian.org: reproducible: reports outdated kernel variations

Date: Tue, 28 Aug 2018 11:56:11 -0700

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Package: jenkins.debian.org
Severity: minor

Thanks for maintaining jenkins!

https://tests.reproducible-builds.org/debian/index_variations.html lists:

  Linux 4.9.0-6-armmp #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) armv7l
  Linux 4.9.0-6-armmp-lpae #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) armv7l

But no currently active systems are running these kernels. I suspect it
is some cached kernel version leftover from before several armhf systems
were removed (#903321: reproducible: Remove armhf systems with only 1GB
of ram).

I've also seen this happen when a system is down for a prolonged period
and the last known kernel was an older kernel, although the case could
be made that that's more-or-less correct.


live well,
  vagrant

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Message #10 received at 907497@bugs.debian.org (full text, mbox, reply):

From: Mattia Rizzolo <mattia@debian.org>

To: Vagrant Cascadian <vagrant@debian.org>, 907497@bugs.debian.org

Subject: Re: [Qa-jenkins-dev] Bug#907497: jenkins.debian.org: reproducible: reports outdated kernel variations

Date: Tue, 28 Aug 2018 23:53:55 +0200

On Tue, Aug 28, 2018 at 8:57 PM Vagrant Cascadian <vagrant@debian.org> wrote:
> https://tests.reproducible-builds.org/debian/index_variations.html lists:
>
>   Linux 4.9.0-6-armmp #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) armv7l
>   Linux 4.9.0-6-armmp-lpae #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) armv7l
>
> But no currently active systems are running these kernels. I suspect it
> is some cached kernel version leftover from before several armhf systems
> were removed

Indeed it is.
Nothing is currently cleaning up
/srv/reproducible-results/node-information/$hostname when a node is
removed, so it's storing also all removed and renamed nodes.

Of course I could just remove those files manually, but we would
forget to do it next time, so I'm leaving this open and the files in
place until we add some checks for non-known files (could just be
something that checks the list of file presents in that directory and
compares it with the list of hosts in jenkins_node_definitions.sh,
most likely to be run by reproducible_html_nodes_info.sh).

> I've also seen this happen when a system is down for a prolonged period
> and the last known kernel was an older kernel, although the case could
> be made that that's more-or-less correct.

maybe said checks should also consider jenkins-home/offline_nodes why not :)

-- 
regards,
Mattia Rizzolo

GPG Key: 4096R/B9444540 http://goo.gl/I8TMB
more about me: http://mapreri.org
Launchpad User: https://launchpad.net/~mapreri
Ubuntu Wiki page: https://wiki.ubuntu.com/MattiaRizzolo

Message #15 received at 907497-done@bugs.debian.org (full text, mbox, reply):

From: Holger Levsen <holger@layer-acht.org>

To: 907497-done@bugs.debian.org

Subject: Re: [Qa-jenkins-dev] Bug#907497: Bug#907497: jenkins.debian.org: reproducible: reports outdated kernel variations

Date: Wed, 29 Aug 2018 13:02:56 +0000

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hi,

thanks for your bug report, Vagrant!

$ git log -p -1
commit 2635dc7ad1914a5d01725795e039478f4b261c0e
Author: Holger Levsen <holger@layer-acht.org>
Date:   Wed Aug 29 14:59:15 2018 +0200

    reproducible Debian: remove old node entries which are older than
    two weeks (Closes: #907497)
      
diff --git a/bin/reproducible_html_nodes_info.sh

TARGET_DIR=/srv/reproducible-results/node-information/
# remove old node entries which are older than two weeks
find $TARGET_DIR/ -type f -mtime +14 -exec rm -v {} \;


tested as:

holger@jenkins:~$ TARGET_DIR=/srv/reproducible-results/node-information/
holger@jenkins:~$ find $TARGET_DIR/ -type f -mtime +14 -exec echo rm -v {} \;
rm -v /srv/reproducible-results/node-information//hb0-armhf-rb.debian.net
rm -v /srv/reproducible-results/node-information//rpi2c-armhf-rb.debian.net
rm -v /srv/reproducible-results/node-information//wbd0-armhf-rb.debian.net
rm -v /srv/reproducible-results/node-information//rpi2b-armhf-rb.debian.net
rm -v /srv/reproducible-results/node-information//bpi0-armhf-rb.debian.net

guess that matches :)


-- 
cheers,
	Holger

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                    holger@(debian|reproducible-builds).org

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