Bug#323176: marked as done (linux-image-2.6.12-1-686: Measured kernel entropy dropped significantly after upgrade)
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and subject line Bug#323176: linux-image-2.6.12-1-686: Measured kernel entropy dropped significantly after upgrade
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>From chris.higgins@darach.ie Mon Aug 15 01:43:23 2005
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From: Chris Higgins <chris.higgins@darach.ie>
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Date: Mon, 15 Aug 2005 09:43:15 +0100
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Subject: linux-image-2.6.12-1-686: Measured kernel entropy dropped significantly
after upgrade
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Package: linux-image-2.6.12-1-686
Version: 2.6.12-2
Severity: normal
We run munin & munin-node on our systems, to provide some form of
trend analysis.
The before & after pictures for kernel entropy on 2.6.12 are odd.
The before - was a pretty constant entropy up averaging about 3800
The after is averaging 733
To make it clear - here is the munin graph as of Aug 15th
http://www.darach.ie/images/legolas.darach.ie-entropy-week.png
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (990, 'unstable'), (500, 'stable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.12-1-686
Locale: LANG=en_IE@euro, LC_CTYPE=en_IE@euro (charmap=ISO-8859-15)
Versions of packages linux-image-2.6.12-1-686 depends on:
ii coreutils [fileutils] 5.2.1-2 The GNU core utilities
ii fileutils 5.2.1-2 The GNU file management utilities
ii initrd-tools 0.1.81.1 tools to create initrd image for p
ii module-init-tools 3.2-pre8-1 tools for managing Linux kernel mo
linux-image-2.6.12-1-686 recommends no packages.
-- no debconf information
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Date: Tue, 16 Aug 2005 01:13:06 +0200
From: maximilian attems <debian@sternwelten.at>
To: 323176-done@bugs.debian.org
Subject: Re: Bug#323176: linux-image-2.6.12-1-686: Measured kernel entropy dropped significantly after upgrade
Message-ID: <20050815231306.GA29731@sputnik.stro.at>
References: <[🔎] E1E4aYt-0007m1-Vd@legolas.darach.ie>
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On Mon, 15 Aug 2005, Chris Higgins wrote:
> We run munin & munin-node on our systems, to provide some form of
> trend analysis.
>
> The before & after pictures for kernel entropy on 2.6.12 are odd.
>
> The before - was a pretty constant entropy up averaging about 3800
> The after is averaging 733
>
> To make it clear - here is the munin graph as of Aug 15th
> http://www.darach.ie/images/legolas.darach.ie-entropy-week.png
that was a security fix.
i rembember the ioctl beeing badly designed and removed in the cleanup.
the previous information was _not_ reliable.
closing as that is not a bug.
--
maks
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