We believe that your issue has been closed by the upload of
Version 0.2.7 of grml-saveconfig from Michael Prokop <mika@grml.org>.
The explanation is attached below

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Format: 1.8
Date: Sat, 28 Feb 2009 17:06:41 +0100
Source: grml-saveconfig
Binary: grml-saveconfig
Architecture: source all
Version: 0.2.7
Distribution: unstable
Urgency: low
Maintainer: Michael Prokop <mika@grml.org>
Changed-By: Michael Prokop <mika@grml.org>
Description: 
 grml-saveconfig - utilities and documentation for saving and restoring configuratio
Changes: 
 grml-saveconfig (0.2.7) unstable; urgency=low
 .
   * Work around the "file changed as we read it" issue of GNU tar.
     [Closes: issue478]
Checksums-Sha1: 
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 9fa69eb0efb37c87842194a47e577fa8f22e07a5 14459 grml-saveconfig_0.2.7.tar.gz
 5a647de6b58bd60ed0d1cffcd26619876d9bd4e7 28518 grml-saveconfig_0.2.7_all.deb
Checksums-Sha256: 
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Files: 
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* Marc 'Zugschlus' Haber <bts@bts.grml.org> [20080609 21:11]:

> Packs up a lot less, but still files that were never manually touched. 
> LIke /etc/mdadm/mdadm.conf, or /etc/sysconfig/keyboard.

This are automatically generated files, so that's ok.

> On the first try, it complained about some files changing as they were read and 
> terminated with an unspecified error, but the second try worked.

Ok, I'll try to find a workaround for the "files changing" issue.

thx && regards,
-mika-

Packs up a lot less, but still files that were never manually touched. 
LIke /etc/mdadm/mdadm.conf, or /etc/sysconfig/keyboard.

On the first try, it complained about some files changing as they were read and 
terminated with an unspecified error, but the second try worked.

Strange.

Michael Prokop <mika@grml.org> has uploaded a package that may fix your bug.
Please test the package and inform the maintainer whether
version 0.2.5 of grml-saveconfig works as intended or not.

Thank you

The changelog is attached below

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Format: 1.7
Date: Mon, 09 Jun 2008 20:09:49 +0200
Source: grml-saveconfig
Binary: grml-saveconfig
Architecture: source all
Version: 0.2.5
Distribution: unstable
Urgency: low
Maintainer: Michael Prokop <mika@grml.org>
Changed-By: Michael Prokop <mika@grml.org>
Description: 
 grml-saveconfig - utilities and documentation for saving and restoring configuratio
Changes: 
 grml-saveconfig (0.2.5) unstable; urgency=low
 .
   * Do not save the entire /etc when using the new aufs layout.
     Thanks for reporting to Marc Haber! [Testing: issue478]
   * Fix typo in -grmlhome option handling.
   * Clean up package to make lintian happy.
Files: 
 eb7b7984eb0d5a2fff76861d44864e93 637 grml optional grml-saveconfig_0.2.5.dsc
 d55e7f5ab6a0d0afcc86fccce962c085 18214 grml optional grml-saveconfig_0.2.5.tar.gz
 ca55855fa94f98b580f32a52b697fa02 27714 grml optional grml-saveconfig_0.2.5_all.deb

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Hi,

according to the docs, save-config -etc is only supposed to pack up the files 
that were changed. That stopped working, it packs up the entire /etc.

Greetings
Marc