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Bug#704162: Wrong sum for GTK installer initrd.gz inside netboot.tar.gz

Control: reassign -1 debian-installer

Hmmm. This seems like an odd bug. But it's definitely not a CD issue -
this belongs to the d-i team.

On Wed, Jun 05, 2013 at 10:57:05PM +0200, Simon Paillard wrote:
>Control: tag -1 +confirmed , severity -1 minor , reassign -1 cdimage.debian.org
>On Thu, Mar 28, 2013 at 07:28:54PM +0100, Benjamin Cama wrote:
>> I don't really know where to file that; please reassign if I'm wrong.
>If this is specific to one mirror, it's a mirroring bug, else it's a bug
>against cdimage.debian.org
>> I recently downloaded the debian-installer netboot archive at
>> http://debian.univ-nantes.fr/debian/dists/wheezy/main/installer-amd64/current/images/netboot/gtk/netboot.tar.gz
>> which is the GTK version of the netboot installer (this bug doesn't
>> affect the text version).
>> I noticed, after unpacking it and checking for the sums, hoping that
>> they will be the same as if I downloaded all the files individually,
>> that they all validate except one: the initrd.gz for this installer. (I
>> checked the sum of the .tar.gz itself, and it's OK).
>> The sums are, e.g., here:
>> http://debian.univ-nantes.fr/debian/dists/wheezy/main/installer-amd64/current/images/SHA256SUMS
>> When getting directly the initrd.gz from
>> http://debian.univ-nantes.fr/debian/dists/wheezy/main/installer-amd64/current/images/netboot/gtk/debian-installer/amd64/initrd.gz
>> I correctly get
>> f8971317915ed2ce8358b24ca88ea95c75ebe97a1e0a95f60c7977da368b3352
>> But when extracting it from the archive, I get
>> c2103b9533baa88814e770b493e5ba93f3043f3d73ce6e018addcd7c84b22cd4
>> By looking closer, the uncompressed initrd from both files is the same.
>> Only the date (from the gzip header) differs by a couple of seconds. And
>> this only happens for the GTK installer, not the text one, once again…
>> Furthermore, I also realized that Ubuntu is affected, too (!); the sum
>> for the GTK installer of Precise Pangolin has the same problem.
>> There must be a small packaging bug somewhere…
>In order to reproduce this:
>cp -a gtk gtk.check
>cd gtk.check; rm -r debian-installer pxelinux*
>tar xf netboot.tar.gz
>vimdiff <(cd gtk/ && find -type f -exec sha256sum '{}' \;) <(cd gtk.check && find -type f -exec sha256sum '{}' \;)
>--> we can confirm ./debian-installer/amd64/initrd.gz has a different sum once extracted.
>Simon Paillard
>To UNSUBSCRIBE, email to debian-cd-REQUEST@lists.debian.org
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>Archive: [🔎] 20130605205705.GA1782@glenfiddich.mraw.org">http://lists.debian.org/[🔎] 20130605205705.GA1782@glenfiddich.mraw.org
Steve McIntyre, Cambridge, UK.                                steve@einval.com
Who needs computer imagery when you've got Brian Blessed?

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