Snapshot MD5 mismatch?

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Snapshot MD5 mismatch?

patrick keshishian
Greetings,

Originally I was going to post a simple question asking
whether it was normal (read: expected) that the MD5 check-sum
for the install42.iso from snapshots not matching the check-
sum advertised in the MD5 file.  In fact the check-sum
reported in the MD5 file is for the previous snapshot; at
least that is the pattern I've noticed for the past three
snapshots I've seen put up on ftp.openbsd.org[1].

I downloaded a snapshot that was dated Sep. 22nd (I believe,
but I'm not 100% on the date), but never got around to install,
because I noticed the discrepancy in the MD5 check-sum for the
install42.iso file.  I waited until I saw a new snapshots put up
a day (or two) ago, dated Oct. 6th.  Again the MD5 check-sum
for the install42.iso file didn't match what was advertised
in the MD5 file.  However, the advertised check-sum for the
Oct. 6th snapshots matched that of the previous snapshot (Sep.
22nd).  I composed a question to send to ppc@ but noticed
this post[2] on misc@ and I figured the problem I'm seeing
must be related to the process discussed in the post, which
is being addressed.

This morning I noticed a new snapshot put up on the site[1],
again dated Oct. 6th.  I fetched that snapshot and still
noticed the discrepancy for the MD5 check-sum for install42.iso
file and what is advertised in the MD5 file.  Once again,
the advertised check-sum is that of the previous snapshot's
install42.iso file! :-)  (see [3],[4] and [5]).

Realizing that these are trivial, and arguably non-issues,
curiosity forces me to ask:

a) Are these known issues?
b) Today is Oct. 9th, why is the snapshot that is put up
   dated Oct. 6th?


Kind regards,

--patrick
p.s., Feel free to Cc me on your replies.


[1] ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/macppc/

[2] http://marc.info/?l=openbsd-misc&m=119169990614792&w=2

[3] Snapshot from Sep. 22nd (I believe)
$ /bin/md5 install42.iso
MD5 (install42.iso) = 7e8c12d5743a86121af458fe397c637e

[4] Snapshot #1 from Oct. 6th
$ /bin/md5 snapshots/macppc/install42.iso
MD5 (snapshots/macppc/install42.iso) = 21dfed541a93079810315e63a027e255

$ /usr/bin/grep install42.iso MD5
MD5 (install42.iso) = 7e8c12d5743a86121af458fe397c637e

[5] Snapshot #2 from Oct. 6th
/bin/md5 snapshots/macppc/install42.iso
MD5 (snapshots/macppc/install42.iso) = e88c85cd886bbde1b9ac2262b9633ff0

$ /usr/bin/grep install42.iso MD5
MD5 (install42.iso) = 21dfed541a93079810315e63a027e255

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Re: Snapshot MD5 mismatch?

Theo de Raadt
Bummer.  What should I do?  Delete the MD5 checksums?  Will that help
stop the criticism of this ridiculous thing?

snapshots are made available on an as-is basis.  If you don't like
that, don't use them.  Complaining might only result in one thing --
that I make far fewer of them.

> Originally I was going to post a simple question asking
> whether it was normal (read: expected) that the MD5 check-sum
> for the install42.iso from snapshots not matching the check-
> sum advertised in the MD5 file.  In fact the check-sum
> reported in the MD5 file is for the previous snapshot; at
> least that is the pattern I've noticed for the past three
> snapshots I've seen put up on ftp.openbsd.org[1].
>
> I downloaded a snapshot that was dated Sep. 22nd (I believe,
> but I'm not 100% on the date), but never got around to install,
> because I noticed the discrepancy in the MD5 check-sum for the
> install42.iso file.  I waited until I saw a new snapshots put up
> a day (or two) ago, dated Oct. 6th.  Again the MD5 check-sum
> for the install42.iso file didn't match what was advertised
> in the MD5 file.  However, the advertised check-sum for the
> Oct. 6th snapshots matched that of the previous snapshot (Sep.
> 22nd).  I composed a question to send to ppc@ but noticed
> this post[2] on misc@ and I figured the problem I'm seeing
> must be related to the process discussed in the post, which
> is being addressed.
>
> This morning I noticed a new snapshot put up on the site[1],
> again dated Oct. 6th.  I fetched that snapshot and still
> noticed the discrepancy for the MD5 check-sum for install42.iso
> file and what is advertised in the MD5 file.  Once again,
> the advertised check-sum is that of the previous snapshot's
> install42.iso file! :-)  (see [3],[4] and [5]).
>
> Realizing that these are trivial, and arguably non-issues,
> curiosity forces me to ask:
>
> a) Are these known issues?
> b) Today is Oct. 9th, why is the snapshot that is put up
>    dated Oct. 6th?
>
>
> Kind regards,
>
> --patrick
> p.s., Feel free to Cc me on your replies.
>
>
> [1] ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/macppc/
>
> [2] http://marc.info/?l=openbsd-misc&m=119169990614792&w=2
>
> [3] Snapshot from Sep. 22nd (I believe)
> $ /bin/md5 install42.iso
> MD5 (install42.iso) = 7e8c12d5743a86121af458fe397c637e
>
> [4] Snapshot #1 from Oct. 6th
> $ /bin/md5 snapshots/macppc/install42.iso
> MD5 (snapshots/macppc/install42.iso) = 21dfed541a93079810315e63a027e255
>
> $ /usr/bin/grep install42.iso MD5
> MD5 (install42.iso) = 7e8c12d5743a86121af458fe397c637e
>
> [5] Snapshot #2 from Oct. 6th
> /bin/md5 snapshots/macppc/install42.iso
> MD5 (snapshots/macppc/install42.iso) = e88c85cd886bbde1b9ac2262b9633ff0
>
> $ /usr/bin/grep install42.iso MD5
> MD5 (install42.iso) = 21dfed541a93079810315e63a027e255

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Re: Snapshot MD5 mismatch?

patrick keshishian
I didn't realize my "tone" came across as "complaining".

 * I saw a problem.
 * I wondered if others had noticed it (read: reported it).
 * Maybe in my naive mindset I assumed someone might want
   to take a look at it, if it in fact was an issue (read:
   someone might want to look into fixing the problem)
 * Evidentially I was completely out of line.

My mistake.

--patrick

p.s., Theo, you might consider ignoring posts that upset you
so.  Not all posts are meant to get a rise out of you.





On 10/9/07, Theo de Raadt <[hidden email]> wrote:
> Bummer.  What should I do?  Delete the MD5 checksums?  Will that help
> stop the criticism of this ridiculous thing?
>
> snapshots are made available on an as-is basis.  If you don't like
> that, don't use them.  Complaining might only result in one thing --
> that I make far fewer of them.