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Thread: MD5 checksums won't match

  1. #1

    Default MD5 checksums won't match

    I've downloaded the 32-bit, DVD version of openSUSE 11.2 4 times recently. First I tried the normal site twice, then a mirror, and finally bit torrent. Each time the MD5 checksum doesn't match. It looks like it's the same wrong checksum every time. So, in other words, I'm getting the same files, but the checksum on the file doesn't match the one listed on the site.

    Any advice? I'm getting tired of bogging down my internet connection for 5 hours.

    BTW, the 64-bit version that I downloaded when 11.2 first came out matches.

  2. #2
    Join Date
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    Default Re: MD5 checksums won't match

    Using wget to download went fine for me. Checksums match.

    Are you by any chance on a system with a 4GB file size limit? What did you use to download? Please compare the file size of your downloaded file to the official numbers (4'497'694'720 Bytes).
    Technology is 'stuff that doesn't work yet.' -- Bran Ferren

  3. #3
    palladium NNTP User

    Default Re: MD5 checksums won't match

    there is a wide range of possible problems and ways to avoid or solve
    them in:

    http://en.opensuse.org/Download_Help
    http://tinyurl.com/yhf65pv
    http://tinyurl.com/ycly3eg

    and previous threads you can access via
    http://forums.opensuse.org/search.php

    --
    palladium

  4. #4

    Default Re: MD5 checksums won't match

    I guess I wasn't very detailed in my original post. I'm downloading via WinXP and using Firefox to do so (no download tool of any kind other than that built into Firefox). For the torrent, I used uTorrent.

    I do not have a 4GB limit. The file size is shown as 4,497,694,720, which is the "official" size.

    BTW, I have already gone through the download help, but I didn't say I did. I also DID do a search, which is why I tried using bitTorrent. However, the other links you provided don't include any other details of why an MD5 checksum may not match. If you read them, they just say that it is really important that you verify them. If they don't match, download again. They do not say anything about possible reasons why they might not match.

  5. #5
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    Default Re: MD5 checksums won't match

    Did anyone just check this with you
    295d713314a30ad017948f0d542c6d92 openSUSE-11.2-DVD-i586.iso
    My openSUSE 13.1 KDE Box
    My Articles
    Was I any help? If yes: Click the star below

  6. #6

    Default Re: MD5 checksums won't match

    Quote Originally Posted by caf4926 View Post
    Did anyone just check this with you
    295d713314a30ad017948f0d542c6d92 openSUSE-11.2-DVD-i586.iso
    I'm not sure what you are asking. I tried using the one you posted here, and it appears (without looking carefully) like the same one I found on the openSUSE site. I checked the file using this one, and it again, does not match.

    BTW, I just tried using a metalink with the DownThemAll Firefox extension. It says, "The checksums of the download didn't match. This means the download is corrupt or comprimised, unless the provided checksum was bad in the first place. Therefore it is recommended not to use the downloaded data."

    This was before it downloaded anything. That kind of makes me think that either there is something wrong with the checksum, or somehow the file on the server got corrupted. What do you guys think?

  7. #7
    palladium NNTP User

    Default Re: MD5 checksums won't match

    Yippee38 wrote:
    > I guess I wasn't very detailed in my original post.


    you are correct, i have found it unwise to assume all suggested means
    for success has been followed prior to a problem occurring..

    it seems, however, you did everything right--except once downloaded
    you need not bog down your connection for another 15 hours (5 hours
    each, three more times)--instead, just point a torrent at the iso you
    have and it will auto/self correct which ever bits are wrong..


    > They do not say anything about possible reasons why
    > they might not match.


    there are numerous threads which discuss all kinds of reasons of why
    the file size might be exactly the same and still the iso's md5sum may
    not match....i don't them all...it ranges from faulty sectors on the
    hard disk the iso is saved to; the type of file system the iso is
    saved on; problems encountered in system RAM (it only takes one itty
    bitty problem to completely mess up the md5); and others...i forget..

    because there are apparently combinations of ISPs, user
    hardware/software and user capability/procedures i do recall that more
    than one person has been told it is probably best to purchase a disk
    from any of a multitude of folks selling them on the net, for very
    little..

    finally, what md5sum are you getting and what system/program did you
    use to calculate it?

    --
    palladium

  8. #8
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    Default Re: MD5 checksums won't match

    Very strange. Bittorrent should be capable of correcting errors in the downloaded image and the download comes from peers, not the download server so there wouldn't be a central point of failure.

    What MD5 checking tool are you using and how are you using it? Have you tried a second tool like say md5deep and does it agree?

  9. #9
    palladium NNTP User

    Default Re: MD5 checksums won't match

    Yippee38 wrote:
    > I checked the file using this one, and it again, does not match.
    >
    > BTW, I just tried using a metalink with the DownThemAll Firefox
    > extension.


    i have no idea what you speak of about firefox or "DownThemAll"
    checking md5sum....and, i don't read anything about that in the
    references i gave you...i did read:

    -"Microsoft Windows doesn't include a program for calculating
    checksums but a free md5sum/sha1sum checker for several operating
    systems can be found at md5deep.sourceforge.net or you can use
    QuickPar" (cite: download help)

    -"One completely free, MS-Windows application for running the md5
    checksum on a number of different operating systems, is here on
    sourceforge.net: md5deep

    Another gui md5 checker for MS-Windows 95/98/NT (it works in Xp as
    well even though it doesn't say so). The file is md5.exe (248kB) and
    can be downloaded from MD5 GUI for Windows. It's under the gpl licence
    and you can download the source if you want."
    (cite: http://tinyurl.com/yhf65pv)

    which of those programs did you use?
    and what did it calculate?

    --
    palladium

  10. #10

    Default Re: MD5 checksums won't match

    The checksum I am getting is "CB28648F43520891DC7CF8C6E78FBADF". The tool I am using is "MD5 Check Utility v2.31" from TSoft, which appears to be defunct.

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