View Poll Results: Have you faced ERRORS During the "Check CD for Defects"?

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  • Yes, if YES plz share yr experience, was it CD or DVD?

    6 46.15%
  • No

    6 46.15%
  • I have never used it!!

    1 7.69%
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Thread: Check CD for Defects, FAILURE!!

  1. #1
    Join Date
    Apr 2008
    Location
    Cairo, Egypt
    Beans
    42
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Angry Check CD for Defects, FAILURE!!

    hi, i downloaded the ubuntu 8.04 DVD and burnt it on a BENQ DVD and when i checked it for defects it kept giving me different errors some were input/output error, and some related to logical.... couldn't read it because it went fast

    i couldn't also wait till the check ends because it was checking every single file and giving error with every single file

    i burnt it using a SONY DVD device at 4x speed and it was the only working program, so everything should be okay

    i tried the cd check on 3 computers"2 laptops+1 PC(using the SONY DVD Device)",,all gave those errors..

    so now what should i do??
    also, how can i check for the md5 check sum or whatever it is called??
    what program is the best??also, please provide steps , and is it normal that such programs go NOT RESPONDING while checking and take long time??"may be because it is a DVD"

    and what should i check, the iso??the burnt cd??or what!!!

    one last thing, i had Ubuntu CD burnt and gave errors too!!HINT::burnt using another device

    mmmmm, dont think i have more questions!!

    oh, ofcourse am talking about Ubuntu Hardy Heron 8.04 in both the DVD&CD

    so, Thanks in advance

    Mahmoud Tantawy

  2. #2
    Join Date
    May 2006
    Location
    Wichita, Kansas
    Beans
    2,967
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Check CD for Defects, FAILURE!!

    https://help.ubuntu.com/community/HowToMD5SUM will help you concerning your md5sum question.

    Wondering if you have a hardware problem with your burner? First, however, does your device have the latest and greatest firmware upgrades?

    EDIT: Not trying to be stupid here, but you did burn it as an iso image, and not as, e.g., a data file?

  3. #3
    Join Date
    Apr 2008
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    Cairo, Egypt
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    42
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    Ubuntu 10.10 Maverick Meerkat

    Re: Check CD for Defects, FAILURE!!

    Quote Originally Posted by avtolle View Post
    https://help.ubuntu.com/community/HowToMD5SUM will help you concerning your md5sum question.

    Wondering if you have a hardware problem with your burner? First, however, does your device have the latest and greatest firmware upgrades?

    EDIT: Not trying to be stupid here, but you did burn it as an iso image, and not as, e.g., a data file?
    ofcourse i burnt it as ISO , by the way, i used power iso, is it good??i also have magic iso&nero, which is better??anyother suggestions!!!

    the SONY DVD Device is okay, infact i used it alot and it gives no errors with other movies DVDs or even windows CDs & DVDs or data CDs & DVDs so it is okay...

    the page &the program provided on it check only the ISO file, and it is correct, i want a program to check the DVD??and if available compare it with the ISO!!

    Mahmoud Tantawy

  4. #4
    Join Date
    Mar 2007
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    16,549
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Check CD for Defects, FAILURE!!

    Try ImgBurn (by the legendary maker of DVD Decrypter):
    http://www.imgburn.com/index.php?act=download
    Install
    Go to Mode>ISO>Burn. Select speed as 4x.
    Clean the lens in your burner, just in case.

    Dr. Fernando Duran Dollenz
    Libertad 584
    6824871

  5. #5
    Join Date
    Aug 2006
    Location
    Geelong, Victoria, Aust.
    Beans
    228
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Check CD for Defects, FAILURE!!

    It's also been suggested that you burn at SLOWEST speed possible.

  6. #6
    Join Date
    Aug 2008
    Beans
    4

    Cool Re: Check CD for Defects, FAILURE!!

    Hello

    I also have a very weird CD burning problem:

    I downloaded Ubuntu Hardy Heron for the AMD64 Turion processor.

    I checked the iso checksum, the iso is definitely NOT corrupted :S

    I tried to burn the iso with Poweriso on win xp: no luck (5 CDs trashed)

    I then tried to burn it on Mac OS X with:
    > The Disk Utility
    > Toaster

    Both caused me some trouble: the CD files checksum are all correct EXCEPT:

    > filesystem.squashfs
    > initrd.gz
    > vmlinuz

    Which all give, when I checksum them from the CD:

    > Input / output error

    Now, I have tried the slowest possible burning (1x speed on Toaster, which averaged 7x speed during the actual burning)

    I have used Poweriso on an Acer Aspire 5050, and Disk Utility and Toaster on a Macbook Pro running Mac OS X Leopard.

    If I'm not sure of the former's performances, the MBP should be pretty much guaranteed... right? Never had burning problems with it...

    Oh, am using Samsung CD-R 52x CDs.

    Can anyone guide my steps? Besides preparing a USB with Ubuntu installer on it, how can I guarantee a clean CD burn from my Mac to use on the Acer?

    Thanks a bunch,
    .w.

  7. #7
    Join Date
    Mar 2007
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    Ubuntu 11.04 Natty Narwhal

    Re: Check CD for Defects, FAILURE!!

    Clean the lens in your burner (disk or compressed air)and check CD integrity before install. Are you doing md5sum on the iso before burn?

    Dr. Fernando Duran Dollenz
    Libertad 584
    6824871

  8. #8
    Join Date
    Aug 2008
    Beans
    4

    Re: Check CD for Defects, FAILURE!!

    Well, my MBP is relatively new (a couple of months old), I doubt the superdrive's lens is the problem, furthermore, the same problem hapened on 2 different computers (the Acer is a pretty old 2nd hand machine I bought to use as a server)...

    As for the integrity check, I do it on the downloaded ISO before I burn it, and it checks out to be correct.

    Then I check each file in the burnt CD against the md5 listed for every file in a txt file on the CD... All come out correct EXCEPT 3 files in folder 'Casper': filesystem.squashfs, initrd.gz and vmlinuz;

    when I check those files in the terminal, I get the "Input / output error" error as a result...

    Downloading Debian and Mandriva now to test them...

  9. #9
    Join Date
    Aug 2008
    Beans
    4

    Question Re: Check CD for Defects, FAILURE!!

    Mandriva boot CD hanged for some time; Debian etch is currently installing, no problem until now.

    Might it be a bad iso build? at least for the amd64 version?

  10. #10
    wpshooter is offline Ubuntu addict and loving it
    Join Date
    Sep 2005
    Location
    Virginia, USA
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    3,581
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Check CD for Defects, FAILURE!!

    [QUOTE=
    Might it be a bad iso build? at least for the amd64 version?[/QUOTE]

    Yes, might want to try downloading from a different source/server !!!

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