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Thread: Can not install 12.04.3 LTS -- unable to find a medium containing a live filesystem

  1. #1
    Join Date
    Nov 2005
    Beans
    31

    Can not install 12.04.3 LTS -- unable to find a medium containing a live filesystem

    1. From some forum searches, I noted the closed thread http://ubuntuforums.org/showthread.p...ive+filesystem , but nothing there helps.

    2. When trying to boot into a live image of 12.04.3, I get this message ( "unable to find a medium containing a live filesystem") and the boot sequence stops.

    a. Image on a DVD.

    I have both a DVD read/write drive and a CD-ROM drive. This is the first time I've tried to boot a live image from a DVD rather than a CD-ROM. I've gone into the BIOS and tried every order of boot sequence.

    dmesg indicates that it finds the two drives (/dev/sr0 and /dev/sr1). The error message is from initramfs and says it can not find a live image.


    b. Image on a USB key.

    I created the image using my current install (10.04) "Startup Disk Creator".

    In the boot-up process it dumps out again into busy box with the same error message (unable to find a medium containing a live filesystem).

    I was able to figure out that the image is on /dev/sdb1 and was able to mount that. However, I can not figure out how to continue the boot-up process or get it to realize that the image is there.

    c. When 12.04 first came out and fit on a CD ROM, I was able to boot that. However, I didn't install it at the time.

    3. Additional Information:

    The image I'm using is ubuntu-12.04.3-desktop-i386.iso . I verified the MD5 hash.


    Any help/pointers?
    Last edited by KenF; September 23rd, 2013 at 07:48 PM. Reason: Additional information (point 3).

  2. #2
    Join Date
    Aug 2009
    Location
    Charleston, SC (USA)
    Beans
    Hidden!
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Can not install 12.04.3 LTS -- unable to find a medium containing a live filesyst

    You may want to try Unetbootin to create your USB key. That might create the key properly.

    However, you mentioned on point "C" that you burned a CD intitially and it worked just fine. You can download the original 12.04 release from the link below.

    Ubuntu 12.04 LTS

    Hope that helps!
    ~Caboose
    "When our actions do not, our fears do make us traitors." -- Shakespeare
    "Unless someone like you cares a whole awful lot, nothing is going to get better. It's not!" -- Dr. Seuss


  3. #3
    Join Date
    Nov 2005
    Beans
    31

    Re: Can not install 12.04.3 LTS -- unable to find a medium containing a live filesyst

    1. Regarding the USB key.

    a. I tried using unetbootin. Same thing.

    b. I found out a bit more about what's going wrong with the USB key. I don't have a solution, but it has to do with slow setup of the /dev area. Either the key is somehow too slow or udevd is acting odd.

    -- When it first drops into busybox with the error message, I should note that an "ls /dev/sd*" does *not* show /dev/sdb.

    -- casper.log show's it is trying to read the live filesystem from /dev/sdc, /dev/sdd, ... but not /dev/sdb

    -- After a minute, /dev/sdb shows up. After another 30 seconds /dev/sdb1 shows up. This can be mounted, etc.

    -- After a few more minutes there is a (repeated) error message to the console:

    udevd[235]: timeout: killing "/sbin/blkid -o udev -p /dev/sdb" [ ]


    -- After all of this occurs, I'm fairly certain I could continue the boot/load process. However, I'm not sure what to do. I tried "./init 0" ... which progressed for a while. It mounted /root and such ... but died out somehow without establishing a path for /bin, etc.

    2. I was able to write the 12.04.0 release to a CD. It worked fine.

    Thanks!!!

    KenF


    Thanks,

    Ken

  4. #4
    Join Date
    Mar 2012
    Beans
    5

    Re: Can not install 12.04.3 LTS -- unable to find a medium containing a live filesyst

    I had the same exact problem, and I created the USB key using both the startup disk creator and the universal USB installer. 12.04.2 works, but 12.04.3 does not.

  5. #5
    Join Date
    Nov 2013
    Beans
    1

    Re: Can not install 12.04.3 LTS -- unable to find a medium containing a live filesyst

    It turns out it would be related with USB stick type.

    I used a 4G USB stick, it didn't work for a few ways I tried.

    When I used an old 1G USB stick, it worked just fine.

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