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    #1

    System Not Booting?

    Everything was ok until I got up this morning, then the system wouldn't boot.

    Strabgly, the live USBs wont boot either.

    The boot process gets stuck at: Flush Journal to persistent storage
    It also says: Failed to mount /home

    I have no idea what's going on or why the live usbs won't boot.
    They just hang forever
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    #2
    What boot order is setup in your BIOS?
    Using Kubuntu Linux since March 23, 2007
    "It is a capital mistake to theorize before one has data." - Sherlock Holmes​
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      #3
      Hard drive first, the system boots occasionally (like right now I just got into the system, but it freezes randomly). I usually just press F9 and I can select which USB to boot from. I choose the one I usually use, and then it just loads forever.

      When I do get in successfully, a kworker makes everything freeze, I saw it in the "top" console program.

      That and btrfs-transaction had 99% cpu usage.

      When I go to boot Kubuntu normally (and after about 4 minutes a message appears saying kworker blocked for more than 120 seconds
      Tainted P OE 5.0.0-13 #14 Ubuntu
      Last edited by PhysicistSarah; May 01, 2019, 12:39 PM.
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        #4
        Is this a Desktop or Laptop? IF a desktop, I'd open it up and check all the cables to ensure they are seated firmly; that includes the connectors on the end of the ribbon cables; they can loosen (from the ribbon) and cause loss of contact on one or more pins.
        Using Kubuntu Linux since March 23, 2007
        "It is a capital mistake to theorize before one has data." - Sherlock Holmes​
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          #5
          Originally posted by Snowhog View Post
          Is this a Desktop or Laptop? IF a desktop, I'd open it up and check all the cables to ensure they are seated firmly; that includes the connectors on the end of the ribbon cables; they can loosen (from the ribbon) and cause loss of contact on one or more pins.
          It's a laptop, but I'll do that when I get back home.

          I don't see how this causes the huge spike in cpu/disk though. Or why the live usbs cant boot.
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            #6
            Originally posted by Snowhog View Post
            Is this a Desktop or Laptop? IF a desktop, I'd open it up and check all the cables to ensure they are seated firmly; that includes the connectors on the end of the ribbon cables; they can loosen (from the ribbon) and cause loss of contact on one or more pins.
            Don't know what it was, but it wasn't hardware related. I ran a bunch of tests on the drive and memory.

            I don't know what happened, but I was able to boot from the USB's again. They just took significantly more time than usual.

            I just restored the @ subvolume and everything works fine now.

            I happy I listened to @GreyGeek and kept btrfs. What a lifesaver!

            Just swap out the old subvolume and insert the new one. Great design!
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