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Thread: /dev/mapper/cryptswap1 problem

  1. #1
    Join Date
    Dec 2010
    Location
    Fukuoka, Japan
    Beans
    1,054
    Distro
    Kubuntu 14.04 Trusty Tahr

    /dev/mapper/cryptswap1 problem

    When I boot up, I get a message on the spalsh screen saying "/dev/mapper/cryptswap1 is not ready yet or not present" I can manually turn swap on, but on boot I still get the error message. Currently, my home partition is not encrypted, but it used to be...maybe thats part of the issue?? What can I do about this?

  2. #2
    Join Date
    Oct 2012
    Beans
    1

    Red face Re: /dev/mapper/cryptswap1 problem

    Im having the same issue, but Ubuntu seems to fully work without it

  3. #3
    Join Date
    Dec 2010
    Location
    Fukuoka, Japan
    Beans
    1,054
    Distro
    Kubuntu 14.04 Trusty Tahr

    Re: /dev/mapper/cryptswap1 problem

    I think I figured it out.
    First, I commented out the swap line in /etc/crypttab
    Then I used the output of "sudo blkid" to find the UUID of the swap partition.
    I made a new swap file in the partition with "sudo mkswap /dev/sdax" where x is the partition number.
    I then updated the /etc/initramfs-tools/conf.d/resume file to show the correct swap UUID.
    Updated initramfs with "sudo update-initramfs -u"
    Reboot
    No message and "free" shows a usable swap partition.

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