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Thread: Do-release-upgrade from 20 to 22 fails because of /boot/efi

  1. #1
    Join Date
    Jan 2024
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    Do-release-upgrade from 20 to 22 fails because of /boot/efi

    Running 20.04 on a physical server. Was able to perform apt -y update and apt -y upgrade successfully. However, when running do-release-upgrade, I get this:

    EFI System Partition (ESP) not usable


    Your EFI System Partition (ESP) is not mounted at /boot/efi. Please
    ensure that it is properly configured and try again.

    I see an entry in /etc/fstab for /boot/efi:

    # <file system> <mount point> <type> <options> <dump> <pass>
    # / was on /dev/ubuntu-vg/ubuntu-lv during curtin installation
    /dev/disk/by-id/dm-uuid-LVM-RMSohpSQTjqNzaOwImYacuk2XqhOriWOekCoG6uyzlNquzTiPP CRBWq8PSri53In / ext4 defaults 0 1
    # /boot was on /dev/md126p2 during curtin installation
    /dev/disk/by-id/md-uuid-40b533a3:c2adde52:2f037f32:62351b0f-part2 /boot ext4 defaults 0 1
    # /boot/efi was on /dev/md126p1 during curtin installation
    /dev/disk/by-id/md-uuid-40b533a3:c2adde52:2f037f32:62351b0f-part1 /boot/efi vfat defaults 0 1

    However, it doesn't look like it actually mounts:

    root@cu-mlearn:/boot/efi# ls -a
    . ..
    root@cu-mlearn:/boot/efi#

    Ran an ls /dev/disk/by-id and don't see that UUID that is in /etc/fstab. So I'm guessing it has the wrong UUID? Maybe that's why it didn't mount? Probably wrong with that conclusion.

    Any help is appreciated. Thanks.

  2. #2
    Join Date
    Jun 2014
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    Re: Do-release-upgrade from 20 to 22 fails because of /boot/efi

    ls /dev/disk/by-id
    I don't know why the UUID would change. I just upgraded from 20.04 to 22.04 and didn't have a problem. If you run the command above or blkid, what UUID do you see for that partition, /dev/md126p1? I would make a backup of the fstab file and then change the UUID to the correct one for that partition and reboot. Or, an easier method is to just comment out the current line for the /boot/efi partition by placing a # at the beginning of the line as shown below and change the UUID to the correct one on the a new line

    # /dev/disk/by-id/md-uuid-40b533a3:c2adde52:2f037f32:62351b0f-part1 /boot/efi vfat defaults 0 1
    /dev/disk/by-id/md-uuid-insert new uuid here-part1 /boot/efi vfat defaults 0 1
    Last edited by yancek; 2 Weeks Ago at 08:42 PM.

  3. #3
    Join Date
    Jan 2024
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    Re: Do-release-upgrade from 20 to 22 fails because of /boot/efi

    This is what I get from blkid. I see a /dev/md0 but not a /dev/md126p1

    root@cu-mlearn:/home/srvcansible# blkid
    /dev/sda2: UUID="dd747c57-fafd-44c1-8f0b-29548ed314b3" TYPE="ext4" PARTUUID="64d04fdd-9cfc-49ac-ac89-de423135fdf3"
    /dev/sdb1: UUID="705C-EFD4" TYPE="vfat" PARTUUID="69485852-e536-4f4e-aefe-07473d3bae8f"
    /dev/sdb2: UUID="26e2a572-1f05-4cd6-9c2c-c1e8ad69e2ff" TYPE="ext4" PARTUUID="5f84b163-eef7-4ab0-b8ba-c5c6d0ee06e2"
    /dev/sdb3: UUID="yoqpiL-1ddL-dYsb-vHDi-TWdq-IspD-dgICo4" TYPE="LVM2_member" PARTUUID="c07427f4-14d3-4ea0-9e8b-d47bb913a551"
    /dev/sdc: UUID="dc4d3ce2-b9a4-e48b-1bbe-f9cafc458b52" UUID_SUB="528b3917-7cd6-0812-bb5d-81cf61ed02fe" LABEL="cu-mlearn:0" TYPE="linux_raid_member"
    /dev/sde: UUID="dc4d3ce2-b9a4-e48b-1bbe-f9cafc458b52" UUID_SUB="a5b5d532-bfcd-abbf-0b29-f3278362108b" LABEL="cu-mlearn:0" TYPE="linux_raid_member"
    /dev/sdd: UUID="dc4d3ce2-b9a4-e48b-1bbe-f9cafc458b52" UUID_SUB="07568abd-4a16-4f9c-a04a-b51ea6fbd41e" LABEL="cu-mlearn:0" TYPE="linux_raid_member"
    /dev/md0: UUID="bc0109fe-4ff5-42ef-9e44-9c2c7d795cb1" TYPE="ext4"
    /dev/mapper/ubuntu--vg-ubuntu--lv: UUID="1433bf2c-01cc-4960-a43b-c6d31f4ee3d5" TYPE="ext4"
    /dev/loop0: TYPE="squashfs"
    /dev/loop1: TYPE="squashfs"
    /dev/loop2: TYPE="squashfs"
    /dev/sda1: PARTUUID="3082381a-57ee-49bf-99d2-a494c9699863"
    /dev/sda3: PARTUUID="1ff0b975-e212-4cbd-8b52-915118c6f253"

  4. #4
    Join Date
    Jun 2014
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    7,466

    Re: Do-release-upgrade from 20 to 22 fails because of /boot/efi

    The only entry I see that looks like an EFI partition is sdb1 so you might try substituting that UUID or comment out the current line and repeat it below with the only change being the UUID (705C-EFD4).

    /dev/disk/by-id//705C-EFD4 /boot/efi vfat defaults 0 1
    Or you could try something like below.

    UUID=705C-EFD4 /boot/efi vfat umask=0077 0 1
    You could put both entries in fstab and just leave one uncommented to test boot then comment it out if it fails and try the second. I see you are using LVM which I don't use but I understand it requires a separate /boot partition so I don't know if that will be a problem. Is your /boot partition separate and does it mount?

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