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Thread: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

  1. #1
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    Exclamation 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

    sdacrypt prompt won't even load on 6.11,
    but if I revert back to 6.8.0-35-generic I'm fine

    Tried three different kernels:

    * linux-image-generic which installs 6.8.0-48

    Installed via the ubuntu-mainline-kernel.sh script on git:

    * 6.11.0-061100-generic (unsigned)

    * 6.10.2-061002-generic (unsigned)

    --

    Btw I get a frozen "loading ubuntu linux 6.11...." with standard boot, but if I choose recovery mode I get an error like

    /dev/mapper/ubuntu--vg-root does not exist.

    Apologies I should've included my previous post:
    https://ubuntuforums.org/showthread.php?t=2501912

    All x-site posted on /r/linux4noobs (I left reddit when they stopped being open source, but it seems a lot of the community has scattered about there's some over there? Ubuntu forums was pretty helpful in 2011-2013 for me! ):
    https://old.reddit.com/r/linux4noobs...n_on_611_full/
    Last edited by ubupro97; 2 Weeks Ago at 08:01 PM. Reason: added error message

  2. #2
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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

    bump

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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

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  7. #7
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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

    Did this problem start occurring with the newest kernel?

    /dev/mapper/ubuntu--vg-root does not exist.
    Does it exist? Have you checked the output of sudo fdisk -l OR sudo parted -l and have you checked the /boot/grub/grub.cfg file to see what it shows? Was your LVM with encryption working on an earlier version of Ubuntu?

  8. #8
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    Post Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

    Hi yes it boots fine on 6.8.0-35

    /boot/grub/grub.cfg does show some modifiications, namely some that I added trying to get ROCM to work correctly (and had forgotten about), which are all the same for all the installed kernels


    Code:
    linux   /vmlinuz-6.8.0-35-generic root=/dev/mapper/vgubuntu--mate-root ro  quiet splash radeon.cik_support=0 radeon.si_support=0 amdgp 
    u.cik_support=1 amdgpu.si_support=1 $vt_handoff
    
    vs

    Code:
    linux   /vmlinuz-6.11.0-061100-generic root=/dev/mapper/vgubuntu--mate-root ro  quiet splash radeon.cik_support=0 radeon.si_support=0 amdgpu.c
    ik_support=1 amdgpu.si_support=1 $vt_handoff
    
    Everything disc related, the UUIDs disk options are the same.


    #fdisk -l

    Code:
    Disk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
    Disk model: Samsung SSD 860 
    Units: sectors of 1 * 512 = 512 bytes 
    Sector size (logical/physical): 512 bytes / 512 bytes 
    I/O size (minimum/optimal): 512 bytes / 512 bytes 
    Disklabel type: gpt 
    Disk identifier: 8476D1F5-C544-4EFF-9AB1-D0DCE24B26DE 
    
    Device      Start       End   Sectors  SizeType
    /dev/sda1     2048    1050623    1048576   512M EFI System 
    /dev/sda2  1050624    2549759    1499136   732M Linux filesystem 
    /dev/sda3  2549760 1953523711 1950973952 930.3G Linux filesystem
    
    ## Logical volumes seem fine (from live 6.8.0-35-generic
    ) :
    Disk /dev/mapper/sda3_crypt: 930.28 GiB, 998881886208 bytes, 1950941184 sectors
    Disk /dev/mapper/vgubuntu--mate-root: 929.32 GiB, 997854281728 bytes, 1948934144 sectors
    Disk /dev/mapper/vgubuntu--mate-swap_1: 976 MiB, 1023410176 bytes, 1998848 sectors
    #parted -l

    $ ## has one discrepency:

    Code:
    Error: /dev/mapper/sda3_crypt: unrecognised disk label 
    Model: Linux device-mapper (crypt) (dm) 
    Disk /dev/mapper/sda3_crypt: 999GB 
    Sector size (logical/physical): 512B/512B 
    Partition Table: unknown 
    Disk Flags
    
    Last edited by deadflowr; 2 Weeks Ago at 08:36 PM. Reason: fixed code tags

  9. #9
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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

    Bump

  10. #10
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    Re: 24.04.1 can't load root partition on 6.11 - full disk encryption (lvm)

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