Could not find the root partition!

[misantroop]

Getting this on a fresh install of CatchyOS and btrfs-asssistant:

/usr/lib/python3.12/site-packages/refind_btrfs/__main__.py[691]: ERROR (refind_btrfs.state_management.conditions/conditions.py/check_filtered_block_devices): Could not find the root partition!

lsblk strangely says that root is running of a snapshot, unsure if this is normal:

└─nvme0n1p2 259:2 0 236.5G 0 part /run/BtrfsAssistant/50704c07-ccbe-451e-84fe-3bdc264993fb

[Venom1991]

It's weird, yes. What is the output of findmnt -t btrfs?

[misantroop]

TARGET       SOURCE                  FSTYPE OPTIONS
/            /dev/nvme0n1p2[/@]      btrfs  rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=256,subvol=/@
├─/srv       /dev/nvme0n1p2[/@srv]   btrfs  rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=259,subvol=/@srv
├─/root      /dev/nvme0n1p2[/@root]  btrfs  rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=258,subvol=/@root
├─/home      /dev/nvme0n1p2[/@home]  btrfs  rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=257,subvol=/@home
├─/var/cache /dev/nvme0n1p2[/@cache] btrfs  rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=260,subvol=/@cache
├─/var/log   /dev/nvme0n1p2[/@log]   btrfs  rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=262,subvol=/@log
└─/var/tmp   /dev/nvme0n1p2[/@tmp]   btrfs  rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=261,subvol=/@tmp

[Venom1991]

The problem could be the same as this one.

Provide the output of:

lsblk --json --merge --paths --output NAME,TYPE,MAJ:MIN
lsblk /dev/nvme0n1p2 --json --paths --tree --output PTUUID,PTTYPE,PARTUUID,PARTTYPE,PARTLABEL,UUID,NAME,FSTYPE,LABEL,MOUNTPOINT

and:

findmnt --json --mtab --real --nofsroot --uniq --output PARTUUID,PARTLABEL,UUID,SOURCE,FSTYPE,LABEL,TARGET,OPTIONS

[misantroop]

lsblk --json --merge --paths --output NAME,TYPE,MAJ:MIN

{
   "blockdevices": [
      {
         "name": "/dev/sda",
         "type": "disk",
         "maj:min": "8:0"
      },{
         "name": "/dev/zram0",
         "type": "disk",
         "maj:min": "254:0"
      },{
         "name": "/dev/nvme0n1",
         "type": "disk",
         "maj:min": "259:0",
         "children": [
            {
               "name": "/dev/nvme0n1p1",
               "type": "part",
               "maj:min": "259:1"
            },{
               "name": "/dev/nvme0n1p2",
               "type": "part",
               "maj:min": "259:2"
            }
         ]
      }
   ]
}

lsblk /dev/nvme0n1p2 --json --paths --tree --output PTUUID,PTTYPE,PARTUUID,PARTTYPE,PARTLABEL,UUID,NAME,FSTYPE,LABEL,MOUNTPOINT

{
   "blockdevices": [
      {
         "ptuuid": "aafce3bd-cdd0-41c4-b2e2-8edc8b5e6189",
         "pttype": "gpt",
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "parttype": "0fc63daf-8483-4772-8e79-3d69d8477de4",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "name": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "mountpoint": "/var/tmp"
      }
   ]
}

findmnt --json --mtab --real --nofsroot --uniq --output PARTUUID,PARTLABEL,UUID,SOURCE,FSTYPE,LABEL,TARGET,OPTIONS

{
   "filesystems": [
      {
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "source": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "target": "/",
         "options": "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=256,subvol=/@"
      },{
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "source": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "target": "/srv",
         "options": "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=259,subvol=/@srv"
      },{
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "source": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "target": "/root",
         "options": "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=258,subvol=/@root"
      },{
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "source": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "target": "/home",
         "options": "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=257,subvol=/@home"
      },{
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "source": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "target": "/var/cache",
         "options": "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=260,subvol=/@cache"
      },{
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "source": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "target": "/var/log",
         "options": "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=262,subvol=/@log"
      },{
         "partuuid": "1fdeee73-1ab3-4097-9287-6b6d367717d8",
         "partlabel": "root",
         "uuid": "50704c07-ccbe-451e-84fe-3bdc264993fb",
         "source": "/dev/nvme0n1p2",
         "fstype": "btrfs",
         "label": null,
         "target": "/var/tmp",
         "options": "rw,noatime,compress=zstd:3,ssd,discard=async,space_cache=v2,commit=120,subvolid=261,subvol=/@tmp"
      },{
         "partuuid": "d89275b4-cddb-4351-b3d5-82ffc8f07275",
         "partlabel": null,
         "uuid": "D992-C2E9",
         "source": "/dev/nvme0n1p1",
         "fstype": "vfat",
         "label": null,
         "target": "/boot",
         "options": "rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro"
      },{
         "partuuid": null,
         "partlabel": null,
         "uuid": null,
         "source": "portal",
         "fstype": "fuse.portal",
         "label": null,
         "target": "/run/user/1000/doc",
         "options": "rw,nosuid,nodev,relatime,user_id=1000,group_id=1000"
      }
   ]
}

[Venom1991]

Thanks, I'll have a look tomorrow.
I have to remember what the code does because it's been some time since I've looked at it. 😂

[misantroop]

Appreciate it!

[Venom1991]

Sorry, I couldn't find the time because I've been to busy with work. I'll get back to you as soon as I have a look at those outputs.

[wanqian-windrunner]

I met the same problem. But I fix it by change my efi/EFI/refind/refind.conf .
This is my original file:

menuentry "Arch Linux" {
    icon     /EFI/refind/icons/os_arch.png
    volume   "Arch Linux"
    loader   /boot/vmlinuz-linux
    initrd   /boot/initramfs-linux.img
    options  "root=PARTUUID=207784b5-3deb-4d34-8154-32cfffdead57 rw add_efi_memmap rootflags=subvol=@ initrd=\boot\amd-ucode.img"
    submenuentry "Boot using fallback initramfs" {
        initrd /boot/initramfs-linux-fallback.img
    }
    submenuentry "Boot to terminal" {
        add_options "systemd.unit=multi-user.target"
    }
}

then, I changed PARTUUID to UUID, and solves this error.

menuentry "Arch Linux" {
    icon     /EFI/refind/icons/os_arch.png
    volume   "Arch Linux"
    loader   /boot/vmlinuz-linux
    initrd   /boot/initramfs-linux.img
    options  "root=UUID=cb85fba3-6a26-4271-b6b5-b92f1ac2c8aa rw add_efi_memmap rootflags=subvol=@ initrd=\boot\amd-ucode.img"
    submenuentry "Boot using fallback initramfs" {
        initrd /boot/initramfs-linux-fallback.img
    }
    submenuentry "Boot to terminal" {
        add_options "systemd.unit=multi-user.target"
    }
#    disabled
}

But then I met another error:

Initializing the block devices using lsblk.
Initializing the physical partition table for device '/dev/zram0' using lsblk.
Initializing the live partition table for device '/dev/zram0' using findmnt.
Initializing the physical partition table for device '/dev/nvme1n1' using lsblk.
Initializing the live partition table for device '/dev/nvme1n1' using findmnt.
Initializing the physical partition table for device '/dev/nvme0n1' using lsblk.
Initializing the live partition table for device '/dev/nvme0n1' using findmnt.
Found the ESP mounted at '/boot/efi' on '/dev/nvme0n1p1'.
Found the root partition on '/dev/nvme0n1p4'.
Searching for snapshots of the '@' subvolume in the '/.snapshots' directory.
Found subvolume '@' mounted as the root partition.
Found 33 snapshots of the '@' subvolume.
Searching for the 'refind.conf' file on '/dev/nvme0n1p1'.
Analyzing the 'refind.conf' file.
Found 1 boot stanza matched with the root partition.
WARNING: Detected boot files required by the 'Arch Linux' boot stanza which are not matched with the '@' subvolume: /boot/vmlinuz-linux, /boot/amd-ucode.img, /boot/initramfs-linux.img!
ERROR (refind_btrfs.state_management.conditions/conditions.py/check_matched_boot_stanzas): None of the matched boot stanzas are usable!

I changed the value of include_paths to False based on this issue #17
Sorry for my poor English, I hope this works.