Recovery Manjaro on luks partitions

manjaro-luks-update-grub

$ sudo su
# pamac install manjaro-tools-base 
# lsblk -o PATH,PTTYPE,PARTTYPE,FSTYPE,PARTTYPENAME 
PATH               PTTYPE PARTTYPE                             FSTYPE      PARTTYPENAME
/dev/nvme0n1       gpt                                                     
/dev/nvme0n1p1     gpt    e3c9e316-0b5c-4db8-817d-f92df00215ae             Microsoft reserved
/dev/nvme0n1p2     gpt    ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 ntfs        Microsoft basic data
/dev/nvme0n1p3     gpt    c12a7328-f81f-11d2-ba4b-00a0c93ec93b vfat        EFI System
/dev/nvme0n1p4     gpt    0657fd6d-a4ab-43c4-84e5-0933c84b4f4f swap        Linux swap
/dev/nvme0n1p5     gpt    0fc63daf-8483-4772-8e79-3d69d8477de4 crypto_LUKS Linux filesystem
# cryptsetup luksOpen /dev/nvme0n1p5 luks_root
Enter passphrase for /dev/nvme0n1p5: 
# vgchange -ay
# lvscan
# mount /dev/mapper/luks_root /mnt
# mkdir -p /mnt/boot/efi
# mount /dev/nvme0n1p3 /mnt/boot/efi
# manjaro-chroot /mnt /bin/bash 
# mount -t efivarfs efivarfs /sys/firmware/efi/efivars
mount: /sys/firmware/efi/efivars: efivarfs already mounted on /sys/firmware/efi/efivars.
       dmesg(1) may have more information after failed mount system call.
# grub-install /dev/nvme0n1p5
Installing for x86_64-efi platform.
Installation finished. No error reported.
# update-grub
Generating grub configuration file ...
Found theme: /usr/share/grub/themes/manjaro/theme.txt
Found linux image: /boot/vmlinuz-5.15-x86_64
Found initrd image: /boot/amd-ucode.img /boot/initramfs-5.15-x86_64.img
Found initrd fallback image: /boot/initramfs-5.15-x86_64-fallback.img
Warning: os-prober will be executed to detect other bootable partitions.
Its output will be used to detect bootable binaries on them and create new boot entries.
ERROR: mkdir /var/lock/dmraid
Adding boot menu entry for UEFI Firmware Settings ...
Root filesystem isn't btrfs
If you think an error has occurred, please file a bug report at "https://github.com/Antynea/grub-btrfs"
Found memtest86+ image: /boot/memtest86+/memtest.bin
done
# ls /sys/firmware/efi 
config_table  efivars  esrt  fw_platform_size  fw_vendor  runtime  runtime-map  systab
# exit
# vgchange -an
# umount /dev/nvme0n1p3
# umount /dev/mapper/luks_root
# cryptsetup luksClose luks_root
# exit