ubuntu-vg-root: ________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  Ubuntu 19.10
    Boot files:        /etc/fstab

ubuntu-vg-swap_1: ______________________________________________________________

    File system:       swap
    Boot sector type:  -
    Boot sector info: 

========================= "ls -R /dev/mapper/" output: =========================

/dev/mapper:
control
nvme0n1p3_crypt
ubuntu--vg-root
ubuntu--vg-swap_1

=================== lsblk:

dm-0      crypt LVM2_member 930.3G
dm-1      lvm   ext4        929.3G
dm-2      lvm   swap          976M
nvme0n1   disk              931.5G
nvme0n1p1 part  vfat          512M
nvme0n1p2 part  ext4          732M
nvme0n1p3 part  crypto_LUKS 930.3G


========================== ubuntu-vg-root/etc/fstab: ===========================

--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
/dev/mapper/ubuntu--vg-root /               ext4    errors=remount-ro 0       1
# /boot was on /dev/nvme0n1p2 during installation
UUID=56377a47-3501-4848-befa-8e8927875530 /boot           ext4    defaults        0       2
# /boot/efi was on /dev/nvme0n1p1 during installation
UUID=765C-957D  /boot/efi       vfat    umask=0077      0       1
/dev/mapper/ubuntu--vg-swap_1 none            swap    sw              0       0
--------------------------------------------------------------------------------

============== ubuntu-vg-root: Location of files loaded by Grub: ===============

           GiB - GB             File                                 Fragment(s)

   0.838733673 = 0.900583424    boot/vmlinuz                                   1
   0.838733673 = 0.900583424    boot/vmlinuz-5.3.0-19-generic                  1
   0.838733673 = 0.900583424    boot/vmlinuz.old                               1
   2.068271637 = 2.220789760    boot/initrd.img                                8
   2.068271637 = 2.220789760    boot/initrd.img-5.3.0-19-generic               8
   2.068271637 = 2.220789760    boot/initrd.img.old                            8

=============================== StdErr Messages: ===============================

File descriptor 9 (/proc/14426/mountinfo) leaked on lvs invocation. Parent PID 24061: bash
File descriptor 9 (/proc/14426/mountinfo) leaked on lvchange invocation. Parent PID 24433: bash
File descriptor 9 (/proc/14426/mountinfo) leaked on lvchange invocation. Parent PID 24433: bash

=================== blkid:
/dev/nvme0n1p1: UUID="765C-957D" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="283ab3b6-cb9e-4d7e-b8a5-c07c2e578614"
/dev/nvme0n1p2: UUID="56377a47-3501-4848-befa-8e8927875530" TYPE="ext4" PARTUUID="5a9715dc-2aeb-4acf-8bc0-e4ef0d99efeb"
/dev/nvme0n1p3: UUID="de679ef3-1fdb-4208-87a2-cf8044682625" TYPE="crypto_LUKS" PARTUUID="0c7eace5-579a-4973-9477-7b0ae20a75e3"
/dev/mapper/nvme0n1p3_crypt: UUID="Kg89On-w5Fx-4jnL-Oec4-ETW3-Ctxp-Oe2eQ6" TYPE="LVM2_member"
/dev/mapper/ubuntu--vg-root: UUID="0d4227e5-e5eb-495c-a618-ede1e9b39249" TYPE="ext4"
/dev/mapper/ubuntu--vg-swap_1: UUID="01b3761c-0e20-4124-b6bf-9e0442c81b6b" TYPE="swap"

=================== nvme0n1p2recordfail=1/grub/grubenv :
recordfail=1

=================== mapper/ubuntu--vg-root/etc/grub.d/ :
drwxr-xr-x  2 root root     4096 Nov  2 12:15 grub.d
total 128
-rwxr-xr-x 1 root root 10627 Feb  5  2019 00_header
-rwxr-xr-x 1 root root  6258 Oct 17  2018 05_debian_theme
-rwxr-xr-x 1 root root 17123 Oct 11 13:57 10_linux
-rwxr-xr-x 1 root root 37613 Oct 11 13:57 10_linux_zfs
-rwxr-xr-x 1 root root 12894 Oct 11 13:57 20_linux_xen
-rwxr-xr-x 1 root root  1992 Jan 28  2016 20_memtest86+
-rwxr-xr-x 1 root root 12059 Oct 17  2018 30_os-prober
-rwxr-xr-x 1 root root  1418 Oct 17  2018 30_uefi-firmware
-rwxr-xr-x 1 root root   214 Oct 17  2018 40_custom
-rwxr-xr-x 1 root root   216 Oct 17  2018 41_custom
-rw-r--r-- 1 root root   483 Oct 17  2018 README




=================== mapper/ubuntu--vg-root/etc/default/grub :

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=0
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"



/boot/efi detected in the fstab of mapper/ubuntu--vg-root: UUID=765C-957D   (nvme0n1p1)
/boot detected in the fstab of mapper/ubuntu--vg-root: UUID=56377a47-3501-4848-befa-8e8927875530  (nvme0n1p2)
/usr/share/boot-sav/bs-cmd_terminal.sh: line 179: warning: command substitution: ignored null byte in input