Will not proceed with blocklists

Every boot gives that error and it gets stuck just like here Showing "Press 'Ctrl'+'C'" to cancel filesystem checks in progress

. So that is why i created usb live and chose "try ubuntu" option.

I have this error Fix "press Ctrl-c to cancel the checks in progress on the filesystem" error from USB live stick

I followed here Ubuntu 20.04, every boot makes a very long filesystem check

and lots of others but in try ubuntu session ,i could not edit fstab.

I did fsck but it did not give any errors.

I suspect huge log sizes but also despite i mounted hdd, i could not see any full size parts.

What i did is:

Add fsck.mode=skip to the linux line in grub.cfg just before quiet splash

It is recommended to add the command to grub.cfg by editing /etc/default/grub thus: GRUB_CMDLINE_LINUX_DEFAULT="fsck.mode=skip quiet splash" and then run sudo update-grub.

I used this to change laptop's grub:

sudo -H gedit /etc/default/grub

and updated grub but it gave this error:

Question about mounting, 'input not supported' error and grub-probe error: failed to get canonical path of '/cow'

then i followed here:

https://askubuntu.com/a/633815/542988

but it gave that error:

grub-install: error: will not proceed with blocklists

now i am stuck

WHen i do fdisk, it shows not sda. it shows like this:

Filesystem shows /dev/nvme0n1p1 instead of /dev/sda

Device         Boot     Start       End   Sectors   Size Id Type
/dev/nvme0n1p1 2048    718847    716800   350M  7 EFI
/dev/nvme0n1p2       718848 245762047 245043200 116,9G  Linux filesystem
/dev/nvme0n1p3 245762048 878535144 632773097 301,7G  7 Linux swap
/dev/nvme0n1p4 878536702 976771071  98234370  46,9G  5 Linux filesystem
/dev/nvme0n1p5 878536704 960231423  81694720    39G 83 Linux filesystem
/dev/nvme0n1p6 960233472 976771071  16537600   7,9G 82 Linux filesystem

when i do lsblk it shows

nvme0n1 238 gb disk
-nvme0n1p1 976 mb
-nvme0n1p2 977mb
-nvme0n1p3 17 gb
-nvme0n1p4 5 gb
-nvme0n1p5 62 gb
-nvme0n1p6 151 gb

So nvme0n1 is my disk so imounted it. also nvme0n1p1 is EFI, i also mounted it but still i got error:

rub-install: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..

grub-install: error: will not proceed with blocklists

I dont know what to do. I hope i did not lose any data.

How can i be sure that fsck loop is not about huge size of logs?

My pc is laptop and brand HP 15S-FQ2045NT . There is only ubuntu 20.04.

I also did fsck for partitions. There were no errors. It was like this:

Pass 1: Checking inodes, blocks, and sizes

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
(0.2% non-contiguous), 7452718/155270656 blocks

commands:

sudo fsck -f /dev/nvme0n1p2
sudo fsck -f /dev/nvme0n1p4
 sudo fsck -f /dev/nvme0n1p5
sudo fsck -f /dev/nvme0n1p6

ls -al when i do

ls -al /boot

in recovery after pressing esc to go to that menu

WHen i click Recovery mode 5.8.0.55, it opened the menu of recovery mode. resume clean dpkg fsck grub network root ystem summary. i also chose root and edited boot cfg withk skip fsck then clicked update grub then rebooted but did not effect anything. It stucsk at logo.

/var had %100 used space. I deleted journal files in recovery mode as root following this Ask Ubuntu answer.

It became %95 and I was able to log in. I need to fix whatever is causing /var to have low space also but this login problem is fixed now. Thank you heynnema