Computer bricked after adding BADRAM and grub-upgrade

Please have a look at:

Pleas have also a look at:
https://btrfs.readthedocs.io/en/latest/Hardware.html

Btrfs collects data in RAM, which is then to be written collectively to disk. Checksums are generated and stored in RAM.

When the data is then read from disk again, the checksums are checked. If they don’t match, the file system immediately becomes READONLY (you’ll notice that quickly :wink: )

So if only 1 bit was changed → READONLY

:footprints: