OK, your disk is corrupt, which is also not a software bug sorry :(
Reinstalling Ubuntu (and wiping the old disk contents) might fix it. If reinstalling does not fix it then you may need to replace the SSD.
OK, your disk is corrupt, which is also not a software bug sorry :(
Reinstalling Ubuntu (and wiping the old disk contents) might fix it. If reinstalling does not fix it then you may need to replace the SSD.