root@ubuntu-mate:/# apt update
Segmentation fault (core dumped)
root@ubuntu-mate:/# python3
Illegal instruction (core dumped)
root@ubuntu-mate:/# ptrace
Illegal instruction (core dumped)
root@ubuntu-mate:/# gcc
Illegal instruction (core dumped)
root@ubuntu-mate:/# debsums
Illegal instruction (core dumped)

Illegal instruction (core dumped)

Illegal instruction (core dumped)

Inconsistency detected by ld.so: ../sysdeps/x86_64/dl-machine.h: 540:
elf_machine_rela_relative: Assertion `ELFW(R_TYPE) (reloc->r_info) ==
R_X86_64_RELATIVE' failed!

fsck