debug: 0.834 device: 0.778 graphic: 0.747 boot: 0.637 semantic: 0.624 PID: 0.605 socket: 0.530 network: 0.513 permissions: 0.498 files: 0.497 other: 0.485 vnc: 0.410 performance: 0.241 KVM: 0.016 tcg.c:3329: tcg fatal error I am currently building my own kernel with bootloader and qemu crashed after I have set an IDT in protected mode and then create a invalid opcode exception with the opcode 0xff. My code is here: https://github.com/Luis-Hebendanz/svm_kernel/blob/qemu_crash/svm_kernel/external/bootloader/src/main.rs#L80 Build instructions are here: https://github.com/Luis-Hebendanz/svm_kernel/tree/qemu_crash A precompiled binary is here: https://cloud.gchq.icu/s/LcjoDWRW2CbxJ5i I executed the following command: qemu-system-x86_64 -smp cores=4 -cdrom target/x86_64-os/debug/bootimage-svm_kernel.iso -serial stdio -display none -m 4G I am running QEMU emulator version 5.1.0 https://