Debug a Linux Kernel in QEMU

September 15, 2021

mkinitramfs -o ../ramdisk.img 5.11.0-34-generic

qemu-system-x86_64 -kernel arch/x86_64/boot/bzImage \
    -initrd ../ramdisk.img -m 1024 -s -S \
    -append "console=ttyS0 nokaslr" -nographic

gdb vmlinux

target remote:1234

hb start_kernel

kernel linux qemu