reproduce (this is a W=1 build): git checkout 89748acdf226fd1a8775ff6fa2703f8412b286c8 b4 shazam https://lore.kernel.org/r/20250801-vmcore_hw_error-v4-1-fa1fe65edb83@debian.org # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash