Not entirely true - e.g. if your stack is hosed, etc, things could be affected Also, much of kernel debugging involves poking at core images, which wouldn't b

Not entirely true - e.g. if your stack is hosed, etc, things could be affected Also, much of kernel debugging involves poking at core images, which wouldn't be coherent with the kernel binary. That said, I'm fairly certain I recall reading that the logic saves your previous kernel for such a case, and otherwise someone could make scripts to save more copies if needed. Others have pointed out reconstructing kernels for debug purposes.