Yes, x86 kernel-mode debuggers support hardware breakpoints that cause the attached debugger (running on a separate machine, of course) to break not just when a

Yes, x86 kernel-mode debuggers support hardware breakpoints that cause the attached debugger (running on a separate machine, of course) to break not just when a specific address/instruction is executed, but also whenever some address is written to (and also possibly read-from too, I think?)