Andi Kleen wrote: >> I need to look at the kprobes code in more depth to answer completely. >> But in general, there could be a problem if DRs are set to fire on any >> EIP >> > > kprobes don't use DRs Good to know. But int3 breakpoints can still cause horrific breakage in the stop_machine code. I don't know a good way to disallow it. Zach