On 03/25, Eric W. Biederman wrote: > > So looking quickly the flip side of the coin is gdb (and other > debuggers) needs a way to know these threads are special, so it can know > not to attach. may be, > I suspect getting -EPERM (or possibly a different error code) when > attempting attach is the right was to know that a thread is not > available to be debugged. may be. But I don't think we can blame gdb. The kernel changed the rules, and this broke gdb. IOW, I don't agree this is gdb bug. Oleg.
