> So, in short, seg faults *come*from* the kernel, so of course the kernel
> knows when a program segfaults.

Actually, segmentation faults come from the processor (more specifically,
the memory management unit).  The kernel processes the hardware exception
and converts it into a signal to be sent to the offending process. 

It is possible for the kernel itself to segfault; this causes a kernel
panic.

Kelly


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