On Wed, Jul 09, 2014 at 01:51:40PM +0100, Tony Finch wrote: > I liberally sprinkle extra isc_log_write() calls when I am trying to work > out what is going on inside named :-) I just use fprintf(). Less syntax. :) In this case I'd probably attach to gdb, put in a breakpoint for the function I was interested in, and 'n' through until it returned. eh