--- /dev/null
+#!/bin/sh
+# Modified version of tridge's backtrace script.
+# we want everything on stderr, so the program is not disturbed
+exec 1>&2
+
+PID=$1
+TMPFILE=$prefix/backtrace.$$
+cat << EOF > $TMPFILE
+set height 0
+up 8
+bt full
+quit
+EOF
+gdb -x $TMPFILE $prefix/sbin/smbd $PID
+/bin/rm -f $TMPFILE