diff --git a/bochsrc.conf b/bochsrc.conf
index 61621b0..b8ca884 100644
--- a/bochsrc.conf
+++ b/bochsrc.conf
@@ -1,5 +1,5 @@
 megs:            32
-display_library: x
+display_library: x, options="gui_debug"
 romimage:        file=/usr/share/bochs/BIOS-bochs-latest
 vgaromimage:     file=/usr/share/bochs/VGABIOS-lgpl-latest
 ata0-master:     type=cdrom, path=os.iso, status=inserted
@@ -8,4 +8,4 @@ log:             bochslog.txt
 clock:           sync=realtime, time0=local
 cpu:             count=1, ips=1000000
 com1:	         enabled=1,	mode=file, dev=COM1.out		
-display_library: x, options="gui_debug"
+magic_break:	 enabled=1
diff --git a/interrupts.c b/interrupts.c
index 813cbaf..7f8914f 100644
--- a/interrupts.c
+++ b/interrupts.c
@@ -94,7 +94,8 @@ void interrupt_handler(struct cpu_reg_state* cpu) {
 	if(cpu->int_no < 32) {
 		printf(err_msg[cpu->int_no]);
 	}
-	serial_pic_ack(cpu->int_no);
+	for(;;);
+	//serial_pic_ack(cpu->int_no);
 	return;
 }
 
diff --git a/kernel.c b/kernel.c
index ece3c2b..4621e21 100644
--- a/kernel.c
+++ b/kernel.c
@@ -6,7 +6,7 @@
 #include "gdt.h"
 
 void kinit() {
-	gdt_configure();
+	//gdt_configure();
 	init_idt();
 	test_dispatcher();
 }
@@ -14,5 +14,8 @@ void kinit() {
 
 void kmain() {
 	kinit();
+	__asm__("xchg bx, bx");
+	__asm__("xor eax, eax");
+	__asm__("div al");
 	for(;;); // the most amazing loop
 }
diff --git a/tests.c b/tests.c
index fa08f9d..99d3bae 100644
--- a/tests.c
+++ b/tests.c
@@ -3,12 +3,6 @@
 #include "tests.h"
 #include "serial.h"
 
-void divide_by_zero() {
-	// here we can test the divide by zero without gcc noticing
-	__asm__("mov eax, 0");
-	__asm__("div al");
-}
-
 void test_serial_write() {
 	char* serial1 = "0123456789abcdef0123456789abcdef";
 	serial_write(serial1, strlen(serial1));
@@ -23,6 +17,5 @@ void test_write() {
 void test_dispatcher() {
 	clear_fb();
 	test_write();
-	divide_by_zero();
 	test_write();
 }
diff --git a/tests.h b/tests.h
index eda0d5d..a5389b5 100644
--- a/tests.h
+++ b/tests.h
@@ -1,6 +1,5 @@
 #include "types.h"
 #include "stlio.h"
 
-void divide_by_zero();
 void test_write();
 void test_dispatcher();