diff --git a/kaleid/kernel/cpu/idt.c b/kaleid/kernel/cpu/idt.c
index 6264dfa..90e2936 100644
--- a/kaleid/kernel/cpu/idt.c
+++ b/kaleid/kernel/cpu/idt.c
@@ -213,6 +213,11 @@ void IsrHandler(ISRFrame_t *regs)
     if ((!regs) || (!regs->rip))
         KeStartPanic("[ISR ?] Unknown ISR Exception Abort\n");
 
+    if ((regs->intNo >= 21) && (regs->intNo <= 31))
+        return; // INTEL RESERVED
+    if (regs->intNo == 15)
+        return; // INTEL RESERVED
+
     if (regs->intNo < 32) {
         IdtExceptionHandler(regs);
         return;
@@ -225,7 +230,22 @@ void IsrHandler(ISRFrame_t *regs)
         }
     }
 
-    KeStartPanic("[ISR 0x%x] Unknown ISR Exception Abort\n", regs->intNo);
+    bprintf(BStdOut, "[ISR 0x%x] %s\n", regs->intNo, "Unknown ISR Exception");
+    /* KeStartPanic("[ISR 0x%x] Unknown ISR Exception Abort\n" */
+    /*              "  Error code : 0x%x\n" */
+    /*                  "  RIP:\t\t%p\n" */
+    /*                  "  CS:\t\t%p\n" */
+    /*                  "  RFLAGS:\t%022b\n" */
+    /*                  "  RSP:\t\t%p\n" */
+    /*                  "  SS:\t\t%p\n", */
+    /*                  regs->intNo, */
+    /*                  regs->ErrorCode, */
+    /*                  regs->rip, */
+    /*                  regs->cs, */
+    /*                  regs->rflags, */
+    /*                  regs->rsp, */
+    /*                  regs->ss */
+    /*                  ); */
 }
 
 
diff --git a/kaleid/kernel/init/init.c b/kaleid/kernel/init/init.c
index 90da5e4..55c4cfb 100644
--- a/kaleid/kernel/init/init.c
+++ b/kaleid/kernel/init/init.c
@@ -91,13 +91,13 @@ noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
     IoPrintRtcTime();
 
     KernLog("There was %d ticks\n", IoGetRtcTicks());
-    for (uint i = 1; i < 2 ; i++) {
+    for (uint i = 1; i < 200 ; i++) {
         while (IoGetRtcTicks() < i * 10000) {
         }
         IoPrintRtcTime();
     }
 
-    divideByZero();
+    //divideByZero();
 
     KernLog("Goodbye after %d ticks\n", IoGetRtcTicks());
     // End this machine's suffering