diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -432,5 +432,8 @@ void bad_page_fault(struct pt_regs *regs
 	printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",
 		regs->nip);
 
+	// to trigger kvmppc host trap!
+	BUG();
+
 	die("Kernel access of bad area", regs, sig);
 }