Index: sys/riscv/riscv/trap.c
===================================================================
--- sys/riscv/riscv/trap.c
+++ sys/riscv/riscv/trap.c
@@ -283,6 +283,9 @@
 	case EXCP_FAULT_LOAD:
 	case EXCP_FAULT_STORE:
 	case EXCP_FAULT_FETCH:
+		dump_regs(frame);
+		panic("PMP violation at 0x%016lx\n", frame->tf_sepc);
+		break;
 	case EXCP_STORE_PAGE_FAULT:
 	case EXCP_LOAD_PAGE_FAULT:
 		data_abort(frame, 0);