Index: head/sys/riscv/riscv/trap.c
===================================================================
--- head/sys/riscv/riscv/trap.c
+++ head/sys/riscv/riscv/trap.c
@@ -282,6 +282,9 @@
 	case EXCP_FAULT_LOAD:
 	case EXCP_FAULT_STORE:
 	case EXCP_FAULT_FETCH:
+		dump_regs(frame);
+		panic("Memory access exception at 0x%016lx\n", frame->tf_sepc);
+		break;
 	case EXCP_STORE_PAGE_FAULT:
 	case EXCP_LOAD_PAGE_FAULT:
 		data_abort(frame, 0);