diff --git a/exportfs/exportfs.c b/exportfs/exportfs.c
index 8dfefeb..f3f1630 100644
--- a/exportfs/exportfs.c
+++ b/exportfs/exportfs.c
@@ -28,7 +28,7 @@ exportfs(int fd, int msgsz)
 {
 	char buf[ERRMAX], ebuf[ERRMAX];
 	Fsrpc *r;
-	int n;
+	int i, n;
 	char *dbfile, *srv, *file;
 	ulong initial;
 
@@ -85,11 +85,21 @@ exportfs(int fd, int msgsz)
 		DEBUG(DFD, "read9p...");
 		n = read9pmsg(netfd, r->buf, messagesize);
 		if(n <= 0)
-			fatal(nil);
+			fatal("eof: n=%d %r", n);
 
-		if(convM2S(r->buf, n, &r->work) == 0)
+		if(convM2S(r->buf, n, &r->work) == 0){
+			iprint("convM2S %d byte message\n", n);
+			for(i=0; i<n; i++){
+				iprint(" %.2ux", r->buf[i]);
+				if(i%16 == 15)
+					iprint("\n");
+			}
+			if(i%16)
+				iprint("\n");
 			fatal("convM2S format error");
+		}
 
+//iprint("<- %F\n", &r->work);
 		DEBUG(DFD, "%F\n", &r->work);
 		(fcalls[r->work.type])(r);
 	}
@@ -110,6 +120,7 @@ reply(Fcall *r, Fcall *t, char *err)
 	else 
 		t->type = r->type + 1;
 
+//iprint("-> %F\n", t);
 	DEBUG(DFD, "\t%F\n", t);
 
 	data = malloc(messagesize);	/* not mallocz; no need to clear */
@@ -117,7 +128,7 @@ reply(Fcall *r, Fcall *t, char *err)
 		fatal(Enomem);
 	n = convS2M(t, data, messagesize);
 	if((m=write(netfd, data, n))!=n){
-		fprint(2, "wrote %d got %d (%r)\n", n, m);
+		iprint("wrote %d got %d (%r)\n", n, m);
 		fatal("write");
 	}
 	free(data);
diff --git a/kern/devcons.c b/kern/devcons.c
index d60d100..322c5a1 100644
--- a/kern/devcons.c
+++ b/kern/devcons.c
@@ -147,33 +147,6 @@ putstrn0(char *str, int n, int usewrite)
 			qiwrite(kprintoq, str, n);
 	}else if(screenputs != nil)
 		screenputs(str, n);
-
-	if(serialoq == nil){
-		uartputs(str, n);
-		return;
-	}
-
-	while(n > 0) {
-		t = memchr(str, '\n', n);
-		if(t && !kbd.raw) {
-			m = t-str;
-			if(usewrite){
-				qwrite(serialoq, str, m);
-				qwrite(serialoq, "\r\n", 2);
-			} else {
-				qiwrite(serialoq, str, m);
-				qiwrite(serialoq, "\r\n", 2);
-			}
-			n -= m+1;
-			str = t+1;
-		} else {
-			if(usewrite)
-				qwrite(serialoq, str, n);
-			else
-				qiwrite(serialoq, str, n);
-			break;
-		}
-	}
 }
 
 void