2 files changed, 26 insertions(+), 2 deletions(-)

M pc/trap.c
M power/devhotrod.c

@@ 242,9 242,9 @@ trap(Ureg *ur)
 	(*ivec[v])(ur);
 
 	/*
-	 *  syscall does it's own notifying
+	 *  check user since syscall does it's own notifying
 	 */
-	if(user)
+	if(user && (u->p->procctl || u->nnote))
 		notify(ur);
 }
 

@@ 336,6 336,30 @@ hotrodread(Chan *c, void *buf, long n, ulong offset)
 			}
 			if(mp->param[2] != hotsum(buf, m, mp->param[2])){
 				hp->addr->lcsr7 = 0xBEEF;
+{
+	ulong *i, j, posn, nerr, val;
+
+	i = buf;
+	posn = -1;
+	nerr = 0;
+	for(j = 0; j < n/4; j++) {
+		val = *i & 0xffff;
+		if(posn == -1)
+			posn = val+1;
+		else if(posn != val) {
+			print("error at offset %d %8lux != %8lux word=%8lux\n", 
+						j, posn, val, *i);
+			posn = -1;
+			if(++nerr > 10) {
+				print("too many\n");
+				break;
+			}
+		}
+		else
+			posn++;
+		i++;
+	}
+}
 				print("hotrod cksum err is %lux sb %lux\n",
 					hotsum(buf, m, 1), mp->param[2]);
 /*