diff --git a/src/mux_h2.c b/src/mux_h2.c
index 759c6a1..5457bc2 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -589,7 +589,10 @@
 	int max;
 
 	if (conn->flags & CO_FL_ERROR)
-		goto error;
+		return;
+
+	if (h2c->flags & H2_CF_DEM_BLOCK_ANY)
+		return;
 
 	buf = h2_get_dbuf(h2c);
 	if (!buf) {
@@ -600,32 +603,28 @@
 	/* note: buf->o == 0 */
 	max = buf->size - buf->i;
 	if (!max) {
-		/* FIXME: buffer full, add a flag, stop polling and wait */
-		__conn_xprt_stop_recv(conn);
+		h2c->flags |= H2_CF_DEM_DFULL;
 		return;
 	}
 
 	conn->xprt->rcv_buf(conn, buf, max);
 	if (conn->flags & CO_FL_ERROR)
-		goto error;
+		return;
 
-	if (!buf->i)
+	if (!buf->i) {
 		h2_release_dbuf(h2c);
-
-	if (buf->i == buf->size) {
-		/* buffer now full */
-		__conn_xprt_stop_recv(conn);
 		return;
 	}
 
+	if (buf->i == buf->size)
+		h2c->flags |= H2_CF_DEM_DFULL;
+
 	/* FIXME: should we try to process streams here instead of doing it in ->wake ? */
 
-	if (conn_xprt_read0_pending(conn))
-		__conn_xprt_stop_recv(conn);
+	/* after streams have been processed, we should have made some room */
+	if (buf->i != buf->size)
+		h2c->flags &= ~H2_CF_DEM_DFULL;
 	return;
-
- error:
-	__conn_xprt_stop_recv(conn);
 }
 
 /* callback called on send event by the connection handler */
@@ -636,22 +635,16 @@
 	/* FIXME: should we try to process pending streams here instead of doing it in ->wake ? */
 
 	if (conn->flags & CO_FL_ERROR)
-		goto error;
+		return;
 
 	if (conn->flags & (CO_FL_HANDSHAKE|CO_FL_WAIT_L4_CONN|CO_FL_WAIT_L6_CONN)) {
 		/* a handshake was requested */
 		return;
 	}
 
-	if (!h2c->mbuf->o) {
-		/* nothing to send */
-		goto done;
-	}
-
 	if (conn->flags & CO_FL_SOCK_WR_SH) {
 		/* output closed, nothing to send, clear the buffer to release it */
 		h2c->mbuf->o = 0;
-		goto done;
 	}
 
 	/* pending response data, we need to try to send or subscribe to
@@ -667,33 +660,39 @@
 	 * problematic for ACKs. The latter should possibly not be set
 	 * for now.
 	 */
-	conn->xprt->snd_buf(conn, h2c->mbuf, 0);
+	if (conn->xprt->snd_buf(conn, h2c->mbuf, 0) > 0)
+		h2c->flags &= ~(H2_CF_MUX_MFULL | H2_CF_DEM_MROOM);
 
 	if (conn->flags & CO_FL_ERROR)
-		goto error;
+		return;
+}
 
-	if (!h2c->mbuf->o)
-		h2_release_mbuf(h2c);
+/* call the wake up function of all streams attached to the connection */
+static void h2_wake_all_streams(struct h2c *h2c)
+{
+	struct eb32_node *node;
+	struct h2s *h2s;
+	unsigned int flags = 0;
 
-	if (h2c->mbuf->o) {
-		/* incomplete send, the snd_buf callback has already updated
-		 * the connection flags.
-		 *
-		 * FIXME: we should arm a send timeout here
-		 */
-		__conn_xprt_want_send(conn);
-		return;
-	}
+	if (h2c->st0 >= H2_CS_ERROR || h2c->conn->flags & CO_FL_ERROR)
+		flags |= CS_FL_ERROR;
 
- done:
-	/* FIXME: release the output buffer when empty or do it in ->wake() ? */
-	__conn_xprt_stop_send(conn);
-	return;
+	if (conn_xprt_read0_pending(h2c->conn))
+		flags |= CS_FL_EOS;
 
- error:
-	/* FIXME: report an error somewhere in the mux */
-	__conn_xprt_stop_send(conn);
-	return;
+	node = eb32_first(&h2c->streams_by_id);
+	while (node) {
+		h2s = container_of(node, struct h2s, by_id);
+		node = eb32_next(node);
+		if (h2s->cs) {
+			h2s->cs->flags |= flags;
+			/* recv is used to force to detect CS_FL_EOS that wake()
+			 * doesn't handle in the stream int code.
+			 */
+			h2s->cs->data_cb->recv(h2s->cs);
+			h2s->cs->data_cb->wake(h2s->cs);
+		}
+	}
 }
 
 /* callback called on any event by the connection handler.
@@ -704,9 +703,48 @@
 {
 	struct h2c *h2c = conn->mux_ctx;
 
-	if ((conn->flags & CO_FL_ERROR) && eb_is_empty(&h2c->streams_by_id)) {
-		h2_release(conn);
-		return -1;
+	if (conn->flags & CO_FL_ERROR || h2c->st0 == H2_CS_ERROR2) {
+		h2_wake_all_streams(h2c);
+
+		if (eb_is_empty(&h2c->streams_by_id)) {
+			/* no more stream, kill the connection now */
+			h2_release(conn);
+			return -1;
+		}
+		else {
+			/* some streams still there, we need to signal them all and
+			 * wait for their departure.
+			 */
+			__conn_xprt_stop_recv(conn);
+			__conn_xprt_stop_send(conn);
+			return 0;
+		}
+	}
+
+	if (!h2c->dbuf->i)
+		h2_release_dbuf(h2c);
+
+	/* stop being notified of incoming data if we can't process them */
+	if (h2c->st0 >= H2_CS_ERROR ||
+	    (h2c->flags & H2_CF_DEM_BLOCK_ANY) || conn_xprt_read0_pending(conn)) {
+		/* FIXME: we should clear a read timeout here */
+		__conn_xprt_stop_recv(conn);
+	}
+	else {
+		/* FIXME: we should (re-)arm a read timeout here */
+		__conn_xprt_want_recv(conn);
+	}
+
+	/* adjust output polling */
+	if ((h2c->st0 == H2_CS_ERROR || h2c->mbuf->o) &&
+	    !(conn->flags & CO_FL_SOCK_WR_SH)) {
+		/* FIXME: we should (re-)arm a send timeout here */
+		__conn_xprt_want_send(conn);
+	}
+	else {
+		/* FIXME: we should clear a send timeout here */
+		h2_release_mbuf(h2c);
+		__conn_xprt_stop_send(conn);
 	}
 
 	return 0;