diff --git a/src/generator.c b/src/generator.c
index 03bc9fd9..96eac99e 100644
--- a/src/generator.c
+++ b/src/generator.c
@@ -1289,6 +1289,8 @@ retry:
 		break;
 	}
 	if (!alive) {
+		send_proc(ckp->stratifier, "dropall");
+		send_proc(ckp->connector, "reject");
 		if (!ckp->chosen_server) {
 			LOGWARNING("Failed to connect to any servers as proxy, retrying in 5s!");
 			sleep(5);
diff --git a/src/libckpool.c b/src/libckpool.c
index ea45487d..e4f9bd3b 100644
--- a/src/libckpool.c
+++ b/src/libckpool.c
@@ -1536,6 +1536,10 @@ void decay_time(double *f, double fadd, double fsecs, double interval)
 	ftotal = 1.0 + fprop;
 	*f += (fadd / fsecs * fprop);
 	*f /= ftotal;
+	/* Sanity check to prevent meaningless super small numbers that
+	 * eventually underflow libjansson's real number interpretation. */
+	if (unlikely(*f < 2E-16))
+		*f = 0;
 }
 
 /* Convert a double value into a truncated string for displaying with its
diff --git a/src/stratifier.c b/src/stratifier.c
index e122f5e6..387d3a19 100644
--- a/src/stratifier.c
+++ b/src/stratifier.c
@@ -1090,6 +1090,8 @@ retry:
 			LOGDEBUG("Stratifier failed to parse dropclient command: %s", buf);
 		else
 			drop_client(client_id);
+	} else if (cmdmatch(buf, "dropall")) {
+		drop_allclients(ckp);
 	} else if (cmdmatch(buf, "block")) {
 		block_solve(ckp);
 	} else if (cmdmatch(buf, "loglevel")) {