diff --git a/testcases/kernel/sound/snd_seq01.c b/testcases/kernel/sound/snd_seq01.c
index e0f197e74..c3b4b6ac2 100644
--- a/testcases/kernel/sound/snd_seq01.c
+++ b/testcases/kernel/sound/snd_seq01.c
@@ -24,10 +24,27 @@
 #include "tst_fuzzy_sync.h"
 #include "tst_taint.h"
 
+typedef void (*racefunc_t)(void);
+
 static int fd = -1;
 static int client_id;
+static struct snd_seq_remove_events rminfo = {
+	.remove_mode = SNDRV_SEQ_REMOVE_OUTPUT
+};
+static struct snd_seq_event ssev = {
+	.flags = SNDRV_SEQ_TIME_STAMP_TICK | SNDRV_SEQ_TIME_MODE_REL,
+	.queue = 0,
+	.type = SNDRV_SEQ_EVENT_USR0,
+	.time = { .tick = 10 }
+};
+
 static struct tst_fzsync_pair fzsync_pair;
 
+static void race_ioctl(void);
+static void race_write(void);
+
+racefunc_t testfunc_list[] = {race_ioctl, race_write};
+
 static void setup(void)
 {
 	struct snd_seq_queue_info qconf = { .queue = 0 };
@@ -44,6 +61,7 @@ static void setup(void)
 
 	SAFE_IOCTL(fd, SNDRV_SEQ_IOCTL_CLIENT_ID, &client_id);
 	SAFE_IOCTL(fd, SNDRV_SEQ_IOCTL_CREATE_QUEUE, &qconf);
+	ssev.dest.client = client_id;
 
 	fzsync_pair.exec_loops = 100000;
 	tst_fzsync_pair_init(&fzsync_pair);
@@ -63,28 +81,39 @@ static void reinit_pool(int pool_size)
 		.client = client_id
 	};
 
-	SAFE_IOCTL(fd, SNDRV_SEQ_IOCTL_SET_CLIENT_POOL, &pconf);
+	ioctl(fd, SNDRV_SEQ_IOCTL_SET_CLIENT_POOL, &pconf);
+}
+
+static void race_ioctl(void)
+{
+	reinit_pool(512);
+}
+
+static void race_write(void)
+{
+	write(fd, &ssev, sizeof(ssev));
 }
 
 static void *thread_run(void *arg)
 {
 	while (tst_fzsync_run_b(&fzsync_pair)) {
 		tst_fzsync_start_race_b(&fzsync_pair);
-		reinit_pool(512);
+		reinit_pool(10);
 		tst_fzsync_end_race_b(&fzsync_pair);
 	}
 
 	return arg;
 }
 
-static void run(void)
+static void run(unsigned int n)
 {
 	tst_fzsync_pair_reset(&fzsync_pair, thread_run);
 
 	while (tst_fzsync_run_a(&fzsync_pair)) {
-		reinit_pool(1);
+		reinit_pool(5);
+		SAFE_IOCTL(fd, SNDRV_SEQ_IOCTL_REMOVE_EVENTS, &rminfo);
 		tst_fzsync_start_race_a(&fzsync_pair);
-		reinit_pool(2);
+		testfunc_list[n]();
 		tst_fzsync_end_race_a(&fzsync_pair);
 
 		if (tst_taint_check()) {
@@ -97,9 +126,11 @@ static void run(void)
 }
 
 static struct tst_test test = {
-	.test_all = run,
+	.test = run,
+	.tcnt = ARRAY_SIZE(testfunc_list),
 	.setup = setup,
 	.cleanup = cleanup,
+	.timeout = 30,
 	.tags = (const struct tst_tag[]) {
 		{"linux-git", "d15d662e89fc"},
 		{"CVE", "2018-7566"},