diff --git a/lib/env_ocf/ocf_env.c b/lib/env_ocf/ocf_env.c
index 409da734d..c25aec90c 100644
--- a/lib/env_ocf/ocf_env.c
+++ b/lib/env_ocf/ocf_env.c
@@ -80,6 +80,7 @@ env_allocator_create(uint32_t size, const char *name)
 			     SPDK_ENV_SOCKET_ID_ANY);
 
 	if (!allocator->mempool) {
+		SPDK_ERRLOG("mempool creation failed\n");
 		free(allocator);
 		return NULL;
 	}
diff --git a/lib/event/reactor.c b/lib/event/reactor.c
index c16437856..a840168b4 100644
--- a/lib/event/reactor.c
+++ b/lib/event/reactor.c
@@ -162,7 +162,10 @@ reactor_construct(struct spdk_reactor *reactor, uint32_t lcore)
 	reactor->thread_count = 0;
 
 	reactor->events = spdk_ring_create(SPDK_RING_TYPE_MP_SC, 65536, SPDK_ENV_SOCKET_ID_ANY);
-	assert(reactor->events != NULL);
+	if (reactor->events == NULL) {
+		SPDK_ERRLOG("Failed to allocate events ring\n");
+		assert(false);
+	}
 
 	if (spdk_interrupt_mode_is_enabled()) {
 		reactor_interrupt_init(reactor);
diff --git a/lib/thread/thread.c b/lib/thread/thread.c
index d238220b1..dd80c4d6a 100644
--- a/lib/thread/thread.c
+++ b/lib/thread/thread.c
@@ -119,6 +119,7 @@ _thread_lib_init(size_t ctx_sz)
 			     SPDK_ENV_SOCKET_ID_ANY);
 
 	if (!g_spdk_msg_mempool) {
+		SPDK_ERRLOG("spdk_msg_mempool creation failed\n");
 		return -1;
 	}