intel QAT icp_adf_userProcessToStart failed

nginx 1.10.3 +QAT_Engine-0.5.32 +QAT1.7 driver；run the command and here is the outputs:
[root@194 conf]# /usr/local/ssl/bin/openssl engine -t -c -vvvv qat
[error] icp_sal_userStart() - : icp_adf_userProcessToStart failed

(qat) Reference implementation of QAT crypto engine
[RSA, DSA, DH, AES-128-CBC-HMAC-SHA1, AES-128-CBC-HMAC-SHA256, AES-256-CBC-HMAC-SHA1, AES-256-CBC-HMAC-SHA256, TLS1-PRF]
[error] icp_sal_userStart() - : icp_adf_userProcessToStart failed

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ENABLE_EXTERNAL_POLLING: Enables the external polling interface to the engine.
(input flags): NO_INPUT
POLL: Polls the engine for any completed requests
(input flags): NO_INPUT
SET_INSTANCE_FOR_THREAD: Set instance to be used by this thread
(input flags): NUMERIC
GET_NUM_OP_RETRIES: Get number of retries
(input flags): NO_INPUT
SET_MAX_RETRY_COUNT: Set maximum retry count
(input flags): NUMERIC
SET_INTERNAL_POLL_INTERVAL: Set internal polling interval
(input flags): NUMERIC
GET_EXTERNAL_POLLING_FD: Returns non blocking fd for crypto engine
(input flags): NO_INPUT
ENABLE_EVENT_DRIVEN_POLLING_MODE: Set event driven polling mode
(input flags): NO_INPUT
GET_NUM_CRYPTO_INSTANCES: Get the number of crypto instances
(input flags): NO_INPUT
DISABLE_EVENT_DRIVEN_POLLING_MODE: Unset event driven polling mode
(input flags): NO_INPUT
SET_EPOLL_TIMEOUT: Set epoll_wait timeout
(input flags): NUMERIC
SET_CRYPTO_SMALL_PACKET_OFFLOAD_THRESHOLD: Set QAT small packet threshold
(input flags): STRING
ENABLE_INLINE_POLLING: Enables the inline polling mode.
(input flags): NO_INPUT