cannot lock IST table file aa...aa. error number=bbb

An error occurred while locking an IST table file.

aa...aa: Name of the IST table file for which the error occurred

bbb: errno of the fcntl system call

S: Accesses the IST table file without locking it. If this error occurs, data may be inconsistent between the IST table file and the result of the dc_ist_read or dc_ist_write function.

O: Eliminate the cause of the error according to the error number, then re-conduct the test.