Hello Guys, I'm using the following config: [global] rw=randrw numjobs=${NUMJOBS} blocksize=${BLOCKSIZE} iodepth=${IODEPTH} rwmixread=${RWMIXREAD} ioengine=${IOENGINE} direct=1 refill_buffers norandommap randrepeat=0 group_reporting filesize=5G runtime=180 time_based [RAND_VOL1] filename=${AUTOMATION_MNT_DIR1}/file After moving from 2.99 to v3.0.61 I got: DEBUG: ROUND PARAMS: job=8 ioDepth=1 blockSize=4k rwmixread=0 ioEngine=libaio ERROR: fio: engine libaio not loadable ERROR: fio: failed to load engine DEBUG: fio: file:ioengines.c:91, func=dlopen, error=libaio: cannot open shared object file: No such file or directory libaio and libaio-devel are both installed on latest , any Idea ? -- Thanks, Udi-Yehuda Tamar. -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html