tested with arpl 1.03 because all other versions not correct running and can confirm the same i will further test with tinycore and final with DSM 6 1.03b 3617 and the fastest is the oldest kernel maybe this is the case ?   System HP Gen8 Microserver I3 3240 CPU  16GB RAM 1TB SSD Volume1 4x6TB Raid 0 Volume2 ARPL 3622 https://browser.geekbench.com/v5/cpu/19571457 Linux 4.4.180+ x86_64 348 Single-Core Score 806 Multi-Core Score   ARPL 36