usb drive lights up permanently (no replies)

Hi,

i made a fresh install with the Debian-4.12.1-kirkwood-tld-1-rootfs-bodhi on a ext3 USB memory drive.

all is fine after the first boot on my Dockstar
but the led from USB drive is permanently flashing, it never stops

iotop says there is no traffic

where can i see what the reason for the