12-09-2017, 11:21 AM
addendum:
This seem to happen to devices with jmicron controllers.
A Toshiba 500G USB3 drive works fine.
/dev/sda1:
Timing cached reads: 1636 MB in 2.00 seconds = 818.21 MB/sec
Timing buffered disk reads: 384 MB in 3.00 seconds = 127.93 MB/sec
This seem to happen to devices with jmicron controllers.
A Toshiba 500G USB3 drive works fine.
/dev/sda1:
Timing cached reads: 1636 MB in 2.00 seconds = 818.21 MB/sec
Timing buffered disk reads: 384 MB in 3.00 seconds = 127.93 MB/sec