On Wed, Jul 3, 2019 at 12:36 AM Ming Lei <ming.lei@xxxxxxxxxx> wrote: > > BTW, 'rotational' shouldn't be set for USB drive, except for USB HDD, > but that shouldn't be related with your issue. I get /sys/block/sdb/queue/rotational:1 for all USB flash drives on all computers with every kernel since forever, including 5.2rc7. Lexar, Samsung, Kingston. -- Chris Murphy