On Mon, Apr 09, 2018 at 09:33:08AM +0800, Joseph Qi wrote: > Hi Bart, > > On 18/4/8 22:50, Bart Van Assche wrote: > > On Sun, 2018-04-08 at 12:21 +0800, Ming Lei wrote: > >> The following kernel oops is triggered by 'removing scsi device' during > >> heavy IO. > > > > How did you trigger this oops? > > > > I can reproduce this oops by the following steps: > 1) start a fio job with buffered write; > 2) remove the scsi device fio write to: > echo "scsi remove-single-device ${dev}" > /proc/scsi/scsi Yeah, it can be reproduced easily, and I usually remove scsi device via 'echo 1 > /sys/block/sda/device/delete' Thanks, Ming