Re: [PATCH v3] scsi: core: Fix hang of freezing queue between blocking and running device

On 8/23/21 7:59 PM, Li Jinlin wrote:

We found a hang issue, the test steps are as follows:
  1. blocking device via scsi_device_set_state()
  2. dd if=/dev/sda of=/mnt/t.log bs=1M count=10
  3. echo none > /sys/block/sda/queue/scheduler
  4. echo "running" >/sys/block/sda/device/state

Reviewed-by: Bart Van Assche <bvanassche@acm.org>