Hello Jens, The three patches in this patch series fix the queue lockup I reported a few days ago on the linux-block mailing list. Please consider these patches for kernel v4.11. Thanks, Bart. Bart Van Assche (3): blk-mq: Introduce blk_mq_ops.restart_queues scsi: Add scsi_restart_queues() scsi: Ensure that scsi_run_queue() runs all hardware queues block/blk-mq-sched.c | 11 +++-------- block/blk-mq-sched.h | 14 -------------- drivers/scsi/scsi_lib.c | 20 +++++++++++++++++--- include/linux/blk-mq.h | 4 ++++ include/linux/blkdev.h | 1 - 5 files changed, 24 insertions(+), 26 deletions(-) -- 2.12.0