Hi Bart, On Mon, Aug 22, 2022 at 6:05 AM Bart Van Assche <bvanassche@xxxxxxx> wrote: > > Hi Martin, > > Since a device, target or host reference may be held when scsi_remove_host() > or scsi_remove_target() is called and since te patch series "Call > blk_mq_free_tag_set() earlier" makes these functions wait until all references > are gone, that patch series may trigger a deadlock. Hence this request to > revert the patch series "Call blk_mq_free_tag_set() earlier". Care to share the deadlock details? Such as dmesg log or theory behind. Thanks, Ming