On 08/29/2017 07:07 PM, Bart Van Assche wrote: > If a pass-through request is submitted then blk_get_request() > initializes that request by calling scsi_initialize_rq(). Also > call this function for filesystem requests. Introduce > CMD_INITIALIZED to keep track of whether or not a request has > already been initialized. Bart, I applied these patches and was able to then re-apply your now reverted patch: 270065e92 - scsi-mq: Always unprepare before requeuing a request With this combination, I was still able to boot successfully on a Power system with ipr. Tested-by: Brian King <brking@xxxxxxxxxxxxxxxxxx> Thanks, Brian -- Brian King Power Linux I/O IBM Linux Technology Center