A problem exists in the cciss driver that can lead to an oops when the hpacucli tool is run. cciss provides an ioctl to re-query the controller's logical drive configuration. This mimics the code in cciss_init_one (called at init time) except that it omits a call to blk_queue_softirq_done, leaving the queue partially initialized. This then triggers an oops in elv_next_r...