Re: [PATCH] blk-mq: only run mapped hw queues in blk_mq_run_hw_queues()

Christian Borntraeger
2018-03-29T10:11:27Z

On 03/29/2018 11:52 AM, Ming Lei wrote:
> From the debugfs log, hctx0 is mapped to lots of CPU, so it shouldn't be
> unmapped, could you check if it is hctx0 which is unmapped when the
> warning is triggered? If not, what is the unmapped hctx? And you can do
> that by adding one extra line:
>
> printk("unmapped hctx %d", hctx->queue_num);

Where do you want that printk?
>
> Thanks,
> Ming