crash when connecting to targets using nr_io_queues < num cpus

[Jens Axboe]

On 09/22/2016 09:31 PM, 'Christoph Hellwig' wrote:
> On Thu, Sep 22, 2016 at 07:01:05PM -0500, Steve Wise wrote:
>> The fabrics module displays these errors.  But the 28 rdma connections still
>> get setup.  I'm not sure this is what we want, but it does avoid failing the
>> connect altogether...
>
> Bo, it's not really what we want.  I think we simply need to move
> forward with the queue state machine, and use that to check if we have
> a blk-mq queue allocated for the queue.  If not we can simply skip it
> later on.
>
> So I'd say I'll send the crash fix in blk-mq to Jens ASAP, and you'll
> look into the queue state machine for 4.9?

I'm going to flush the remaining patches for 4.8 later today. Did you
send it out yet? If so, I haven't seen it. I'll be traveling the next 2
weeks. With internet, so I'll get some work done, but it'll be a bit
more intermittent.

--
Jens Axboe