[dm-devel] [PATCH 1/7] dm: Fix the second dec_pending() argument in __split_and_process_bio()

Bart Van Assche Bart.VanAssche at wdc.com
Thu Aug 10 15:02:38 UTC 2017


On Thu, 2017-08-10 at 10:28 -0400, Laurence Oberman wrote:
> The soft lockups are gone for me with 10 parallel writes.
> I also have not seen a hard lockup so far.

That's great news!

> What is important to note is that if I use the [none] scheduler I am
> still stable but I will sporadically get the      ******
> "[38071.773471] device-mapper: multipath: blk_get_request() returned
> -11 - requeuing"
> 
> However that is not unexpected I guess.

Yes, this is expected.

> For the series except PATCH2/7 and including
> 
> [PATCH] block: Make blk_mq_delay_kick_requeue_list() rerun the queue at
> a quiet time
> 
> Tested-by: Laurence Oberman <loberman at redhat.com>

Thanks for the testing!

Bart.




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