On Wed, Aug 23, 2017 at 11:12 PM, Bart Van Assche <Bart.VanAssche@xxxxxxx> wrote: > On Wed, 2017-08-23 at 19:35 +0800, Ming Lei wrote: >> soft lockup still can be observed easily with patch d4acf3650c7c( >> block: Make blk_mq_delay_kick_requeue_list() rerun the queue at a quiet time), >> but no hard lockup. > > Hello Ming, > > I never claimed that commit d4acf3650c7c was a full solution to avoid these > soft lockups. I assume these results mean that patch series "[PATCH 0/7] > Device mapper and dm-mpath fixes" was not applied to the kernel used in your > tests? A colleague of you has reported that that patch series is sufficient OK, thanks for your clarification. I run v4.13-rc6 with block for-next, so these patches are not applied in my kernel. -- Ming Lei
