On Sat, 11 Aug 2018 19:39:56 +0200 Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> wrote: > Hi. > > On 11.08.2018 14:23, Ming Lei wrote: > > Please test for-4.19/block: > > > > https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/log/?h=for-4.19/block > > > > This slow boot issue should have been fixed by the following commits: > > > > 1311326cf475 blk-mq: avoid to synchronize rcu inside > > blk_cleanup_queue() > > 97889f9ac24f blk-mq: remove synchronize_rcu() from > > blk_mq_del_queue_tag_set() > > 5815839b3ca1 blk-mq: introduce new lock for protecting > > hctx->dispatch_wait > > 2278d69f030f blk-mq: don't pass **hctx to blk_mq_mark_tag_wait() > > 8ab6bb9ee8d0 blk-mq: cleanup blk_mq_get_driver_tag() > > Indeed, I can confirm that these commits fix the issue. > > Thanks a lot. > So do I. Thanks Ming Lei for the fix ! Cheers, -- Greg