Hi, On Wed, Aug 30, 2017 at 12:58:21PM +0200, oleksandr@xxxxxxxxxxxxxx wrote: > Hi. > > So, current summary: > > 1) first patch + debug patch: I can reproduce the issue in wild, but not > with pm_test set; That is interesting, since I always test via pm_test. > 2) first patch + debug patch + second patch: I cannot reproduce issue at > all, neither with "none", nor with "mq-deadline". > > Thus, "blk-mq: align to legacy path for implementing blk_execute_rq" + > "blk-mq: add requests in the tail of hctx->dispatch" look like a proper fix. > Thanks for that! That is great, will prepare a formal one for merge. > > > I setup dm-crypt on /dev/md0 directly, could you show me how to setup > > lvm on raid10? > > If still relevant, here is a layout: Looks not relevant, just because I use pm_test. > > === > sda 8:0 0 8G 0 disk > |-sda1 8:1 0 128M 0 part /boot/EFI > `-sda2 8:2 0 7.9G 0 part > `-md0 9:0 0 7.9G 0 raid10 > `-system-root 253:0 0 7.9G 0 lvm / > sdb 8:16 0 8G 0 disk > |-sdb1 8:17 0 128M 0 part > `-sdb2 8:18 0 7.9G 0 part > `-md0 9:0 0 7.9G 0 raid10 > `-system-root 253:0 0 7.9G 0 lvm / > === > > Anything else you'd like /me to test? You have done enough, thanks a lot for your report and test! -- Ming