From: Ming Lei <ming.lei@redhat.com>
To: oleksandr@natalenko.name
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
linux-block@vger.kernel.org, linux-raid@vger.kernel.org,
linux-kernel@vger.kernel.org, Shaohua Li <shli@kernel.org>
Subject: Re: I/O hangs after resuming from suspend-to-ram
Date: Wed, 30 Aug 2017 22:37:58 +0800 [thread overview]
Message-ID: <20170830143752.GA14684@ming.t460p> (raw)
In-Reply-To: <ae216831876b8b71ebc1590a44731db7@natalenko.name>
Hi,
On Wed, Aug 30, 2017 at 12:58:21PM +0200, oleksandr@natalenko.name 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
prev parent reply other threads:[~2017-08-30 14:38 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-22 11:45 I/O hangs after resuming from suspend-to-ram Oleksandr Natalenko
2017-08-26 10:37 ` Oleksandr Natalenko
2017-08-26 10:48 ` Oleksandr Natalenko
2017-08-26 11:19 ` Martin Steigerwald
2017-08-26 17:17 ` Wols Lists
2017-08-26 19:33 ` Martin Steigerwald
2017-08-26 13:32 ` Oleksandr Natalenko
2017-08-27 6:02 ` Ming Lei
2017-08-27 7:43 ` Oleksandr Natalenko
2017-08-28 12:58 ` Ming Lei
2017-08-28 13:10 ` Martin Steigerwald
2017-08-28 13:32 ` Ming Lei
2017-09-20 17:25 ` Martin Steigerwald
2017-09-20 22:17 ` Ming Lei
2017-09-24 17:33 ` Martin Steigerwald
2017-09-25 2:59 ` Ming Lei
2017-09-25 14:13 ` Martin Steigerwald
2017-09-20 22:20 ` Ming Lei
2017-09-21 7:30 ` Martin Steigerwald
2017-09-21 7:33 ` Martin Steigerwald
2017-08-28 18:22 ` Oleksandr Natalenko
2017-08-29 0:24 ` Ming Lei
2017-08-29 15:52 ` Oleksandr Natalenko
2017-08-30 2:15 ` Ming Lei
2017-08-30 5:17 ` Ming Lei
2017-08-30 6:15 ` oleksandr
2017-08-30 8:06 ` Ming Lei
2017-08-30 10:58 ` oleksandr
2017-08-30 14:37 ` Ming Lei [this message]
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