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From: Oleksandr Natalenko <oleksandr@natalenko.name>
To: Ming Lei <ming.lei@redhat.com>
Cc: linux-kernel@vger.kernel.org, Jens Axboe <axboe@fb.com>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org,
	David Jeffery <djeffery@redhat.com>,
	Laurence Oberman <loberman@redhat.com>,
	Paolo Valente <paolo.valente@linaro.org>, Jan Kara <jack@suse.cz>,
	Sasha Levin <sashal@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Keith Busch <kbusch@kernel.org>
Subject: Re: New warning in nvme_setup_discard
Date: Fri, 16 Jul 2021 14:56:22 +0200	[thread overview]
Message-ID: <1687461.6WkTYu5mUM@natalenko.name> (raw)
In-Reply-To: <YPFicCW90Jse4oms@T590>

On pátek 16. července 2021 12:41:52 CEST Ming Lei wrote:
> > Do I understand correctly that this will be something like:
> > 
> > Fixes: 2705dfb209 ("block: fix discard request merge")
> > 
> > ?
> > 
> > Because as the bisection progresses, I've bumped into this commit only.
> > Without it the issue is not reproducible, at least so far.
> 
> It could be.
> 
> So can you just test v5.14-rc1?

Doing it right now, but I've got another issue. Why BFQ is not listed here:

```
/sys/class/block/nvme0n1/queue/scheduler:[mq-deadline] kyber none
/sys/class/block/nvme1n1/queue/scheduler:[mq-deadline] kyber none
```

?

It is a built-in, FWIW:

```
$ modinfo bfq
name:           bfq
filename:       (builtin)
description:    MQ Budget Fair Queueing I/O Scheduler
license:        GPL
file:           block/bfq
author:         Paolo Valente
alias:          bfq-iosched
```

So far the issue is not reproducible with your patch + 5.13.2 as well as 5.14-
rc1 (but I don't have BFQ either with v5.14-rc1).

-- 
Oleksandr Natalenko (post-factum)



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Linux-nvme@lists.infradead.org
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WARNING: multiple messages have this Message-ID (diff)
From: Oleksandr Natalenko <oleksandr@natalenko.name>
To: Ming Lei <ming.lei@redhat.com>
Cc: linux-kernel@vger.kernel.org, Jens Axboe <axboe@fb.com>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org,
	David Jeffery <djeffery@redhat.com>,
	Laurence Oberman <loberman@redhat.com>,
	Paolo Valente <paolo.valente@linaro.org>, Jan Kara <jack@suse.cz>,
	Sasha Levin <sashal@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Keith Busch <kbusch@kernel.org>
Subject: Re: New warning in nvme_setup_discard
Date: Fri, 16 Jul 2021 14:56:22 +0200	[thread overview]
Message-ID: <1687461.6WkTYu5mUM@natalenko.name> (raw)
In-Reply-To: <YPFicCW90Jse4oms@T590>

On pátek 16. července 2021 12:41:52 CEST Ming Lei wrote:
> > Do I understand correctly that this will be something like:
> > 
> > Fixes: 2705dfb209 ("block: fix discard request merge")
> > 
> > ?
> > 
> > Because as the bisection progresses, I've bumped into this commit only.
> > Without it the issue is not reproducible, at least so far.
> 
> It could be.
> 
> So can you just test v5.14-rc1?

Doing it right now, but I've got another issue. Why BFQ is not listed here:

```
/sys/class/block/nvme0n1/queue/scheduler:[mq-deadline] kyber none
/sys/class/block/nvme1n1/queue/scheduler:[mq-deadline] kyber none
```

?

It is a built-in, FWIW:

```
$ modinfo bfq
name:           bfq
filename:       (builtin)
description:    MQ Budget Fair Queueing I/O Scheduler
license:        GPL
file:           block/bfq
author:         Paolo Valente
alias:          bfq-iosched
```

So far the issue is not reproducible with your patch + 5.13.2 as well as 5.14-
rc1 (but I don't have BFQ either with v5.14-rc1).

-- 
Oleksandr Natalenko (post-factum)



  reply	other threads:[~2021-07-16 12:56 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-15 13:56 New warning in nvme_setup_discard Oleksandr Natalenko
2021-07-15 13:56 ` Oleksandr Natalenko
2021-07-15 14:19 ` Greg Kroah-Hartman
2021-07-15 14:19   ` Greg Kroah-Hartman
2021-07-15 14:21   ` Oleksandr Natalenko
2021-07-15 14:21     ` Oleksandr Natalenko
2021-07-15 21:37   ` Laurence Oberman
2021-07-15 21:37     ` Laurence Oberman
2021-07-16  5:50     ` Oleksandr Natalenko
2021-07-16  5:50       ` Oleksandr Natalenko
2021-07-16  2:16 ` Ming Lei
2021-07-16  2:16   ` Ming Lei
2021-07-16  5:53   ` Oleksandr Natalenko
2021-07-16  5:53     ` Oleksandr Natalenko
2021-07-16  9:33     ` Ming Lei
2021-07-16  9:33       ` Ming Lei
2021-07-16 10:03       ` Oleksandr Natalenko
2021-07-16 10:03         ` Oleksandr Natalenko
2021-07-16 10:41         ` Ming Lei
2021-07-16 10:41           ` Ming Lei
2021-07-16 12:56           ` Oleksandr Natalenko [this message]
2021-07-16 12:56             ` Oleksandr Natalenko
2021-07-17  9:35             ` Ming Lei
2021-07-17  9:35               ` Ming Lei
2021-07-17 12:11               ` Oleksandr Natalenko
2021-07-17 12:11                 ` Oleksandr Natalenko
2021-07-17 12:19                 ` Oleksandr Natalenko
2021-07-17 12:19                   ` Oleksandr Natalenko
2021-07-17 12:35                   ` Oleksandr Natalenko
2021-07-17 12:35                     ` Oleksandr Natalenko
2021-07-19  1:40                     ` Ming Lei
2021-07-19  1:40                       ` Ming Lei
2021-07-19  6:27                       ` Oleksandr Natalenko
2021-07-19  6:27                         ` Oleksandr Natalenko
2021-07-20  9:05                         ` Oleksandr Natalenko
2021-07-20  9:05                           ` Oleksandr Natalenko
2021-07-21  8:00                           ` Ming Lei
2021-07-21  8:00                             ` Ming Lei
2021-07-27 15:12                             ` Oleksandr Natalenko
2021-07-27 15:12                               ` Oleksandr Natalenko
2021-07-27 15:58                               ` Ming Lei
2021-07-27 15:58                                 ` Ming Lei
2021-07-28 13:44                                 ` Oleksandr Natalenko
2021-07-28 13:44                                   ` Oleksandr Natalenko
2021-07-28 15:53                                   ` Ming Lei
2021-07-28 15:53                                     ` Ming Lei
2021-07-28 16:38                                     ` Oleksandr Natalenko
2021-07-28 16:38                                       ` Oleksandr Natalenko
2021-07-29  3:33                                       ` Ming Lei
2021-07-29  3:33                                         ` Ming Lei
2021-07-29  9:29                                         ` Ming Lei
2021-07-29  9:29                                           ` Ming Lei

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