From: Ming Lei <ming.lei@redhat.com>
To: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: paolo.valente@linaro.org, Ivan Kozik <ivan@ludios.org>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
bfq-iosched@googlegroups.com, Jens Axboe <axboe@kernel.dk>,
linus.walleij@linaro.org
Subject: Re: v4.15 and I/O hang with BFQ
Date: Tue, 30 Jan 2018 22:40:03 +0800 [thread overview]
Message-ID: <20180130144002.GA14401@ming.t460p> (raw)
In-Reply-To: <38bd4dbe280bd0934abde764fe0916cd@natalenko.name>
On Tue, Jan 30, 2018 at 03:30:28PM +0100, Oleksandr Natalenko wrote:
> Hi.
>
...
> systemd-udevd-271 [000] .... 4.311033: bfq_insert_requests: insert
> rq->0
> systemd-udevd-271 [000] ...1 4.311037: blk_mq_do_dispatch_sched:
> not get rq, 1
> cfdisk-408 [000] .... 13.484220: bfq_insert_requests: insert
> rq->1
> kworker/0:1H-174 [000] .... 13.484253: blk_mq_do_dispatch_sched:
> not get rq, 1
> ===
>
> Looks the same, right?
Yeah, same with before.
--
Ming
next prev parent reply other threads:[~2018-01-30 14:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-30 8:05 v4.15 and I/O hang with BFQ Oleksandr Natalenko
2018-01-30 8:19 ` Ming Lei
2018-01-30 14:30 ` Oleksandr Natalenko
2018-01-30 14:40 ` Ming Lei [this message]
2018-01-30 15:40 ` Paolo Valente
2018-02-05 19:07 ` Paolo Valente
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180130144002.GA14401@ming.t460p \
--to=ming.lei@redhat.com \
--cc=axboe@kernel.dk \
--cc=bfq-iosched@googlegroups.com \
--cc=ivan@ludios.org \
--cc=linus.walleij@linaro.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=oleksandr@natalenko.name \
--cc=paolo.valente@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox