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: 8+ 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
2018-01-30 15:40 ` Paolo Valente
2018-02-05 19:07 ` 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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.