From: "Holger Hoffstätte" <holger@applied-asynchrony.com>
To: linux-kernel@vger.kernel.org
Cc: linux-block@vger.kernel.org
Subject: Re: [PATCH IMPROVEMENT] block, bfq: limit sectors served with interactive weight raising
Date: Sun, 7 Jan 2018 18:09:47 +0000 (UTC) [thread overview]
Message-ID: <pan$52e56$32054c2c$65485942$f649b0c5@applied-asynchrony.com> (raw)
In-Reply-To: <5a9c6573-84a6-ae7b-7058-f202c7187065@applied-asynchrony.com>
On Thu, 28 Dec 2017 15:00:56 +0100, Holger Hoffstätte wrote:
> On 12/28/17 12:19, Paolo Valente wrote:
> (snip half a tech report ;)
>
> So either this or the previous patch ("limit tags for writes and async I/O"
> can lead to a hard, unrecoverable hang with heavy writes. Since I couldn't
> log into the affected system anymore I couldn't get any stack traces, blk-mq
> debug output etc. but there was nothing in dmesg/on the console, so it
> wasn't a BUG/OOPS.
So this turned out to be something else, sorry for the false alarm.
-h
next prev parent reply other threads:[~2018-01-07 18:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-28 11:19 Paolo Valente
2017-12-28 14:00 ` Holger Hoffstätte
2018-01-07 18:09 ` Holger Hoffstätte [this message]
2018-01-12 5:58 ` Paolo Valente
2018-01-12 10:15 ` Holger Hoffstätte
2018-01-12 10:20 ` Paolo Valente
2018-01-12 15:13 ` Jens Axboe
2017-12-29 14:10 ` Oleksandr Natalenko
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='pan$52e56$32054c2c$65485942$f649b0c5@applied-asynchrony.com' \
--to=holger@applied-asynchrony.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.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
Powered by JetHome