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From: Mike Galbraith <efault@gmx.de>
To: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Paolo Valente <paolo.valente@linaro.org>,
	Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	ulf.hansson@linaro.org, broonie@kernel.org,
	linus.walleij@linaro.org, bfq-iosched@googlegroups.com,
	alban.browaeys@gmail.com, ming.lei@redhat.com, ivan@ludios.org,
	169364@studenti.unimore.it,
	Serena Ziviani <ziviani.serena@gmail.com>
Subject: Re: [PATCH BUGFIX 1/1] block, bfq: add requeue-request hook
Date: Tue, 06 Feb 2018 09:47:33 +0100	[thread overview]
Message-ID: <1517906853.9843.17.camel@gmx.de> (raw)
In-Reply-To: <34a0aa9dead3a082615899b2830f60f1@natalenko.name>

On Tue, 2018-02-06 at 09:37 +0100, Oleksandr Natalenko wrote:
> Hi.
> 
> 06.02.2018 08:56, Mike Galbraith wrote:
> > I was doing kbuilds, and it blew up on me twice.  Switching back to cfq
> > seemed to confirm it was indeed the patch causing trouble, but that's
> > by no means a certainty.
> 
> Just to note, I was using v4.15.1, not the latest git HEAD. Are you able 
> to reproduce it on the stable kernel?

I didn't even try to wedge it into 4.15.1, tested it as posted.

>  Also, assuming this issue might be 
> unrelated to the BFQ itself, did you manage to reproduce the trouble 
> with another blk-mq scheduler (not CFQ, but mq-deadline/Kyber)?

I can give another scheduler a go this afternoon.

	-Mike

  reply	other threads:[~2018-02-06  8:47 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-05 19:05 [PATCH BUGFIX 0/1] block, bfq: handle requeues of I/O requests Paolo Valente
2018-02-05 19:05 ` [PATCH BUGFIX 1/1] block, bfq: add requeue-request hook Paolo Valente
2018-02-06  4:22   ` Mike Galbraith
2018-02-06  7:44   ` Oleksandr Natalenko
2018-02-06  7:56     ` Mike Galbraith
2018-02-06  8:37       ` Oleksandr Natalenko
2018-02-06  8:47         ` Mike Galbraith [this message]
2018-02-06  9:38       ` Paolo Valente
2018-02-06 11:57         ` Mike Galbraith
2018-02-06 12:16           ` Oleksandr Natalenko
2018-02-06 13:46             ` Mike Galbraith
2018-02-06 14:07               ` Oleksandr Natalenko
2018-02-06 14:50                 ` Paolo Valente
2018-02-06 14:59                   ` Oleksandr Natalenko
2018-02-06 18:35                   ` Oleksandr Natalenko
2018-02-07  9:08                     ` Paolo Valente
2018-02-07  9:23                       ` Mike Galbraith
2018-02-07  9:45                         ` Paolo Valente
2018-02-07 10:15                           ` Mike Galbraith
2018-02-07 10:27                             ` Paolo Valente
2018-02-07 10:31                               ` Mike Galbraith
2018-02-07 11:03                               ` Mike Galbraith
2018-02-07 11:12                                 ` Paolo Valente
2018-02-07 11:22                                   ` Mike Galbraith
2018-02-07 11:27                               ` Paolo Valente
2018-02-07 15:50                                 ` Oleksandr Natalenko
2018-02-07 17:33                                   ` Paolo Valente
2018-02-06 12:26           ` Paolo Valente
2018-02-06 12:40             ` Paolo Valente
2018-02-06 12:43             ` Holger Hoffstätte
2018-02-06 13:40               ` Holger Hoffstätte
2018-02-06 14:55                 ` Paolo Valente
2018-02-06 15:34                   ` Holger Hoffstätte
2018-02-06 14:07               ` Mike Galbraith
2018-02-06 13:47             ` Mike Galbraith

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