From: Mike Galbraith <efault@gmx.de>
To: Jens Axboe <axboe@kernel.dk>, LKML <linux-kernel@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>
Subject: Re: [regression/bisected] 4.19 cycle boot time IO stalls
Date: Wed, 05 Sep 2018 18:28:09 +0200 [thread overview]
Message-ID: <1536164889.4611.8.camel@gmx.de> (raw)
In-Reply-To: <178d6adc-2a79-99dc-daa8-fb0ed9f0afd1@kernel.dk>
On Wed, 2018-09-05 at 07:39 -0600, Jens Axboe wrote:
>
> I bet it's the host busy change from Ming, which I already
> reported as being the culprit for another test failure I had. For
> some reason it's not merged yet, nudge nudge Martin. You can test
> by reverting:
>
> commit 328728630d9f2bf14b82ca30b5e47489beefe361
> Author: Ming Lei <ming.lei@redhat.com>
> Date: Sun Jun 24 22:03:27 2018 +0800
>
> scsi: core: avoid host-wide host_busy counter for scsi_mq
>
> which was slightly modified by 265d59aacbce, so you'll want to
> yank that one first.
Bingo (woohoo, no dog slow take 2 required).
> BTW, that suse email for me hasn't worked in 12 years :-)
Yeah, I must have double tapped mouse, and picked up one of the many
ancient artifacts in Evolution's DB. Sorry about that.
-Mike
prev parent reply other threads:[~2018-09-05 16:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-05 8:55 [regression/bisected] 4.19 cycle boot time IO stalls Mike Galbraith
2018-09-05 13:39 ` Jens Axboe
2018-09-05 16:25 ` Martin K. Petersen
2018-09-05 16:30 ` James Bottomley
2018-09-05 16:31 ` Martin K. Petersen
2018-09-05 16:32 ` Linus Torvalds
2018-09-05 16:28 ` Mike Galbraith [this message]
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