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From: Ian W MORRISON <ianwmorrison@gmail.com>
To: axboe@kernel.dk
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	kashyap.desai@broadcom.com, loberman@redhat.com, osandov@fb.com,
	hch@lst.de, bart.vanassche@wdc.com, hare@suse.de,
	ming.lei@redhat.com
Subject: Re: [PATCH] Revert "blk-mq: issue directly if hw queue isn't busy in case of 'none'"
Date: Wed, 29 Aug 2018 02:07:06 +1000	[thread overview]
Message-ID: <CAFXWsS_661mkZa1iYEs+8-O-fdFF6bEcqtZrNBzVaNthT2U46w@mail.gmail.com> (raw)
In-Reply-To: <211633e2-a812-d489-e11c-c3f271c465fc@kernel.dk>

On Wed, 29 Aug 2018 at 01:48, Jens Axboe <axboe@kernel.dk> wrote:
>
> On 8/28/18 9:47 AM, Ian W MORRISON wrote:
> > Kernel oops when booting on Bay and Cherry Trail devices
> > such as Intel Compute Stick. Bisected as:
> >
> > commit 6ce3dd6eec11 ("blk-mq: issue directly if hw queue isn't busy in case of 'none'")
> >
> > This patch reverts the above commit.
>
> Did I miss the posting of that oops? Just curious where this is
> going wrong. Not adverse to reverting, but I'd like to try to
> understand the issue first.
>
> --
> Jens Axboe
>

I've not been able to capture it however manually transcribing what is
on the screen:

mmc0: Got data interrupt 0x00000002 even though no data operation

followed by:

mmc0: sdhci: ============= SDHCI REGISTER DUMP ==============

Do you want any specific register value or should I transcribe each
(as I am working from an image taken at boot)?

  reply	other threads:[~2018-08-28 16:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-28 15:47 [PATCH] Revert "blk-mq: issue directly if hw queue isn't busy in case of 'none'" Ian W MORRISON
2018-08-28 15:48 ` Jens Axboe
2018-08-28 16:07   ` Ian W MORRISON [this message]
2018-08-28 16:09     ` Jens Axboe
     [not found]       ` <CAFXWsS82zi7w81-=4ALwMiFm9iQd=NgF3sSBLfvNdU2czEzxwg@mail.gmail.com>
2018-08-28 16:13         ` Jens Axboe
2018-08-28 17:01           ` Ian W MORRISON
2018-08-28 17:12             ` Jens Axboe
2018-08-28 19:11               ` Hunter, Adrian
2018-08-29  6:15                 ` Ulf Hansson
2018-08-29 14:01                   ` Jens Axboe
2018-08-30 12:05                     ` Ulf Hansson

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