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SubjectRe: [PATCH] Revert "blk-mq: issue directly if hw queue isn't busy in case of 'none'"
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)?

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