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

From: Jens Axboe
Date: Tue Aug 28 2018 - 11:49:02 EST


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