linux-kernel - Re: blk-mq: WARN at block/blk-mq.c:585 __blk_mq_run_hw

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Date:	Wed, 7 May 2014 09:45:54 -0600
From:	Jens Axboe <axboe@...com>
To:	Sasha Levin <sasha.levin@...cle.com>
CC:	LKML <linux-kernel@...r.kernel.org>, Dave Jones <davej@...hat.com>
Subject: Re: blk-mq: WARN at block/blk-mq.c:585 __blk_mq_run_hw_queue

On 05/07/2014 09:37 AM, Sasha Levin wrote:
> Hi all,
> 
> While fuzzing with trinity inside a KVM tools guest running the latest -next
> kernel I've stumbled on the following spew:
> 
> [  986.962569] WARNING: CPU: 41 PID: 41607 at block/blk-mq.c:585 __blk_mq_run_hw_queue+0x90/0x500()

I'm going to need more info than this. What were you running? How as kvm
invoked (nr cpus)?


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