linux-kernel - Re: workqueue: WARN at at kernel/workqueue.c:2176

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Message-ID: <538E8462.80309@cn.fujitsu.com>
Date:	Wed, 4 Jun 2014 10:28:50 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	<jjherne@...ux.vnet.ibm.com>, Sasha Levin <sasha.levin@...cle.com>,
	Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...hat.com>, Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: workqueue: WARN at at kernel/workqueue.c:2176

On 06/03/2014 07:24 PM, Lai Jiangshan wrote:
> Hi, Jason
> 
> Could you test again after the following command has done.
> (if Peter hasn't asked you test with this command before nor he doesn't stop you now) 
> 
> echo NO_TTWU_QUEUE > /sys/kernel/debug/sched_features


Off-topic!

Why sched_features is in debugfs? I thought it is in procfs or sysfs.
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