linux-kernel - Re: sched: spinlock recursion in migrate_swap

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Message-ID: <20140520110431.GX2485@laptop.programming.kicks-ass.net>
Date:	Tue, 20 May 2014 13:04:31 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	Ingo Molnar <mingo@...nel.org>, Mel Gorman <mgorman@...e.de>,
	Rik van Riel <riel@...hat.com>,
	Dave Jones <davej@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: sched: spinlock recursion in migrate_swap_stop

On Mon, May 19, 2014 at 10:05:31PM -0400, Sasha Levin wrote:
> ping? It seems to be easy enough to reproduce on -next, I'd be happy to try
> debug patches/fixes.

Does this fuzzing you do also include hotplug? If so, does disabling
that make this problem go away?
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