linux-kernel - Re: [OOPS] BUG_ON in cgroups on 4.4.0-rc5-next

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Message-ID: <20151221215618.GB25997@mtj.duckdns.org>
Date:	Mon, 21 Dec 2015 16:56:18 -0500
From:	"tj@...nel.org" <tj@...nel.org>
To:	"Alex Ng (LIS)" <alexng@...rosoft.com>
Cc:	"lizefan@...wei.com" <lizefan@...wei.com>,
	"hannes@...xchg.org" <hannes@...xchg.org>,
	"cgroups@...r.kernel.org" <cgroups@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [OOPS] BUG_ON in cgroups on 4.4.0-rc5-next

Hello, Alex.

On Fri, Dec 18, 2015 at 08:08:03PM +0000, Alex Ng (LIS) wrote:
> Hi,
> 
> I was running a "git clone" of the linux-next source tree and hit the following BUG_ON condition. My box is running kernel 4.4.0-rc5-next-20151217-52.27. Any ideas on how to pin down the cause?
> 
> The trace indicates that the following condition in compare_css_sets() triggered the oops:

Can you please let me know the steps to reproduce the bug?

Thanks.

-- 
tejun
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