From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable
 cgroup writeback on traditional hierarchies
Date: Tue, 29 Sep 2015 10:26:31 -0400
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Cc: Theodore Ts'o <tytso@mit.edu>, axboe@kernel.dk,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	lizefan@huawei.com, cgroups@vger.kernel.org, hannes@cmpxchg.org,
	kernel-team@fb.com, adilger.kernel@dilger.ca,
	linux-ext4@vger.kernel.org, Dexuan Cui <decui@microsoft.com>
To: Artem Bityutskiy <dedekind1@gmail.com>
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Hello, Artem.

On Tue, Sep 29, 2015 at 02:37:36PM +0300, Artem Bityutskiy wrote:
> On Sat, 2015-09-26 at 18:14 -0400, Tejun Heo wrote:
> > Hello, Artem.
> > 
> > Thanks a lot for the debug dump.  Can you please test whether the
> > below patch fixes the issue?
> 
> Hi,
> 
> I've tested this, 7 out of 7 reboots successful, so it looks like this
> patch fixes the problem.

Thanks a lot for testing.  Will soon post the split patches w/ your
tested-by.

-- 
tejun