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Date: Thu, 3 May 2018 04:52:06 -0700
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Sasha Levin <alexander.levin@microsoft.com>,
        Tejun Heo <tj@kernel.org>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Prateek Sood <prsood@codeaurora.org>, stable@vger.kernel.org
Subject: Re: [BUG stable v4.14.40-rc1] Kernel boot fail on Exynos5422
Message-ID: <20180503115206.GA27062@kroah.com>
References: <CAJKOXPdFNuoyf7WaqQsi57ipbHTR9yPZ-gxDBCbyH7AwkXiNFg@mail.gmail.com>
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On Thu, May 03, 2018 at 10:20:38AM +0200, Krzysztof Kozlowski wrote:
> Hi,
> 
> On stable v4.14.40-rc1, commit below breaks kernel boot on ARMv7 board
> (Odroid XU3 with Samsung Exynos5422, exynos_defconfig). The kernel
> hangs on "Starting kernel ...". Full log:
> http://www.krzk.eu/#/builders/1/builds/1897
> 
> The board boots from TFTP with NFS root (NFSv4).
> 
> commit 449a8040a3b68a58131453b8f3dcfb411e85b1f5
> Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> Date:   Mon Jan 8 14:35:52 2018 -0800
> 
>     rcu: Create RCU-specific workqueues with rescuers
> 
>     [ Upstream commit ad7c946b35ad455417fdd4bc0e17deda4011841b ]
> 

Thanks for this info, I've now dropped this patch from 4.14.y and
4.16.y.

greg k-h