Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
In-Reply-To: <13d1dfff-e0dc-38a5-e2c5-87e8e1f2fb9d@gmail.com>
References: <20180416132550.d25jtdntdvpy55l3@bender.morinfr.org>
 <20180416144041.t2mt7ugzwqr56ka3@quack2.suse.cz> <9b11cfba-4bdc-8a3e-cd33-2f7e8d513bdf@gmail.com>
 <20180417121207.cs7eijrndovbplgz@quack2.suse.cz> <9cb08428-66ed-2306-d2f2-ae734863c68d@gmail.com>
 <20180419202302.vj2eu43hy77g5mv7@quack2.suse.cz> <13d1dfff-e0dc-38a5-e2c5-87e8e1f2fb9d@gmail.com>
From:   Robert Kolchmeyer <rkolchmeyer@google.com>
Date:   Thu, 19 Apr 2018 14:24:52 -0700
Message-ID: <CAJc0_fxN9gJ32YVtEgxB-CeByqWvJAkEaL=VBSqMsrYKq00jSQ@mail.gmail.com>
Subject: Re: kernel panics with 4.14.X versions
To:     Pavlos Parissis <pavlos.parissis@gmail.com>
Cc:     Jan Kara <jack@suse.cz>, Guillaume Morin <guillaume@morinfr.org>,
        stable@vger.kernel.org, decui@microsoft.com, jack@suse.com,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        mszeredi@redhat.com
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Apr 19, 2018 at 2:16 PM, Pavlos Parissis
<pavlos.parissis@gmail.com> wrote:
> On 19/04/2018 10:23 =CE=BC=CE=BC, Jan Kara wrote:
>> On Wed 18-04-18 10:32:21, Pavlos Parissis wrote:
>>> On 17/04/2018 02:12 =CE=BC=CE=BC, Jan Kara wrote:
>>>> On Tue 17-04-18 01:31:24, Pavlos Parissis wrote:
>>>>> On 16/04/2018 04:40 =CE=BC=CE=BC, Jan Kara wrote:
>>>>
>>>> <snip>
>>>>
>>>>>> How easily can you hit this?
>>>>>
>>>>> Very easily, I only need to wait 1-2 days for a crash to occur.
>>>>
>>>> I wouldn't call that very easily but opinions may differ :). Anyway it=
's
>>>> good (at least for debugging) that it's reproducible.
>>>>
>>>
>>> Unfortunately, I can't reproduce it, so waiting 1-2 days is the only
>>> option I have.
>>
>> Good news guys, Robert has just spotted a bug which looks like what I'd
>> expect can cause your lockups / crashes. I've merged his patch to my tre=
e
>> and will push it to Linus for -rc3 so eventually it should land in
>> appropriate stable trees as well. If you are too eager to test it out, i=
t
>> is attached for you to try.
>>
>>                                                               Honza
>>
>
> Can I apply it on top of 4.14.32?
> I am on vacation for the coming 11 days, so I can only provide feedback w=
hen I am back.
>
> Thanks a lot for your support on this issue.
>
> Cheers,
> Pavlos
>

I expect that the patch will apply cleanly to 4.14.32.

-Robert