linux-kernel - Re: kernel panics with 4.14.X versions

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Message-ID: <CAJc0_fxN9gJ32YVtEgxB-CeByqWvJAkEaL=VBSqMsrYKq00jSQ@mail.gmail.com>
Date:   Thu, 19 Apr 2018 14:24:52 -0700
From:   Robert Kolchmeyer <rkolchmeyer@...gle.com>
To:     Pavlos Parissis <pavlos.parissis@...il.com>
Cc:     Jan Kara <jack@...e.cz>, Guillaume Morin <guillaume@...infr.org>,
        stable@...r.kernel.org, decui@...rosoft.com, jack@...e.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        mszeredi@...hat.com
Subject: Re: kernel panics with 4.14.X versions

On Thu, Apr 19, 2018 at 2:16 PM, Pavlos Parissis
<pavlos.parissis@...il.com> wrote:
> On 19/04/2018 10:23 μμ, Jan Kara wrote:
>> On Wed 18-04-18 10:32:21, Pavlos Parissis wrote:
>>> On 17/04/2018 02:12 μμ, Jan Kara wrote:
>>>> On Tue 17-04-18 01:31:24, Pavlos Parissis wrote:
>>>>> On 16/04/2018 04:40 μμ, 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 tree
>> 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, it
>> 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 when 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