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

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Message-ID: <13d1dfff-e0dc-38a5-e2c5-87e8e1f2fb9d@gmail.com>
Date:   Thu, 19 Apr 2018 23:16:55 +0200
From:   Pavlos Parissis <pavlos.parissis@...il.com>
To:     Jan Kara <jack@...e.cz>
Cc:     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,
        Robert Kolchmeyer <rkolchmeyer@...gle.com>
Subject: Re: kernel panics with 4.14.X versions

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



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