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Subject: Re: kernel panics with 4.14.X versions
To: Jan Kara <jack@suse.cz>
Cc: 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,
        Robert Kolchmeyer <rkolchmeyer@google.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>
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From: Pavlos Parissis <pavlos.parissis@gmail.com>
Message-ID: <13d1dfff-e0dc-38a5-e2c5-87e8e1f2fb9d@gmail.com>
Date: Thu, 19 Apr 2018 23:16:55 +0200
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From: Pavlos Parissis <pavlos.parissis@gmail.com>
To: Jan Kara <jack@suse.cz>
Cc: 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,
 Robert Kolchmeyer <rkolchmeyer@google.com>
Message-ID: <13d1dfff-e0dc-38a5-e2c5-87e8e1f2fb9d@gmail.com>
Subject: Re: kernel panics with 4.14.X versions
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>
In-Reply-To: <20180419202302.vj2eu43hy77g5mv7@quack2.suse.cz>

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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 i=
t'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.
>=20
> 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 tr=
ee
> 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.
>=20
> 								Honza
>=20

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


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