From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kent Overstreet <kent.overstreet@gmail.com>
Subject: Re: [bcachefs-testing] BUG: unable to handle kernel paging request
 at 0000005780540006
Date: Fri, 9 Dec 2016 14:25:57 -0900
Message-ID: <20161209232557.elip24quin24awq5@kmo-pixel>
References: <b66c17f1-19d0-702f-f09e-acd6e5116587@mejor.pl>
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To: "marcin@mejor.pl" <marcin@mejor.pl>
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On Fri, Dec 09, 2016 at 11:08:05AM +0100, marcin@mejor.pl wrote:
> Hi all!
> 
> Kernel at:
> commit a3cccb56d861c0092be2b58cbaf7b44e298f59bc
> Author: Kent Overstreet <kent.overstreet@gmail.com>
> Date:   Thu Dec 8 14:41:14 2016 -0900
> 
>     bcache: increase default journal write delay for spinning rust
> 
> 
> Today I tried to use bcachefs as /home. After sometime, when I do backup
> of /home I got:
> 
> > Dec  9 10:44:09 localhost kernel: [ 3517.194588] BUG: unable to handle kernel paging request at 0000005780540006

Ok, I see what's wrong - fix is up in bcachefs-testing