From mboxrd@z Thu Jan  1 00:00:00 1970
From: raingloom <raingloom@riseup.net>
Subject: bug#38435: BTRFS open_ctree failed
Date: Sun, 1 Dec 2019 12:02:51 +0100
Message-ID: <20191201120251.06f68c8d@riseup.net>
References: <20191130144539.218179f0@riseup.net>
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On Sat, 30 Nov 2019 15:53:11 +0100
Guillaume Le Vaillant <glv@posteo.net> wrote:

> raingloom skribis:
> 
> > This is what I get after a recent `guix system reconfigure` :
> > Scanning for Btrfs filesystems
> > [    2.342790] BTRFS error (device sda1): open_ctree failed
> >
> > Previous profiles work, I haven't modified anything about my
> > config.scm between them.
> >
> > [...]
> >
> >
> > Contents of /etc/profile.scm:
> >
> > [...]
> >
> >   (file-systems (cons* (file-system
> >                          (device (file-system-label "GUIX"))
> >                          (mount-point "/")
> > 			 (options "lazytime,compress")
> >                          (type "btrfs"))
> >                        ;(file-system
> >                        ;  (device (uuid "1234-ABCD" 'fat))
> >                        ;  (mount-point "/boot/efi")
> >                        ;  (type "vfat"))
> >                        %base-file-systems))
> >  
> 
> I just tried adding the 'lazytime' option to my root file system, and
> I got the same error as you when booting. Could you try removing it
> and see if it works?
> 
> Until recently, the options declared in 'file-system' records were
> always ignored when mounting the root file system. Now they are taken
> into consideration, and I think it reveals a bug in the way file
> systems are mounted. If some options like 'lazytime' or 'defaults'
> are declared in a 'file-system' record (root file system or not),
> mounting it fails. However some other options like 'compress' or
> 'autodefrag' work fine.
> 
> I suspect Guix adds some options by default when trying to mount file
> systems, and maybe we end up with conflicting options or doubled
> options that cause problems.
> 
> 
> 

I removed it and ran reconfigure and now it works.