public inbox for linux-btrfs@vger.kernel.org
 help / color / mirror / Atom feed
From: Hugo Mills <hugo@carfax.org.uk>
To: Chris Murphy <lists@colorremedies.com>
Cc: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: Can anyone boot a system using btrfs root with linux 3.14 or newer?
Date: Wed, 23 Apr 2014 23:43:03 +0100	[thread overview]
Message-ID: <20140423224303.GB2391@carfax.org.uk> (raw)
In-Reply-To: <ECBC57F1-E3A0-4423-9248-6D7C72DDF09A@colorremedies.com>

[-- Attachment #1: Type: text/plain, Size: 1006 bytes --]

On Wed, Apr 23, 2014 at 04:40:33PM -0600, Chris Murphy wrote:
> The screen shot provided makes it clear that one of the following kernel parameters is incorrect:
> 
> > root=/dev/mapper/cryptroot
> 
> > rootflags=subvol=root
> 
> So either the dmcrypt volume hasn't been opened, thus isn't available; or rootfs isn't on a subvolume named root found at the top level of the file system. So I'd say this isn't a btrfs problem, rather it's due to some earlier misconfiguration that's preventing rootfs from being mounted.

   You'll need an initrd to run cryptsetup (or whatever) to collect a
passphrase and decrypt the volume before you try to mount it. This
sounds like a case for an initrd again.

   Hugo.

-- 
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
  PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
     --- Computer Science is not about computers,  any more than ---     
                     astronomy is about telescopes.                      

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 811 bytes --]

  reply	other threads:[~2014-04-23 22:43 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-23 17:30 Can anyone boot a system using btrfs root with linux 3.14 or newer? Пламен Петров
2014-04-23 18:33 ` Swâmi Petaramesh
2014-04-23 18:54 ` Marc MERLIN
2014-04-23 19:02   ` Hugo Mills
2014-04-23 19:06   ` Пламен Петров
2014-04-23 19:15     ` Marc MERLIN
2014-04-23 19:37       ` Пламен Петров
2014-04-23 20:58         ` Marc MERLIN
2014-04-23 21:54           ` Пламен Петров
2014-04-23 22:03             ` Marc MERLIN
2014-04-23 22:20               ` Пламен Петров
2014-04-23 22:40                 ` Chris Murphy
2014-04-23 22:43                   ` Hugo Mills [this message]
2014-04-23 22:50                     ` Marc MERLIN
2014-04-23 22:53                       ` Hugo Mills
2014-04-23 22:41               ` Hugo Mills
2014-04-24 12:34           ` Chris Mason
2014-04-24 12:36             ` Chris Mason
2014-04-24 17:08               ` Пламен Петров
2014-04-24 17:19       ` Пламен Петров
2014-04-24 17:33         ` Marc MERLIN
2014-04-24 17:44           ` Пламен Петров
2014-04-24 18:51           ` Пламен Петров
2014-04-24 19:31             ` Marc MERLIN
2014-04-24 20:26               ` Пламен Петров
2014-04-24 21:47                 ` Chris Murphy
2014-04-24 21:06             ` Chris Murphy
2014-04-24 21:23               ` Пламен Петров
     [not found]               ` <000c01cf600b$b01f6cf0$105e46d0$@petrovi.no-ip.info>
2014-04-24 23:07                 ` Marc MERLIN
2014-04-25  0:04                   ` Chris Murphy
2014-04-25  0:08                     ` Chris Mason
2014-04-25  5:04                       ` Пламен Петров
2014-04-25  7:02                       ` Duncan
2014-04-25  5:03                     ` Пламен Петров
2014-04-23 19:06 ` Kai Krakow
2014-04-23 20:25   ` Calvin Walton
2014-04-23 22:34   ` Chris Murphy
2014-04-24  3:23 ` Chris Murphy
2014-04-24  6:27   ` Fajar A. Nugraha

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140423224303.GB2391@carfax.org.uk \
    --to=hugo@carfax.org.uk \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=lists@colorremedies.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox