From: Pavel Machek <pavel@ucw.cz>
To: skitching@apache.org
Cc: jkt@gentoo.org, linux-kernel@vger.kernel.org
Subject: Re: boot device order troubleshooting without an initrd
Date: Tue, 20 Apr 2010 07:17:16 +0200 [thread overview]
Message-ID: <20100420051716.GB2075@ucw.cz> (raw)
In-Reply-To: <1271672423.005324.28333.nullmailer@xnet.co.nz>
On Mon 2010-04-19 22:20:23, skitching@apache.org wrote:
> As it happens, I've been looking into this issue recently.
> [Warning: kernel newbie speaking!]
>
> Without an initrd, the options for the root= kernel parameters are only those supported in init/do_mount.c:
> 1. root=MAJOR:MINOR
> 2. root=integer where integer is MAJOR<<n + minor
> 3 root=/dev/xxx
> (well, apart fron "mtd" and "ubi" options).
And nfs?
> Unfortunately, all of these options are sensitive to hardware changes, ie device enumeration order. So I
> think that right now the answer to your question is: no, you can't get what you want without an initrd.
>
> And I doubt that changes to the linux device-enumeration code "to be consistent with the BIOS" would be accepted.
>
If it is clean enough... why not?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
prev parent reply other threads:[~2010-04-20 5:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-18 22:29 Jan Kundrát
2010-04-18 23:51 ` Arjan van de Ven
2010-04-19 8:43 ` Mike Waychison
2010-04-19 9:19 ` Jan Kundrát
2010-04-20 1:31 ` Robert Hancock
2010-04-19 10:20 ` skitching
2010-04-20 5:17 ` Pavel Machek [this message]
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=20100420051716.GB2075@ucw.cz \
--to=pavel@ucw.cz \
--cc=jkt@gentoo.org \
--cc=linux-kernel@vger.kernel.org \
--cc=skitching@apache.org \
/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
all inboxes | Powered by JetHome®