From: ludo@gnu.org (Ludovic Courtès)
To: Alex Kost <alezost@gmail.com>
Cc: guix-devel@gnu.org
Subject: Re: Initializing a 64bit system using guix on a 32bit OS
Date: Fri, 22 May 2015 15:28:24 +0200 [thread overview]
Message-ID: <87bnhclp1j.fsf@gnu.org> (raw)
In-Reply-To: <87siappuix.fsf@gmail.com> (Alex Kost's message of "Thu, 21 May 2015 23:04:06 +0300")
Alex Kost <alezost@gmail.com> skribis:
> Hello, I have Guix installed on a 32-bit "ArchLinux", and I use the
> following command to “deploy” a 64-bit GuixSD:
>
> $ guix system init --no-grub --system=x86_64-linux my-os-config.scm /mnt/guix
>
> However, eventually it fails with the following output:
>
> ...
> downloading `/gnu/store/qf803k3npvn8632vssc4g3zp0s5klghv-modprobe' from `http://hydra.gnu.org/nar/qf803k3npvn8632vssc4g3zp0s5klghv-modprobe' (0.0 MiB installed)...
> http://hydra.gnu.org/nar/qf803k3npvn8632vssc4g3zp0s5klghv-modprobe 0.5 KiB transferredkilling process 18626
> guix system: error: build failed: a `x86_64-linux' is required to build `/gnu/store/zckxg5v0pdxb22kyl6jrzawj1wwrfjby-locale.drv', but I am a `i686-linux'
It works as long as there are substitutes available, but some
derivations are not substitutable, as you noticed, and since an i686
host cannot run x86_64 code, you get this error.
> So I'm wondering is there a way to init a 64-bit system from a 32-bit
> one or perhaps it's just not possible?
It actually is possible, but a little bit trickier. Mark did it a few
weeks ago, though in a slightly different context. The following should
work:
1. Install an i686 GuixSD, simply with ‘guix system init’, but use an
x86_64 kernel. To do that, you need to explicitly ask for an
x86_64 kernel and Guix (so that the daemon accepts to build x86_64
things) in the OS config:
(define linux-libre-x86_64
(package (inherit linux-libre)
(arguments `(#:system "x86_64-linux"
,@(package-arguments linux-libre)))))
(define guix-x86_64
(package (inherit guix)
(arguments `(#:system "x86_64-linux"
,@(package-arguments guix)))))
(define %my-services
;; Make sure the ‘guix-daemon’ services uses ‘guix-x86_64’.
(map (lambda (mservice)
(mlet %store-monad ((service mservice))
(if (memq 'guix-daemon (service-provision service))
(guix-daemon #:guix guix-x86_64)
(return service))))
%base-services))
(operating-system
;; ...
(kernel linux-libre-x86_64)
(services %my-services))
Normally you’ll get the x86_64 kernel and Guix from hydra.gnu.org,
so no problem. The rest of the user-land will still be 32-bit.
2. Boot into the new system, and from there run ‘guix system
reconfigure’ with a cleaned up OS config.
Let us know how it goes!
Ludo’.
next prev parent reply other threads:[~2015-05-22 13:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-21 20:04 Initializing a 64bit system using guix on a 32bit OS Alex Kost
2015-05-22 13:28 ` Ludovic Courtès [this message]
2015-05-22 17:31 ` Mark H Weaver
2015-05-23 9:24 ` Alex Kost
2015-05-23 14:54 ` Mark H Weaver
2015-05-23 17:53 ` Alex Kost
2015-05-24 18:46 ` Alex Kost
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