Buildroot Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] rebuilding a project on older commits
Date: Sun, 27 Jan 2013 09:30:35 +0100	[thread overview]
Message-ID: <20130127093035.5537b93f@skate> (raw)
In-Reply-To: <51041908.1030803@googlemail.com>

Dear Carsten Schoenert,

On Sat, 26 Jan 2013 18:57:28 +0100, Carsten Schoenert wrote:

> is there a simple way to rebuild a project without the whole
> crosscompiler part?

The easiest way is to use an external toolchain. This way, your
toolchain is never rebuilt, but directly used pre-compiled.

> I have to search in my project why now the current output of Buildroot
> isn't startable via nfs. So I want to go back and try out which commit
> breaks the build, like I can do similar with git bisect in other Git
> repos. Probably the busybox here is miss configured in the between
> time because the current kernel config, which has also some little
> changes works with an older rootfs.tar.
> 
> The current kernel with an actual rootfs ended up with
> > [   10.890000] Looking up port of RPC 100003/3 on 192.168.136.4
> > [   10.910000] Looking up port of RPC 100005/3 on 192.168.136.4
> > [   10.920000] VFS: Mounted root (nfs filesystem) on device 0:12.
> > [   10.930000] Freeing init memory: 104K
> > [   10.940000] Kernel panic - not syncing: No init found.  Try
> > passing init= option to kernel. See Linux Documentation/init.txt
> > for guidance.

Does Busybox has the init applet enabled? Is /sbin/init a symbolic link
to /bin/busybox? Are the shared library loader and the C library both
available in /lib in your root filesystem?

Best regards,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply	other threads:[~2013-01-27  8:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-26 17:57 [Buildroot] rebuilding a project on older commits Carsten Schoenert
2013-01-27  8:30 ` Thomas Petazzoni [this message]
2013-01-27  9:11   ` Carsten Schoenert
2013-01-27 10:33     ` Thomas Petazzoni
2013-01-27 11:24       ` Stephan Hoffmann
2013-01-27 11:36       ` Peter Korsgaard

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=20130127093035.5537b93f@skate \
    --to=thomas.petazzoni@free-electrons.com \
    --cc=buildroot@busybox.net \
    /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