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Trent Piepho 71c75a5ea0 system: Fix for NFS booting with interface config via DHCP
Configuring the network interface with DHCP via
/etc/network/interfaces generally does not work when NFS booting.  The
DHCP configuration will initially bring the interface down and system
then hangs at that point as the root filesystem is no longer
accessable.

This adds a script to be run via a pre-up line in
/etc/network/interfaces.  It checks for a NFS root filesystem and if
the interface to be configured is used for access to the NFS server.
If this is the case, then it returns a failure code so that ifup will
not configure the interface.  This works for DHCP and another config
methods (static, bootp, etc.).  This system does detect if the
interface to be configured isn't the one used for NFS and doesn't skip
it when that is the case.

NFS filesystems that aren't the root fs aren't considered.

Fixes bug #4790.

Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-11-18 22:14:56 +01:00
arch
board board: readme.txt for Intel Galileo Gen 1/2 2015-11-18 21:55:38 +01:00
boot
configs board: add support for Intel Galileo Gen 2 2015-11-17 23:24:32 +01:00
docs
fs
linux
package system: Fix for NFS booting with interface config via DHCP 2015-11-18 22:14:56 +01:00
support
system readline: install configuration file from package recipe 2015-11-17 22:19:15 +01:00
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CHANGES
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README

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at http://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

Buildroot comes with a basic configuration for a number of boards. Run
'make list-defconfigs' to view the list of provided configurations.

Please feed suggestions, bug reports, insults, and bribes back to the
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