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John Crispin 2cba297ea0 ar71xx: fix nondeterministic hangs during bootconsole/console handover
Reconfiguring the UART when the FIFO is not empty may cause the boot to
hang. This hang is extremely suspectible to timing differences; recompiling
the kernel with the same configuration, but different UTS_VERSION
timestamps can yield images that hang more or less often. Sometimes images
are produced that hang reproducibly.

This patch should also make it into one of the next linux-stable releases,
but it's better to get this fixed as soon as possible.

Fixes #21773, #21857.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

SVN-Revision: 49156
2016-04-09 10:26:37 +00:00
config build: don't add -fno-plt for ARC 2016-02-07 13:29:16 +00:00
docs build: Prevent more gzip timestamps 2015-07-14 09:57:45 +00:00
include download: add @GITHUB download facility 2016-04-09 10:25:34 +00:00
package uboot-envtools: add OpenMesh OM5P-ACv2 support 2016-04-09 10:26:28 +00:00
scripts scripts/om-fwupgradecfg-gen.sh: add support for the OM5P-AC 2016-04-09 10:25:54 +00:00
target ar71xx: fix nondeterministic hangs during bootconsole/console handover 2016-04-09 10:26:37 +00:00
toolchain toolchain/gdb: Update to 7.11 2016-03-10 19:11:41 +00:00
tools ar71xx: Add support for the OMYlink OMY-X1 2016-03-16 09:26:58 +00:00
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 2012-05-08 13:30:49 +00:00
.gitignore build: add integration for managing opkg package feed keys 2015-04-06 19:39:51 +00:00
BSDmakefile add missing copyright header 2007-02-26 01:05:09 +00:00
Config.in scripts/config: sync with linux upstream 2015-01-08 14:33:53 +00:00
feeds.conf.default feeds.conf.default: add new targets feed 2015-03-19 11:58:35 +00:00
LICENSE finally move buildroot-ng to trunk 2016-03-20 17:29:15 +01:00
Makefile Makefile: set timezone to UTC 2016-01-28 22:42:18 +00:00
README Add 'subversion' build dependency to README 2014-08-31 12:06:32 +00:00
rules.mk build: disable the use of -iremap for UML (#21851) 2016-02-13 22:23:32 +00:00

This is the buildsystem for the OpenWrt Linux distribution.

Please use "make menuconfig" to configure your appreciated
configuration for the toolchain and firmware.

You need to have installed gcc, binutils, bzip2, flex, python, perl, make,
find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers.

Run "./scripts/feeds update -a" to get all the latest package definitions
defined in feeds.conf / feeds.conf.default respectively
and "./scripts/feeds install -a" to install symlinks of all of them into
package/feeds/.

Use "make menuconfig" to configure your image.

Simply running "make" will build your firmware.
It will download all sources, build the cross-compile toolchain, 
the kernel and all choosen applications.

You can use "scripts/flashing/flash.sh" for remotely updating your embedded
system via tftp.

The OpenWrt system is documented in docs/. You will need a LaTeX distribution
and the tex4ht package to build the documentation. Type "make -C docs/" to build it.

To build your own firmware you need to have access to a Linux, BSD or MacOSX system
(case-sensitive filesystem required). Cygwin will not be supported because of
the lack of case sensitiveness in the file system.


Sunshine!
	Your OpenWrt Project
	http://openwrt.org