Enterprise Linux  Release Notes
(Release 4 Update 6)

Introduction
 This document covers following topics regarding Enterprise Linux 4

    * Changes from upstream release
    * New packages added
    * Kernel and Driver Updates
    * Technology Preview Features
    * Unbreakable Linux Support

Changes from Upstream Release
The following rpms are modified from the upstream RPMs. All changes are trademark and look/feel related unless otherwise noted below under the specific RPM.

    * anaconda
        Path of the Distribution changed from RedHat to Enterprise on the install CDs.
    * anaconda-help

    * anaconda-product

    * anaconda-runtime

    * apr

    * basesystem

    * booty

    * bug_budy

    * cryptsetup

    * createrepo
        Added for use with yum.

    * enterprise-release
        Replaces redhat-release rpm in the upstream product.

    * uln-yumconf
        This is the configuration file for yum.

    * firefox

    * firstboot

    * gcc

    * glade2

    * gnome-desktop

    * gnome-desktop-devel

    * gnome-libs

    * gnome-session

    * gpm

    * gstreamer

    * gstreamer_plugins

    * hicolor-icon-theme

    * hotplug

    * httpd

    * httpd-devel

    * httpd-manual

    * httpd-suexec

    * indexhtml

    * initscripts

    * kdebase

    * kdegames

    * kde-i18n

    * kdenetwork

    * kernel
        Bug fixes added by Oracle are mentioned under "Kernel and Driver Updates"

    * kudzu

    * libidn

    * librsvg2

    * libxml2

    * mod_ssl

    * seamonkey

    * seamonkey-chat

    * seamonkey-devel

    * seamonkey-dom-inspector

    * seamonkey-js-debugger

    * seamonkey-mail

    * seamonkey-nspr

    * seamonkey-nspr-devel

    * seamonkey-nss

    * seamonkey-nss-devel

    * redhat-artwork

    * redhat-lsb

    * redhat-menus

    * redhat-rpm-config

    * rhgb

    * oracle-logos
        Replaces rpm redhat-logs from upstream product.

    * rhn-applet

    * rhpl

    * rpm

    * sblim

    * sgml-common

    * sos

    * specspo

    * squirrelmail

    * subversion

    * stunnel

    * system-config-boot

    * system-config-date

    * system-config-display

    * system-config-httpd

    * system-config-keyboard

    * system-config-kickstart

    * system-config-language

    * system-config-lvm

    * system-config-mouse

    * system-config-netboot

    * system-config-network

    * system-config-nfs

    * system-config-packages

    * system-config-printer

    * system-config-rootpassword

    * system-config-samba

    * system-config-securitylevel

    * system-config-services

    * system-config-soundcard

    * system-config-users

    * system-logviewer

    * top-pegasus

    * tux

    * up2date
        Changes to support the Unbreakable Linux Network.

    * up2date-gnome

    * wireshark

    * xemacs

    * xemacs-sumo

    * xorg-x11

    * thunderbird

    * zsh


New Packages added
  Enterprise Linux  has following additional  packages

    * ocfs2
 
    * ocfs2-tools

    * oracleasm

    * oracleasm-support

    * sqlite

    * sqlite-devel

    * python-elementtree

    * python-sqlite

    * python-urlgrabber

    * yum

         
Kernel and Driver Updates

This section covers  significant changes in kernel in this release.
 Bug Fixes added by Oracle

    * fix entropy flag in bnx2 driver to generate entropy pool [ORA 5931647]

    * fix enomem due to larger mtu size page alloc [ORA 5486128]

    * fix per_cpu() api bug_on with rds [ ORA 5760648]

    * remove patch sysrq-b that queues up to keventd thread [ORA 6125546]

    * allow more than 4GB hugepage for single user [ORA 6002738]

    * netrx/netpoll race avoidance  [ORA 6143381]


Fixes and Additions in Upstream code

    * NFS nordirplus mount option

    * SB600 IDE devices

    * improved samba interoperability with Windows

    * megaraid_sas updated for PERC 6

    * qlaxxxx updates

    * lpfc updates

    * mpt fusion driver updates

    * arcmsr updates for Areca RAID controllers

    * aacraid updates for PRIMERGY RX800S2 and RX800S3

    * openib / openmpi updated to OFED

    * cciss updates for Smart Array E500

    * ibmveth updates for netdump

    * adp94xx updates for AIC94XX Razor SAS controller

    * forcedeth updates

    * s2io updates for Neterion Xframe-II adapter

    * amd74xx updates

    * dell_rbu updates

    * cxgb3 updates for Chelsio controller

    * tg3 driver updates for Broadcom 5906 and 5722 chipsets

    * bnx2 updates for 5709 hardware

    * lmsensors updates

    * IDE driver improvements

    * active-active failover using dm-multipath on EMC Clariion storage


Technology Preview Features

The following Technology Preview features are currently not supported under Enterprise Linux 4 Update 6 and may not be functionally complete.

    * Systemtap

    * Frysk GUI
         Note: frysk graphical user interface is a technology preview, whereas the frysk command line interface is fully supported.

    * gcc 4.1

    * OpenOffice 2.0

    * autofs5

These features are not suitable for production use.  However, these features are included to provide the feature with wider exposure.


Unbreakable Linux Support

Enterprise Linux offers an option to keep your operating system up to date with latest operating system patches using up2date.  To be able to use this option you need to have Unbreakable Linux Support.  For more information please visit http://linux.oracle.com

Note: Prior to using up2date, import the RPM-GPG-KEY for Enterprise Linux:

rpm --import /usr/share/doc/enterprise-release-4/RPM-GPG-KEY