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Red Hat Enterprise Linux 4.7 GA Announcement



Red Hat is pleased to announce the availability of 4.7
(kernel-2.6.9-78.EL) for the Red Hat Enterprise Linux 4
family of products including:

  - Red Hat Enterprise Linux AS 4 for x86, AMD64/Intel(r) 64,
    Itanium Processor Family, System p, S/390 and System z
  - Red Hat Enterprise Linux ES 4 for x86, AMD64/Intel(r) 64,
    and Itanium Processor Family
  - Red Hat Enterprise Linux WS 4 for x86, AMD64/Intel(r) 64,
    and Itanium Processor Family
  - Red Hat Enterprise Linux Desktop 4 for x86 and
    AMD64/Intel(r) 64


Table of Contents
-----------------

  Features
  Technology Previews
  Accessing the Software
  Installation-Related Known Issues
  Additional Information
    Documentation
    Defect Reporting
    Mailing Lists


Features
--------

This release includes the following improvements:

* Virtualization Enhancements
  - PV-on-HVM drivers to accelerate disk and network I/O for
    Red Hat Enterprise Linux 4 guests when running as
    fully-virtualized guests on Red Hat Enterprise Linux 5
    virtualization.  More information on the drivers can be
    found at:
http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/en-US/RHEL510/html/Para-Virtualized_Drivers/index.html
  - Expanded vnif number for guest domains over four
  - Added tick divider capability, which can help in keeping
    fully virtualized guest time skew to a minimum

* Encryption and Security Enhancements
  - shadow-utils, authconfig, pam, anaconda, and libuser
    now support generation of SHA-256 and SHA-512 hashes
    in order to meet government requirements
  - Added the aide (Advanced Intrusion Detection
    Environment) package to allow file system integrity
    testing

* Tuning and Debugging: systemtap
  - Production support
  - New support for unprivileged users
  - Includes reference manuals
  - Post-crash trace data recovery
    (Note: avoid overbroad probe wildcards)
  - User-space probing will not be available in RHEL4

* Tools Enhancement
  - Added JRockit JDK 1.6.0

* Networking and IPv6 Enablement
  - Added IPv6 for iSCSI
  - Added OFED 1.3
  - Improved reliability of autofs

* Storage Improvements
  - udev now supported in cciss driver
  - Added ability to vgsplit an active Volume Group where
    the split involves only inactive LVs
  - Enhanced partition statistics

* Platform Enhancements
  - Added /dev/msr[0-n] device files
  - Built PowerNow-k8 as module to allow removal
  - Added greyhound event-based profiling support
  - Added sb800 sata controller support
  - Added missing sb600 sb700 40 pin ide cable support
  - Fixed 64-bit dma issue on sb700 systems
  - Added relevant PCI device IDs to support for ICH10
  - Updated eHEA driver to latest upstream
  - Updated eHEA driver by adding poll_controller support
    to support netdump and netconsole
  - Added lro support as kernel networking module
  - Updated ipr driver to support dual SAS RAID controller
    function for new pci-e ipr adapters
  - Added SLB shadow buffer support
  - Added support for cpu freq values greater than 32-bit
    on POWER5 and POWER6
  - Extended floating point exception handler
  - Updated zfcp driver to include bugfixes
  - Updated qdio driver to fix FCP/SCSI write IO stagnates
    on LPAR
  - Updated cio driver to include bugfixes

* Kernel Improvements
  - General Features
    + Added Intel ICH10 SATA, USB, HD Audio and I2C(SMBUS)
    + Updated NMI infrastructure to latest (2.6.25)
    + Added Task IO accounting
    + Added partition statistics to 'iostat' command
    + Added IO task accounting to getrusage() call
    + Added enumeration of pagecache pages in show_mem()'s
      output
    + Removed Tux's O_ATOMICLOOKUP flag from open() system
      call
    + Exported process limits through /proc/<pid>/limits
    + Added TCP_RTO_MIN
    + Implemented udp_poll() to reduce likelihood of false
      positive return from select()
    + Added "nfs.enable_ino64" boot command line parameter
      to enable/disable 32-bit inode numbers
    + Added /proc/sys/vm/nfs-writeback-lowmem-only to fix
      NFS read performance regression
    + Added /proc/sys/vm/write-mapped tunable parameter
      to help select faster NFS read performance
    + Updated CIFS to 1.50c
    + Added core dump masking support
    + autofs5 now supported
  - Architecture Specific Support
    + x86/x86_64
      * i386: apicid now allowed to be 8-bit
      * i386: disabled irqs in core sysrq code
      * x86_64: built PowerNow-k8 as module to allow removal
      * x86_64: added /dev/msr[0-n] device files
      * lro: Built lro as module CONFIG_INET_LRO=m
      * Added greyhound event-based profiling support
      * Added sb800 sata controller support
      * Added missing sb600 sb700 40 pin ide cable support
      * Fixed 64-bit dma issue on sb700 system
      * ICH10: added relevant PCI device IDs to support
        ICH10
      * Added HDMI audio support for AMD ATI RS690/780,
        and R6xx chipset
    + PPC64
      * ehea: driver updated and synced with upstream
      * ehea: added poll_controller support to eHEA to
        support netdump and netconsole
      * ipr: dual sas raid adds support for new pci-e
        ipr adapters
      * PPC64: added SLB shadow buffer support
      * PPC: added support for cpu freq values greater
        than 32-bit on POWER5 and POWER6
      * POWER6: extended alignment exception handler to
        handle new floating point load, store instructions
  - New Driver support or Driver Updates
    + Network Driver Updates
      * Updated ixgbe driver (Intel 82598 10Gb Ethernet
        Controller)
      * Added support for bnx2x driver (bcm5710 device)
      * Updated cxgb3 driver (new Chelsio 10G Ethernet
        Controller and OFED support)
      * Updated Realtek driver to support for Realtek
        RTL8111/8168 PCI-Express NIC
      * Updated bonding driver to added MAC-based failover
        support
      * Updated aacraid driver to version 1.1.5-2455
      * Updated e1000 driver and added alternate MAC address
        support
      * Updated e1000e driver
      * Updated bnx2 driver to upstream version 1.6.9
      * Updated igb driver to upstream version 1.0.8-k2
      * Updated s2io driver to 2.0.25.1
      * Updated tg3 driver to upstream version 3.86
      * Updated forcedeth driver to upstream version 0.61
    + Storage Driver Updates
      * Updated qla4xxx driver version string to 5.01.02-d1
      * Updated qla2xxx driver to version 8.02.09-d0-rhel4.7-04
        and added IPS25xx adapters support of 8GB/s
      * Updated CCISS driver to version 3.6.20-RH1
      * Updated mptfusion driver to version 3-12-19-00
      * Updated lpfc driver to version 8.0.16.40
      * Updated megaraid_sas driver to version 3.18
      * Updated stex driver
      * Updated the arcmsr driver to version 1.20.00.15.rh
      * Updated dm-multipath to added hp handler support for
        HP active/passive array
      * Added ibm blackrock controller support to megaraid
        driver
    + Miscellaneous Driver Updates
      * Added edac_i5000 driver support for Intel 5000
        chipsets
      * Added edac_i3000 driver support for Intel 3000
        3010 chipsets
      * Added Tolapai's cpu cache info, updated i2c-i801
        driver to support Tolapai, and updated pci_ids
        to include Tolapai SATA support
      * Added i2c_piix4 module on x86_64 to support AMD
        ATI SB600 700 800
      * Updated wacom driver to added tablet support for
        cintiq 20wsx, and intuos3 4x6, 12x19 and 12x12
      * Updated sata_svw driver to support Broadcom
        HT1100 chipset
      * Updated libata to un-blacklist Hitachi drives to
        enable NCQ
      * Updated ide driver to Introduce module command
        line option to disable ide drivers
      * Updated psmouse to added support for cortps protocol

* Laptop and Desktop Enhancements
  - Added tablet support for cintiq 20wsx, intuos3 4x6,
    12x12, and 12x19
  - Upgraded to Firefox3
  - Full support for evolution28


Technology Previews
-------------------

Red Hat Enterprise Linux includes Technology Preview
features to provide wide exposure with the goal of
supporting these features in a future release.  Technology
Preview features are not supported under Red Hat Enterprise
Linux 4.7 subscription services and may not be functionally
complete.  Red Hat welcomes customer feedback and
suggestions for Technology Preview features.  Advisories
will be provided for high-severity security issues in
Technology Preview features.

The following Technology Preview features are new or
enhanced in Red Hat Enterprise Linux 4.7.  See the
Red Hat Enterprise Linux 4.7 Release Notes for more
information.

     - frysk
     - gcc4


Accessing the Software
----------------------

Red Hat Enterprise Linux 4.7 is available to existing
Red Hat Enterprise Linux subscribers via RHN.  The
channels will automatically appear in your account.
Installable binary and source ISO images are available
via Red Hat Network at:

  https://rhn.redhat.com/network/software/download_isos_full.pxt

You will be required to log in using a valid RHN account
with active entitlements.

Red Hat Enterprise Linux 4.7 errata are available at:

  https://rhn.redhat.com/


Installation-Related Known Issues
---------------------------------

The following are known installation related issues in the
release:

Bug 443795: mpirun is missing from openmpi rpms
Bug 445835: SELinux denies minilogd/ntpdate when upgrading


Additional Information
----------------------

Additional information is provided below on Documentation,
Defect Reporting, and Mailing Lists.

Enjoy the Red Hat Enterprise Linux 4.7 release.


Sincerely,

The Red Hat Enterprise Linux Team

----------------------------------------------------------------------

Documentation
-------------

Red Hat Enterprise Linux 4 Release Notes are available at:

  http://www.redhat.com/docs/manuals/enterprise/

The Release Notes are also on your Red Hat Enterprise
Linux 4 installed system in the redhat-release package.


Defect Reporting
----------------

Red Hat Enterprise Linux 4.7 customers using the Technical
Account Manager (TAM) Service should raise all issues and
questions with this release using your current Issue Tracker
account.  If you're interested in the Technical Account
Manager Service visit:

  https://www.redhat.com/support/offerings/technical.html

All other customers can raise questions and issues through
the normal Red Hat support channels.  Details can be found
at:

  https://www.redhat.com/support/process/

While defects can be reported using Red Hat's Bugzilla,
please be advised that Bugzilla is not a support tool and
thus does not offer any Service Level Agreement (SLA) for
issues reported through that channel.  Therefore, while
sufficient for defects found during testing a Beta product,
customers should *NOT* rely on Bugzilla when reporting
production issues.


Mailing Lists
-------------

Red Hat has a public mailing list for communication during
this and all future Red Hat Enterprise Linux 4 programs.

* rhelv4-announce redhat com

  A low-volume, moderated, announcement-only mailing list.
  Red Hat will use this list to communicate one-way
  information about RHEL 4 programs, such as notifications
  when releases are available or solicitations for feedback.
  Subscribe at:

  https://listman.redhat.com/mailman/listinfo/rhelv4-announce

* nahant-list redhat com

  A public general discussion mailing list for users of
  Red Hat Enterprise Linux 4 releases.  Subscribe at:

  https://www.redhat.com/mailman/listinfo/nahant-list


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