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Red Hat Enterprise Linux 4.7 Beta Announcement




Red Hat is pleased to announce the availability of the
*beta* release of 4.7 (kernel-2.6.9-70.EL) for the Red Hat
Enterprise Linux 4 family of products including:

  - Red Hat Enterprise Linux 4 Advanced Platform for x86,
    AMD64/Intel(r) 64, Itanium Processor Family, System p
    and System z
  - Red Hat Enterprise Linux 4 Server for x86,
    AMD64/Intel(r) 64, Itanium Processor Family, System p
    and System z
  - Red Hat Enterprise Linux 4 Desktop for x86 and
    AMD64/Intel(r)

Red Hat Enterprise Linux 4.7 is in development and
therefore the contents of the beta media kit, the
implemented features, and the supported configurations are
subject to change before the release of the final product.
The supplied beta packages and CD and DVD images are
intended for testing purposes only.  Remember that this
early access software is not supported and is not intended
for production environments.  Benchmark and performance
results cannot be published based on this beta release
without explicit approval from Red Hat.

The beta testing period is scheduled to continue through
July 10, 2008.


Features
--------

This beta release includes the following improvements:

* Virtualization Enhancements
  - Added xen disk and network para-virtualized,
    pv-on-hvm drivers
  - Expanded vnif number for guest domains over four
  - Added tick divider capability

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

* Encryption and Security Enhancements
  - shadow-utils, authconfig, pam, anaconda, and libuser
    now support generation of SHA-256 and SHA-512 hashes
  - 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 is not and will not be available in RHEL4

* Tools Enhancement
  - Added JRockit 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
  - 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 great than 32-bit on
    power5/6
  - 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 tunnable parameter
      to help select faster NFS read performance
    + Updated CIFS to 1.50c
    + Added core dump masking support
  - 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
      * x86_64: added /dev/msr[0-n] device files
      * lro: Build 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 systems
      * ICH10: added relevant PCI device IDs to support
        ICH10
    + 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 great
        than 32-bit on power5/6
      * 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 add MAC based failover
        support
      * Updated aacraid driver to version 1.1.5-2455
      * Updated e1000 driver and add alternate mac address
        support
      * Updated e1000e to latest upstream
      * 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 vadd ISP25xx adapters
        support for 8GB/s
      * Updated CCISS driver to 3.6.20-RH1
      * Updated mptfusion 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 add hp handler support for
        HP active/passive array
    + 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 add 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 add support for cortps protocol


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

Technology Preview features are included in Red Hat
Enterprise Linux to provide the features with wide
exposure with the goal of supporting these features in a
future release of Red Hat Enterprise Linux.  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 Previews.  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 beta.  See the
Red Hat Enterprise Linux 4.7 Release Notes for more
information.

    - frysk
    - gcc4


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

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

Thank you for participating in the Red Hat Enterprise
Linux 4.7 beta program.

Sincerely,

The Red Hat Enterprise Linux Team

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


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

Release notes for this beta are available on the Red Hat
Enterprise Linux 4 site 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.


Bug Reporting
-------------

Red Hat Enterprise Linux 4.7 Beta testers who have
assigned Technical Account Managers (TAMs) should report
all bugs with this beta release using your current
Issue Tracker account.

All other beta users should report bugs using Red Hat's
Bugzilla.  To report and query for bugs in this Beta
release, you need a Bugzilla account with access to the
"Red Hat Enterprise Linux 4" product.

To report a bug via Bugzilla:

1. Login to the Bugzilla home page at:

     http://bugzilla.redhat.com

   If you don't have an existing account, simply create
   one at:

     https://bugzilla.redhat.com/bugzilla/createaccount.cgi

2. On the Bugzilla home page, click on
   "Enter a new bug report".

3. Choose Product "Red Hat Enterprise Linux 4".

4. Choose Version "4.7".

5. Choose the component against which you wish to report a
   problem, such as kernel, glibc, etc.  If you do not know
   the component or want to file a bug against the general
   product, choose "distribution" as the component.

6. Choose the platform, such as: "All", "x86_64", etc.

7. Provide the information about the problem you're
   reporting by entering information in the appropriate
   fields.  In the Summary field, provide a clear and
   descriptive abstract of the issue.  In the Description
   field, provide the full package versions of any
   components you are experiencing problems using.

8. Check to make sure that all information is accurate and
   click the "Commit" button to submit your problem report.


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

Red Hat has a public mailing list for communication during
this and all future Red Hat Enterprise Linux 4 beta
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 beta programs, such
    as notifications when releases are available or
    solicitations for beta feedback.  Subscribe at:

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

* nahant-beta-list redhat com

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

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

* 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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