Red Hat ENTERPRISE 5.3 RELEASE NOTES Guía de instalación descargar pdf (Pagina 21)

yum operates, thereby alleviating the problem posed by the ever-growing number of packages

included with each minor release. In addition, this update also introduces the reinstall command,

improves the interface for several commands, and applies several bug fixes, including:

Any yum commands would fail if the -c option was used to specify a configuration file

residing on a web address (http). T his bug is now fixed.

A checkSignal() function in yum called an incorrect exit function; as such, exiting yum

would result in a traceback instead. With this release, yum now exits properly.

flash-plugin Re- Base

The flash-plugin package has been re-based to version 10.0.12.36. T his update applies

several security fixes that were included in a previous flash-plugin ASYNC update. Further,

this updated plugin also contains Adobe Flash Player 10, which includes the following bug

fixes and feature enhancements:

Improved stability on the Linux platform by fixing a race condition issue in sound output.

New support for custom filters and effects, native 3D transformation and animation,

advanced audio processing, a new, more flexible text engine, and GPU hardware

acceleration.

For more information about this update, refer to the Adobe Flash Player 10 release notes at

the following link:

http://www.adobe.com/support/documentation/en/flashplayer/10/Flash_Player_10_Release_Not

es.pdf

gdb Rebase

gdb has now been rebased to version 6.8. T his applies several upstream feature updates and

bug fixes, most notably: support for breakpoints inside C++ templates, constructors and inline

functions.

For more information on gdb updates applied in this release, refer to http://sourceware.org/cgi-

bin/cvsweb.cgi/src/gdb/NEWS?rev=1.259.2.1&cvsroot=src.

Instruction Based Sampling on AMD Family10h processors

New hardware profiling support for the AMD Family10h processors has been added for Red

Hat Enterprise Linux 5.3. T hese new AMD CPUs support Instruction Based Sampling (IBS). IBS

support requires changes to the oProfile driver to gather this information and initialize the new

Model Specific Registers (MSRs) associated with these new features.

This update adds the new IBS_FETCH and IBS_OP profiling samples to the per CPU buffers

and the event buffers of the oProfile driver. New control entries have also been added to

/dev/oprofile to control IBS sampling. T hese changes are backward compatible with the

previous PMC only version of the driver, and a separate patch is available to oProfile 0.9.3 to

use this new data.

For more information on IBS refer to the paper: Instruction-Based Sampling: A New Performance

Analysis T echnique for AMD Family 10h Processors, November 19, 2007

Squid Re-base

Squid has been re-based to the latest stable upstream version (STABLE21). This update

Red Hat Enterprise Linux 5 5.3 Release Notes

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Red Hat ENTERPRISE 5.3 RELEASE NOTES Guía de instalación Pagina 21