251998aaee
(ATAng), rtld(1) does libmap by default, symorder gone, sysinstall(8) alternate MTA selection, GCC -pthread gone.
597 lines
23 KiB
Plaintext
597 lines
23 KiB
Plaintext
<articleinfo>
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<title>&os;/&arch; &release.current; Release Notes</title>
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<corpauthor>The FreeBSD Project</corpauthor>
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<pubdate>$FreeBSD$</pubdate>
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<copyright>
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<year>2000</year>
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<year>2001</year>
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<year>2002</year>
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<year>2003</year>
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<holder role="mailto:doc@FreeBSD.org">The FreeBSD Documentation Project</holder>
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</copyright>
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<abstract>
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<para>The release notes for &os; &release.current; contain a summary
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of
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<![ %include.historic; [
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the changes made to the &os; base system since &release.prev;.
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]]>
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<![ %no.include.historic; [
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recent changes made to the &os; base system on the &release.branch;
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development branch.
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]]>
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This document lists applicable security advisories that were issued since
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the last release, as well as significant changes to the &os;
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kernel and userland.
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Some brief remarks on upgrading are also presented.</para>
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</abstract>
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</articleinfo>
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<sect1 id="intro">
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<title>Introduction</title>
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<para>This document contains the release notes for &os;
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&release.current; on the &arch.print; hardware platform. It
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describes recently added, changed, or deleted features of &os;.
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It also provides some notes on upgrading
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from previous versions of &os;.</para>
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<![ %release.type.snapshot [
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<para>The &release.type; distribution to which these release notes
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apply represents a point along the &release.branch; development
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branch between &release.prev; and the future &release.next;. Some
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pre-built, binary &release.type; distributions along this branch
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can be found at <ulink url="&release.url;"></ulink>.</para>
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]]>
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<![ %release.type.release [
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<para>This distribution of &os; &release.current; is a
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&release.type; distribution. It can be found at <ulink
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url="&release.url;"></ulink> or any of its mirrors. More
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information on obtaining this (or other) &release.type;
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distributions of &os; can be found in the <ulink
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url="http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/mirrors.html"><quote>Obtaining
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FreeBSD</quote> appendix</ulink> to the <ulink
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url="http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/">FreeBSD
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Handbook</ulink>.</para>
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]]>
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<para>Users who are new to the &release.branch; series of &os;
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&release.type;s should also read the <quote>Early Adopters Guide
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to &os; &release.current;</quote>. This document can generally be
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found in the same location as the release notes (either as a part of a
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&os; distribution or on the &os; Web site). It contains important
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information regarding the advantages and disadvantages of using
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&os; &release.current;, as opposed to releases based on the &os;
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4-STABLE development branch.</para>
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<para>All users are encouraged to consult the release errata before
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installing &os;. The errata document is updated with
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<quote>late-breaking</quote> information discovered late in the
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release cycle or after the release. Typically, it contains
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information on known bugs, security advisories, and corrections to
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documentation. An up-to-date copy of the errata for &os;
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&release.current; can be found on the &os; Web site.</para>
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</sect1>
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<sect1 id="new">
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<title>What's New</title>
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<para>This section describes
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<![ %include.historic; [
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the most user-visible new or changed features in &os;
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since &release.prev;.
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In general, changes described here are unique to the &release.branch;
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branch unless specifically marked as &merged; features.
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]]>
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<![ %no.include.historic; [
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many of the user-visible new or changed features in &os;
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since &release.prev;. It includes items that are unique to the
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&release.branch; branch, as well as some features that may have been
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recently merged to
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other branches (after &os; &release.prev.historic;). The latter
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items are marked as &merged;.
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]]>
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</para>
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<para>Typical release note items
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document recent security advisories issued after
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&release.prev.historic;,
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new drivers or hardware support, new commands or options,
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major bug fixes, or contributed software upgrades. They may also
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list changes to major ports/packages or release engineering
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practices. Clearly the release notes cannot list every single
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change made to &os; between releases; this document focuses
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primarily on security advisories, user-visible changes, and major
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architectural improvements.</para>
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<sect2 id="security">
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<title>Security Advisories</title>
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<para>A single-byte buffer overflow in &man.realpath.3; was
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fixed. Although the fix was committed prior to &os;
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&release.prev; (and thus &release.prev; was not affected),
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it was not noted in the release documentation. See security advisory
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<ulink url="ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-03:08.realpath.asc">FreeBSD-SA-03:08</ulink>. &merged;</para>
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<para>A bug that could allow the kernel to attempt delivery of
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invalid signals has been fixed. The bug could have led to a
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kernel panic or, under some circumstances, unauthorized
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modification of kernel memory. For more information, see
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security advisory
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<ulink url="ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-03:09.signal.asc">FreeBSD-SA-03:09</ulink>. &merged;</para>
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<para>A bug in the iBCS2 emulation module, which could result in
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disclosing the contents of kernel memory, has been fixed. This
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module is not enabled in &os; by default. For more information,
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see security advisory
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<ulink url="ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-03:10.ibcs2.asc">FreeBSD-SA-03:10</ulink>. &merged;</para>
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</sect2>
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<sect2 id="kernel">
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<title>Kernel Changes</title>
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<para arch="i386">A bug that even when no AT keyboard is connected,
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&man.atkbd.4; registers an AT keyboard during console initialization
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has been fixed. <command>kbdcontrol -k /dev/kbd1</command>
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is no longer needed when only a USB keyboard is connected.
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&merged;</para>
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<para arch="i386">The DRM kernel modules have been updated from
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DRI CVS as of 9 September 2003. Among other changes, this
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import includes a newly-ported SiS 300/305/540/630/730
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driver.</para>
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<para arch="sparc64">A new OFW PCI framework, conditional on the
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<literal>OFW_NEWPCI</literal> kernel configuration option, has
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been added. This addition improves the handling of PCI busses.
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One user-visible change is that the enumeration of devices is
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closer to &solaris; (as a result of this change, the numbering
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of devices may change if more than one unit of a device type is
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present). The <literal>OFW_NEWPCI</literal> kernel
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configuration is enabled by default in the
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<filename>GENERIC</filename> kernel.</para>
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<para arch="amd64,alpha,i386,ia64,pc98">The &man.puc.4;,
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PCI Universal Communications driver now supports
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to connect parallel ports to the &man.ppc.4; driver.</para>
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<para arch="i386,pc98">The &man.safe.4; driver has been added
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to support SafeNet 1141, 1741-based crypto accelerators.
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&merged;
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<note>
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<para>The public key support is not implemented.</para>
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</note></para>
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<para>A kernel software watchdog facility has been implemented.
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For more information, see &man.watchdog.4; and
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&man.watchdogd.8;.</para>
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<!-- Above this line, sort kernel changes by manpage/keyword-->
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<para>The swap pager has been revamped. Among user-visible
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changes are a change in the layout policy (from fixed-width
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striping to a round-robin across devices) for better I/O
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throughput, the elimination of compile-time limits on the number
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of swap devices, and a reduction in memory overheads.</para>
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<sect3 id="proc">
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<title>Platform-Specific Hardware Support</title>
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<para arch="i386">PCI interrupts are always routed on i386 UP
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machines, which may improve the usability of some PCI devices
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(particularly on laptops).</para>
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<para arch="i386">An integer overflow that could cause kernel
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panics on PAE machines of certain large memory sizes has been
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corrected.</para>
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<para arch="i386,pc98">Floating point emulation in the kernel has
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been removed.</para>
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</sect3>
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<sect3 id="boot">
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<title>Boot Loader Changes</title>
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<para></para>
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<!-- Above this line, order boot loader changes by keyword-->
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</sect3>
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<sect3 id="net-if">
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<title>Network Interface Support</title>
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<para>The new &man.ath.4; and &man.ath.hal.4; drivers provide
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support for 802.11a/b/g devices based on the AR5210, AR5211,
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and AR5212 chips.</para>
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<para>The &man.bfe.4; driver has been added to support Broadcom
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BCM4401 based Fast Ethernet adapters.</para>
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<para>&man.bge.4; now supports Broadcom 5705 based Gigabit Ethernet NICs.
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&merged;</para>
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<para>A bug in the &man.bge.4; driver that prevented it from
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working correctly at 10 Mbps has been fixed.</para>
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<para>The &man.em.4; driver now has support for tuning
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the interrupt delays using sysctl tunables
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without recompiling the driver.</para>
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<para arch="i386,pc98,sparc64">The &man.harp.4; driver has been added.
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This is a pseudo physical interface driver for HARP,
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which attaches to all netgraph ATM interface in the
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system and presents a physical interface to the HARP stack
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for each of these interfaces.</para>
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<para arch="i386,pc98,sparc64">The &man.hatm.4; driver has been added
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to support Fore/Marconi HE155 and HE622 ATM cards.</para>
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<para arch="i386,pc98,sparc64">The &man.patm.4; driver has been added to
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support IDT77252 based ATM interfaces.</para>
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<para>The &man.re.4; driver has been added. It provides support
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for the RealTek RTL8139C+, RTL8169, RTL8169S and RTL8110S PCI
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Fast Ethernet and Gigabit Ethernet controllers.</para>
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<para>The &man.uart.4; driver has been added to support various
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classes of UART (Universal Asynchronous Receiver/Transmitter)
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devices. It is an analog of the &man.sio.4; driver but
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supports a wider range of devices. This driver is necessary
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to support serial ports on certain architectures, such as
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ia64 and sparc64.</para>
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<para>The suspend/resume support for the &man.wi.4; driver
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now works correctly when the device is configured down.
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&merged;</para>
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<para>The 802.11 support layer has been rewritten to allow for
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future growth and new features.</para>
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</sect3>
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<sect3 id="net-proto">
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<title>Network Protocols</title>
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<para>An <literal>IP_ONESBCAST</literal> option has been added
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to enable undirected &man.ip.4; broadcasts to be sent to
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specific network interfaces.</para>
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<para>&man.ipfw.4; rules now support comma-separated address lists
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(such as <literal>1.2.3.4, 5.6.7.8/30, 9.10.11.12/22</literal>),
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and allow spaces after commas to make lists of addresses more readable.
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&merged;</para>
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<para>&man.ipfw.4; rules now support C++-style comments.
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Each comment is stored together with its rule and appears using
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the &man.ipfw.8; <literal>show</literal> command.
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&merged;</para>
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<para>&man.ipfw.8; can now modify &man.ipfw.4; rules in set 31,
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which was read-only and used for the default rules.
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They can be deleted by <command>ipfw delete set 31</command>
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command but are not deleted
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by the <command>ipfw flush</command> command.
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This implements a flexible form of <quote>persistent
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rules</quote>. More details can be found in &man.ipfw.8;.
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&merged;</para>
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<para>The &man.ng.atmpif.4; NetGraph node type has been added.
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It emulates a HARP physical interface, and allows one
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to run the HARP ATM stack without real hardware.</para>
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<para>Kernel support has been added for Protocol Independent
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Multicast routing. &merged;</para>
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<para>To reduce information leakage, IPv4 packets no longer have
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a <varname>ip_id</varname> field set unless fragmentation is
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being done.</para>
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</sect3>
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<sect3 id="disks">
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<title>Disks and Storage</title>
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<para>A major rework of the &man.ata.4; driver has been
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committed. One of the more notable changes is that the
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&man.ata.4; driver has now out from under the Giant kernel
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lock. Note that ATA software RAID systems must now include
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<literal>device ataraid</literal> in their kernel
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configuration files, as it is no longer automatically implied
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by <literal>device atadisk</literal>.</para>
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<para>&man.ccd.4; can now operate on raw disks and other
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&man.geom.4; providers.</para>
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<para>The &man.da.4; driver no longer tries to send 6-byte
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commands to USB and Firewire devices. The quirks for these
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devices (which hopefully are now unnecessary) have been
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disabled; to restore the old behavior, add <literal>options
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DA_OLD_QUIRKS</literal> to the kernel configuration. &merged;</para>
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<para>Various &man.geom.4; modules can now be loaded as kernel
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modules, namely:
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<filename>geom_apple</filename>,
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<filename>geom_bde</filename>,
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<filename>geom_bsd</filename>,
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<filename>geom_gpt</filename>,
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<filename>geom_mbr</filename>,
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<filename>geom_pc98</filename>,
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<filename>geom_sunlabel</filename>,
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<filename>geom_vol_ffs</filename>.
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</para>
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<para>A <literal>GEOM_FOX</literal> module has been added to
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detect and select between multiple redundant paths to the same
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device.</para>
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<para arch="i386">The &man.matcd.4; driver, which supports the
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Matsushita CR-562 and CR-563 CD drives, has returned.</para>
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<para>The &man.twe.4; driver now supports the 3ware generic
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API. &merged;</para>
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</sect3>
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<sect3 id="fs">
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<title>File Systems</title>
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<para>Some off-by-one errors in the smbfs that prevented it from
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working correctly with 15-character NetBIOS names have been fixed.</para>
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</sect3>
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<sect3 id="mm">
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<title>Multimedia Support</title>
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<para></para>
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</sect3>
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</sect2>
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<sect2 id="userland">
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<title>Userland Changes</title>
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<para>&man.acpidb.8;, an ACPI DSDT debugger, has been
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added.</para>
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<para>&man.arp.8; now supports a <option>-i</option> option
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to limit the scope of the current operation to the ARP entries
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on a particular interface. This option applies to the display
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operations only. It should be useful on routers with numerous
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network interfaces. &merged;</para>
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<para>The &man.atmconfig.8; program has been added for
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configuration of the ATM drivers and IP-over-ATM
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functionality.</para>
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<para>&man.chroot.8; now allows the optional setting of a user,
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primary group, or group list to use inside the chroot
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environment via the <option>-u</option>, <option>-g</option>,
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and <option>-G</option> options respectively. &merged;</para>
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<para>The dev_db utility is unnecessary due to the mandatory
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presence of devfs, and has been removed.</para>
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<para>&man.dhclient.8; now polls the state of network interfaces
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and only sends DHCP requests on interfaces that are up. The
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polling interval can be controlled with the <option>-i</option>
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option.</para>
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<para>The &man.ffsinfo.8; utility has been updated to understand
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UFS2 filesystems and has been re-enabled.</para>
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<para>The &man.iasl.8; utility, a compiler/decompiler for ACPI
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Source Language (ASL) and ACPI Machine language (AML), has been
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added.</para>
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<para>&man.ipfw.8; <literal>list</literal> and <literal>show</literal>
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command now support ranges of rule numbers.
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&merged;</para>
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<para>&man.ipfw.8; now supports a <option>-n</option> flag
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to test the syntax of commands without actually changing anything.
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&merged;</para>
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<para>The <filename>libcipher</filename> DES cryptography library
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has been removed. All of its functionality is provided by the
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<filename>libcrypto</filename> library, and all base systems
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programs that used <filename>libcipher</filename> have been
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converted to use <filename>libcrypto</filename> instead.</para>
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<para arch="i386,ia64">The <filename>libthr</filename> 1:1
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threading library is now built by default.</para>
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<para>The &man.locale.1; utility has been re-implemented and is
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now POSIX-compliant. A new <option>-m</option> option shows all
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available codesets.</para>
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<para>The &man.mount.8; utility now supports to display the filesystem
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ID for each file system in addition to the normal information
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when a <option>-v</option> flag is specified,
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and &man.umount.8; utility now accepts the filesystem ID
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as well as the usual device and path names.
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This allows to unambiguously specify which file system is
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to be unmounted even when two or more file systems share
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the same device and mount point names.</para>
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<para>The &man.mount.nwfs.8;, &man.mount.portalfs.8;, and
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&man.mount.smbfs.8; utilities have been moved from
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<filename>/sbin</filename> to <filename>/usr/sbin</filename>.</para>
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<para>The &man.pam.guest.8; PAM module has been added to allow
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guest logins. It replaces the pam_ftp(8) module.</para>
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<para>&man.ps.1; and &man.top.1; now support a <option>-H</option> flag to display all
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kernel-visible threads in each process.</para>
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<para>A bug that &man.rarpd.8; does not recognize removable Ethernet NICs
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has been fixed.</para>
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<para>&man.rtld.1; now includes <quote>libmap</quote>
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functionality by default; the <varname>WITH_LIBMAP</varname>
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compile knob is unnecessary and has been retired. More
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information can be found in &man.libmap.conf.5;.</para>
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<para>The symorder utility has been removed. It is unnecessary
|
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now that all kernels use ELF format and there is no a.out format
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toolchain.</para>
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<para>&man.sysinstall.8; now gives the ability to select an
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alternate MTA during installation. Currently,
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<application>exim</application> and
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<application>Postfix</application> are supported.</para>
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<para>&man.systat.1; now includes displays for IPv6 and ICMPv6
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traffic. &merged;</para>
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<para>A number of utilities available in <filename>/bin</filename>
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and <filename>/sbin</filename> are now available as a
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statically-linked <quote>crunched</quote> binary that lives in
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<filename>/rescue</filename>. This functionality is similar to
|
|
the <filename>/stand</filename> directory installed by
|
|
&man.sysinstall.8;, but <filename>/rescue</filename> includes
|
|
more functionality and is updated as part of
|
|
<literal>buildworld</literal>/<literal>installworld</literal> operations. More details can be found in
|
|
&man.rescue.8;.
|
|
</para>
|
|
|
|
<para>It is now possible to build <filename>/bin</filename> and
|
|
<filename>/sbin</filename> directories containing
|
|
dynamically-linked executables. This feature brings support for
|
|
loadable PAM and NSS modules to base system utilities located in
|
|
those directories. It also reduces the storage requirements for
|
|
the root filesystem due to the use of shared libraries. This
|
|
feature can be enabled in a <literal>buildworld</literal> by
|
|
defining the Makefile variable
|
|
<varname>WITH_DYNAMICROOT</varname>.</para>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="contrib">
|
|
<title>Contributed Software</title>
|
|
|
|
<para>The <application>ACPI-CA</application> code has been updated
|
|
from the 20030228 snapshot to the 20030619 snapshot.</para>
|
|
|
|
<para><application>amd</application> has been updated from 6.0.7
|
|
to 6.0.9.</para>
|
|
|
|
<para><application>awk</application> from Bell Labs has been
|
|
updated from a 14 March 2003 snapshot to a 29 July 2003 snapshot.</para>
|
|
|
|
<para><application>BIND</application> has been updated from 8.3.4
|
|
to 8.3.6.</para>
|
|
|
|
<para><application>GCC</application> has been updated from 3.2.2 to
|
|
3.3.1-release.
|
|
|
|
<note>
|
|
<para>Previous versions of <application>GCC</application>
|
|
generated incorrect code when
|
|
<literal>-march=pentium4</literal> optimization was
|
|
enabled. This problem is believed to have been fixed with
|
|
this upgrade, and the earlier workaround for the case of
|
|
<literal>CPUTYPE=p4</literal> has been removed.</para>
|
|
</note>
|
|
</para>
|
|
|
|
<para>The <application>GCC</application> <option>-pthread</option>
|
|
option, which formerly controlled linking of the threading
|
|
library, has been removed. This flag is confusing in the
|
|
presence of multiple threading libraries (specifically
|
|
<filename>libc_r</filename>, <filename>libkse</filename>, and
|
|
<filename>libthr</filename>. Ports should use the
|
|
<varname>PTHREAD_LIBS</varname> variable to select the correct
|
|
threading library.</para>
|
|
|
|
<para><application>GNU Readline</application> has been updated
|
|
from 4.2 to 4.3.</para>
|
|
|
|
<para><application>GNU Sort</application> has been updated from
|
|
the version in textutils 2.0.21 to the version in textutils
|
|
2.1.</para>
|
|
|
|
<para>The <application>ISC DHCP</application> client has been
|
|
updated from 3.0.1rc11 to 3.0.1rc12.</para>
|
|
|
|
<para><application>lukemftp</application> has been updated from
|
|
1.6beta2 to a 30 June 2003 snapshot from NetBSD.</para>
|
|
|
|
<para><application>OpenPAM</application> has been updated from the
|
|
<quote>Dianthus</quote> release to the
|
|
<quote>Dogwood</quote> release.</para>
|
|
|
|
<para><application>texinfo</application> has been updated from 4.5
|
|
to 4.6. &merged;</para>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ports">
|
|
<title>Ports/Packages Collection Infrastructure</title>
|
|
|
|
<para>If <makevar>GNU_CONFIGURE</makevar> is defined,
|
|
all instances of <filename>config.guess</filename> and
|
|
<filename>config.sub</filename> found
|
|
under <filename><makevar>WRKDIR</makevar></filename>
|
|
are replaced with the master versions from
|
|
<filename><makevar>PORTSDIR</makevar>/Template</filename>.
|
|
This allows old ports (which contain old versions
|
|
of these scripts) to build on newer architectures like ia64 and amd64.</para>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="releng">
|
|
<title>Release Engineering and Integration</title>
|
|
|
|
<para arch="alpha,amd64,ia64">Floppy disk installation images are
|
|
no longer built for the alpha, amd64, and ia64
|
|
architectures.</para>
|
|
|
|
<para>The supported release of <application>GNOME</application> has
|
|
been updated from 2.2.1 to 2.2.2. &merged;</para>
|
|
|
|
<para>The supported release of <application>KDE</application> has
|
|
been updated from 3.1.2 to 3.1.3. &merged;</para>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="doc">
|
|
<title>Documentation</title>
|
|
|
|
<para></para>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|
|
|
|
<sect1 id="upgrade">
|
|
<title>Upgrading from previous releases of &os;</title>
|
|
|
|
<para>Users with existing &os; systems are
|
|
<emphasis>highly</emphasis> encouraged to read the <quote>Early
|
|
Adopter's Guide to &os; &release.current;</quote>. This document generally has
|
|
the filename <filename>EARLY.TXT</filename> on the distribution
|
|
media, or any other place that the release notes can be found. It
|
|
offers some notes on upgrading, but more importantly, also
|
|
discusses some of the relative merits of upgrading to &os;
|
|
5.<replaceable>X</replaceable> versus running &os;
|
|
4.<replaceable>X</replaceable>.</para>
|
|
|
|
<important>
|
|
<para>Upgrading &os; should, of course, only be attempted after
|
|
backing up <emphasis>all</emphasis> data and configuration
|
|
files.</para>
|
|
</important>
|
|
</sect1>
|