504 lines
17 KiB
Plaintext
504 lines
17 KiB
Plaintext
<!-- $Id: relnotes.sgml,v 1.3 1995/06/30 17:37:47 jfieber Exp $ -->
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<!-- The FreeBSD Documentation Project -->
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<!--
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<!DOCTYPE linuxdoc PUBLIC '-//FreeBSD//DTD linuxdoc//EN'>
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<linuxdoc><book><chapt>foo
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-->
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<sect><heading>About this release<label id="relnotes"></heading>
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<p>Since our first release of FreeBSD 1.0 nearly two
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years ago, FreeBSD has changed dramatically. Since
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release 2.0, FreeBSD has been based on the Berkeley BSD
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4.4-lite code rather than the Net2 code used for
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previous versions. In addition to clearing the legal
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issues that surrounded the Net2 code, the port to 4.4
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has also brought in numerous new features, filesystems
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and enhanced driver support.
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Since our release of FreeBSD 2.0 in November of 1994,
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the performance, feature set, and stability of FreeBSD
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has improved dramatically. The largest change is a
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revamped Virtual Memory (VM) system with a merged
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virtual memory and file buffer cache. This increases
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performance while reducing FreeBSD's memory footprint,
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making a system with 4 megabytes of RAM a more
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acceptable minimum. Other enhancements include full
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NIS client and server support, transaction TCP support,
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dial on demand PPP, an improved SCSI subsystem, early
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support for ISDN, support for FDDI and 100Mbit Fast
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Ethernet adapters, improved support for the Adaptec
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2940 and hundreds of bug fixes.
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We've also taken the comments and suggestions of many
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of our users to heart and have attempted to provide
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what we hope is a more sane and easily understood
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installation process. Your feedback on this constantly
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evolving process is especially welcome!
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In addition to the base distributions, FreeBSD offers a
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new ported software collection with some 270 commonly
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sought-after programs. The list of ports ranges from
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World Wide Web (http) servers, to games, languages,
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editors and almost everything in between. The entire
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ports collection requires only 10MB of storage because
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each port contains only the changes required for the
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source code to compile on FreeBSD and the information
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necessary to automatically retrieve the original
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sources. The original distribution for each port you
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build is automatically retrieved off of CD-ROM or a via
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anonymous ftp, so you need only enough disk space to
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build the ports you want. Each port is also provided
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as a pre-compiled package which can be installed with
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the <tt>pkg_add(1)</tt> command for those who do not
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wish to compile their own ports from source. See <ref
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id="ports" name="The Ports Collection"> for a more
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complete description.
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<!-- XXX make xref
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For a list of contributors and a general project
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description, please see the file "CONTRIB.FreeBSD"
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which should be bundled with your binary distribution.
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Also see the "REGISTER.FreeBSD" file for information on
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registering with the "Free BSD user counter". This
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counter is for ALL freely available variants of BSD,
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not just FreeBSD, and we urge you to register yourself
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with it.
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-->
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The core of FreeBSD does not contain DES code which
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would inhibit its being exported outside the United
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States. An add-on package, for use only in the United
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States, contains the programs that normally use DES.
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The auxiliary packages provided separately can be used
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by anyone. A freely exportable European distribution
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of DES for our non-U.S. users also exists and is
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described in the <url
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url="http://www.freebsd.org/How/faq" name="FreeBSD
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FAQ">. If password security for FreeBSD is all you
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need, and you have no requirement for copying encrypted
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passwords from other hosts using DES into FreeBSD
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password entries, then FreeBSD's MD5 based security may
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be all you require. We feel that our default security
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model is more than a match for DES, and without any
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messy export issues to deal with.
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FreeBSD 2.0.5 represents the culmination of 2 years of
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work and many thousands of man hours put in by an
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international development team. We hope you enjoy it!
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<sect1><heading>New feature highlights</heading>
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<p>The following features were added or substantially
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improved between the release of 2.0 and this 2.0.5
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release. In order to facilitate better
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communication, the person, or persons, responsible
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for each enhancement is noted. Any questions
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regarding the new functionality should be directed to
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them first.
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<sect2><heading>Kernel</heading>
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<p>
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<descrip>
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<tag>Merged VM-File Buffer Cache</tag> A merged
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VM/buffer cache design greatly enhances overall
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system performance and makes it possible to do
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a number of more optimal memory allocation
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strategies that were not possible before.
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Owner: David Greenman (davidg@FreeBSD.org) and
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John Dyson (dyson@implode.root.com)
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<tag>Network PCB hash optimization</tag> For
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systems with a great number of active TCP
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connections (WEB and ftp servers, for example),
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this greatly speeds up the lookup time required
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to match an incoming packet up to its
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associated connection.
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Owner: David Greenman (davidg@FreeBSD.org)
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<tag>Name cache optimization</tag> The name-cache
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would cache all files of the same name to the
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same bucket, which would put for instance all
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".." entries in the same bucket. We added the
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parent directory version to frustrate the hash,
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and improved the management of the cache in
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various other ways while we were at it.
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Owner: Poul-Henning Kamp (phk@FreeBSD.org)
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David Greenman (davidg@FreeBSD.org)
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<tag>Less restrictive swap-spaces</tag> The need
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to compile the names of the swap devices into
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the kernel has been removed. Now
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<tt>swapon(8)</tt> will accept any block
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devices, up to the maximum number of swap
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devices configured in the kernel.
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Owner: Poul-Henning Kamp (phk@FreeBSD.org)
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David Greenman (davidg@FreeBSD.org)
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<tag>Hard Wired SCSI Devices</tag> Prior to
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2.0.5, FreeBSD performed dynamic assignment of
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unit numbers to SCSI devices as they were
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probed, allowing a SCSI device failure to
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possibly change unit number assignment. This
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could cause filesystems other disks in the
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system to be incorrectly mounted, or not
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mounted at all. Hard wiring allows static
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allocation of unit numbers (and hence device
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names) to scsi devices based on SCSI ID and
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bus. SCSI configuration occurs in the kernel
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config file. Samples of the configuration
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syntax can be found in the <tt>scsi(4)</tt> man
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page or the LINT kernel config file.
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Owner: Peter Dufault (dufault@hda.com)
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Sources involved: <tt>sys/scsi/*</tt>
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<tt>usr.sbin/config/*</tt>
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<tag>Slice Support</tag> FreeBSD now supports a
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<em>slice</em> abstraction which enhances
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FreeBSD's ability to share disks with other
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operating systems. This support will allow
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FreeBSD to inhabit DOS extended partitions.
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Owner: Bruce Evans (bde@FreeBSD.org)
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Sources involved: <tt>sys/disklabel.h</tt>
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<tt>sys/diskslice.h</tt> <tt>sys/dkbad.h</tt>
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<tt>kern/subr_diskslice.c</tt> <tt>kern/subr_dkbad.c</tt>
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<tt>i386/isa/diskslice_machdep.c</tt> <tt>i386/isa/wd.c</tt>
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<tt>scsi/sd.c</tt> <tt>dev/vn/vn.c</tt>
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<tag>Support for Ontrack Disk Manager Version
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6.0</tag> Support has been added for disks
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which use Ontrack Disk Manager. The fdisk
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program does <em>not</em> know about it
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however, so make all changes using the install
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program on the boot.flp or the Ontrack Disk
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Manager tool under MS-DOS.
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Owner: Poul-Henning Kamp (phk@FreeBSD.org)
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<tag>Bad144 is back and working</tag> Bad144
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works again, though the semantics are slightly
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different than before in that the bad-spots are
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kept relative to the slice rather than absolute
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on the disk.
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Owner: Bruce Evans (bde@FreeBSD.org)
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Poul-Henning Kamp (phk@FreeBSD.org)
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</descrip>
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<sect2><heading>New device support</heading>
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<sect3><heading>SCSI and CDROM devices</heading>
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<p><descrip>
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<tag>Matsushita/Panasonic (Creative) CD-ROM
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driver</tag> The Matsushita/Panasonic CR-562 and
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CR-563 drives are now supported when connected to
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a Sound Blaster or 100% compatible host adapter.
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Up to four host adapters are supported for a
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total of 16 CD-ROM drives. The audio functions
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are supported with the Karoke variable speed
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playback.
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Owner: Frank Durda IV
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(bsdmail@nemesis.lonestar.org)
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Sources involved: <tt>isa/matcd</tt>
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<tag>Adaptec 2742/2842/2940 SCSI driver</tag> The
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original 274x/284x driver has evolved
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considerably since the 2.0 release of FreeBSD.
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We now offer full support for the 2940 series as
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well as the Wide models of these cards. The
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arbitration bug that caused problems with fast
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devices has been corrected and
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<em>experimental</em> tagged queuing support has
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been added (kernel option
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<tt>AHC_TAGENABLE</tt>). John Aycock has also
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released the sequencer code under a Berkeley
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style copyright making the driver entirely clean
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of the GPL.
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Owner: Justin Gibbs (gibbs@FreeBSD.org)
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Sources involved: <tt>isa/aic7770.c</tt> <tt>pci/aic7870.c</tt>
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<tt>i386/scsi/*</tt> <tt>sys/dev/aic7xxx/*</tt>
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<tag>NCR5380/NCR53400 SCSI (ProAudio Spectrum)
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driver</tag> Owner: core
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Submitted by: Serge Vakulenko (vak@cronyx.ru)
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Sources involved: <tt>isa/ncr5380.c</tt>
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<tag>Sony CDROM driver</tag> Owner: core
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Submitted by: Mikael Hybsch (micke@dynas.se)
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Sources involved: <tt>isa/scd.c</tt>
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</descrip>
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<sect3><heading>Serial devices</heading>
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<p><descrip>
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<tag>SDL Communications Riscom/8 Serial Board
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Driver</tag> Owner: Andrey Chernov
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(ache@FreeBSD.org)
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Sources involved: <tt>isa/rc.c</tt> <tt>isa/rcreg.h</tt>
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<tag>Cyclades Cyclom-y Serial Board Driver</tag>
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Owner: Bruce Evans (bde@FreeBSD.org)
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Submitted by: Andrew Werple
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(andrew@werple.apana.org.au) and Heikki Suonsivu
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(hsu@cs.hut.fi)
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Obtained from: NetBSD
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Sources involved: <tt>isa/cy.c</tt>
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<tag>Cronyx/Sigma sync/async serial driver</tag>
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Owner: core
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Submitted by: Serge Vakulenko
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Sources involved: <tt>isa/cronyx.c</tt>
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</descrip>
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<sect2><heading>Networking</heading>
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<p><descrip>
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<tag>Diskless booting</tag> Diskless booting in 2.0.5
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is much improved over previous releases. The boot
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program is in <tt>src/sys/i386/boot/netboot</tt>,
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and can be run from an MS-DOS system or burned into
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an EPROM. WD, SMC, 3COM and Novell ethernet cards
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are currently supported. Local swapping is also
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supported.
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<tag>DEC DC21140 Fast Ethernet driver</tag> This
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driver supports any of the numerous NICs using the
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DC21140 chipset including the 100Mb DEC DE-500-XA
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and SMC 9332.
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Owner: core
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Submitted by: Matt Thomas (thomas@lkg.dec.com)
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Sources involved: <tt>pci/if_de.c</tt> <tt>pci/dc21040.h</tt>
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<tag>DEC FDDI (DEFPA/DEFEA) driver</tag> Owner: core
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Submitted by: Matt Thomas (thomas@lkg.dec.com)
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Sources involved: <tt>pci/if_pdq.c</tt> <tt>pci/pdq.c</tt>
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<tt>pci/pdq_os.h</tt> <tt>pci/pdqreg.h</tt>
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<tag>3Com 3c505 (Etherlink/+) NIC driver</tag> Owner:
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core
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Submitted by: Dean Huxley (dean@fsa.ca)
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Obtained from: NetBSD
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Sources involved: <tt>isa/if_eg.c</tt>
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<tag>Fujitsu MB86960A family of NICs driver</tag>
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Owner: core
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Submitted by: M.S. (seki@sysrap.cs.fujitsu.co.jp)
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Sources involved: <tt>isa/if_fe.c</tt>
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<tag>Intel EtherExpress driver</tag> Owner: Rodney
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W. Grimes (rgrimes@FreeBSD.org)
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Sources involved: <tt>isa/if_ix.c</tt> <tt>isa/if_ixreg.h</tt>
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<tag>3Com 3c589 driver</tag> Owner: core
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Submitted by: "HOSOKAWA Tatsumi"
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(hosokawa@mt.cs.keio.ac.jp), Seiji Murata
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(seiji@mt.cs.keio.ac.jp) and Noriyuki Takahashi
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(hor@aecl.ntt.jp)
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Sources involved: <tt>isa/if_zp.c</tt>
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<tag>IBM Credit Card Adapter driver</tag> Owner: core
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Submitted by: "HOSOKAWA Tatsumi"
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(hosokawa@mt.cs.keio.ac.jp),
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Sources involved: <tt>isa/pcic.c</tt> <tt>isa/pcic.h</tt>
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<tag>EDSS1 and 1TR6 ISDN interface driver</tag>
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Owner: core
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Submitted by: Dietmar Friede
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(dfriede@drnhh.neuhaus.de) and Juergen Krause
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(jkr@saarlink.de)
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Sources involved: <tt>gnu/isdn/*</tt>
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</descrip>
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<sect2><heading>Miscellaneous drivers</heading>
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<p><descrip>
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<tag>Joystick driver</tag> Owner: Jean-Marc Zucconi
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(jmz@FreeBSD.org)
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Sources involved: <tt>isa/joy.c</tt>
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<tag>National Instruments "LabPC" driver</tag> Owner:
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Peter Dufault (dufault@hda.com)
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Sources involved: <tt>isa/labpc.c</tt>
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<tag>WD7000 driver</tag> Owner: Olof Johansson
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(offe@ludd.luth.se)
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<tag>Pcvt Console driver</tag> Owner: Joerg Wunsch
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(joerg@FreeBSD.org)
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Submitted by: Hellmuth Michaelis
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(hm@altona.hamburg.com)
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Sources involved: <tt>isa/pcvt/*</tt>
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<tag>BSD-audio emulator for VAT driver</tag> Owner:
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Amancio Hasty (ahasty@FreeBSD.org) and
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Paul Traina (pst@FreeBSD.org)
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Sources involved: <tt>isa/sound/vat_audio.c</tt>
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<tt>isa/sound/vat_audioio.h</tt>
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<tag>National Instruments AT-GPIB and AT-GPIB/TNT
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GPIB driver</tag> Owner: core
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Submitted by: Fred Cawthorne
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(fcawth@delphi.umd.edu)
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Sources involved: <tt>isa/gpib.c</tt> <tt>isa/gpib.h</tt>
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<tt>isa/gpibreg.h</tt>
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<tag>Genius GS-4500 hand scanner driver</tag> Owner:
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core
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Submitted by: Gunther Schadow
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(gusw@fub46.zedat.fu-berlin.de)
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Sources involved: <tt>isa/gsc.c</tt> <tt>isa/gscreg.h</tt>
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<tag>CORTEX-I Frame Grabber</tag> Owner: core
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Submitted by: Paul S. LaFollette, Jr. (
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Sources involved: <tt>isa/ctx.c</tt> <tt>isa/ctxreg.h</tt>
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<tag>Video Spigot video capture card</tag> Owner: Jim
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Lowe
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</descrip>
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<sect1><heading>Experimental features</heading>
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<p><descrip>
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<tag>UNIONFS and LFS</tag> The unionfs and LFS file
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systems are known to be severely broken in FreeBSD
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2.0.5. This is in part due to old bugs that we
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haven't had time to resolve yet and the need to
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update these file systems to deal with the new VM
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system. We hope to address these issues in a later
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release of FreeBSD.
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<tag>iBCS2 Support</tag> FreeBSD now supports running
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iBCS2 compatible binaries. Currently SCO UNIX 3.2.2
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and 3.2.4, and ISC 2.2 COFF are supported. The iBCS2
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emulator is in its early stages and has not been
|
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extensively tested, but it is functional. Most of
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SCO's 3.2.2 binaries work, as does an old
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INFORMIX-2.10 for SCO. Further testing is nessesary
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to complete this project. There is also work under
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way for ELF and XOUT loaders, and most of the svr4
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syscall wrappers are written.
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Owner: Soren Schmidt (sos) and Sean Eric Fagan (sef)
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Sources involved: <tt>sys/i386/ibcs2/*</tt> and misc
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kernel changes.
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</descrip>
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<!--
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<sect1><heading>Reporting problems, making suggestions, submitting code</heading>
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<p>Your suggestions, bug reports and contributions of code
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are always valued - please do not hesitate to report any
|
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problems you may find (preferably with a fix attached if
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you can!).
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The preferred method to submit bug reports from a machine
|
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with internet mail connectivity is to use the send-pr
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command. Bug reports will be dutifully filed by our
|
|
faithful bugfiler program and you can be sure that we'll
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do our best to respond to all reported bugs as soon as
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possible.
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If, for some reason, you are unable to use the send-pr
|
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command to submit a bug report, you can try to send it
|
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to: <tscreen>bugs@FreeBSD.org</tscreen> Otherwise, for
|
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any questions or suggestions, please send mail to:
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<tscreen>questions@FreeBSD.org</tscreen>
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Additionally, being a volunteer effort, we are always
|
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happy to have extra hands willing to help - there are
|
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already far more enhancements to be done than we can ever
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manage to do by ourselves! To contact us on technical
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|
matters, or with offers of help, you may send mail to:
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<tscreen>hackers@FreeBSD.org</tscreen>
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Since these mailing lists can experience significant
|
|
amounts of traffic, if you have slow or expensive mail
|
|
access and you are only interested in keeping up with
|
|
significant FreeBSD events, you may find it preferable to
|
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subscribe to: <tscreen>announce@FreeBSD.org</tscreen>
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|
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All but the freebsd-bugs groups can be freely joined by
|
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anyone wishing to do so. Send mail to
|
|
MajorDomo@FreeBSD.org and include the keyword `help' on a
|
|
line by itself somewhere in the body of the message.
|
|
This will give you more information on joining the
|
|
various lists, accessing archives, etc. There are a
|
|
number of mailing lists targeted at special interest
|
|
groups not mentioned here, so send mail to majordomo and
|
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ask about them!
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-->
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