Update for 1.3
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@ -19,43 +19,104 @@ NetBSD is a creation of the members of the Internet community.
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Without the unique cooperation and coordination the net makes
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possible, it's likely that this release wouldn't have come about.
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The current release has built upon the successful NetBSD 1.2 release
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by integrating many bug fixes, adding new and updated kernel
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subsystems, and adding various userland enhancements. The results of
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these improvements is a stable operating system fit for production use
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and ready for the next phase of development.
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The NetBSD _VER release is a landmark. Building upon the successful
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NetBSD 1.2 release, we have provided numerous and significant
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functional enhancements, including support for many new devices,
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integration of many bug fixes, new and updated kernel subsystems, and
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many userland enhancements. The results of these improvements is a
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stable operating system fit for production use that rivals most
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commercially available systems.
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It is impossible to summarize the 18 months of development that went
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into the NetBSD _VER release. Some of the significant changes include:
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Significant changes include:
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Support for machine independant device drivers has been
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radically improved with the addition of the "bus.h" interface,
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providing a high quality abstraction for machine and
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architecture independent device access.
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Continuing the multi-platform tradition, the integration of
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the DEC Alpha port has been completed, and new ports to ARM
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and x68k have been added.
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The bus_dma interface has also been integrated, providing a
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machine-independent abstraction for DMA mapping. This permits many
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good things, including (among many) clean multi-platform
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bounce buffer support.
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NetBSD/sparc now supports 4m machines.
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Framework support for ISA "Plug and Play" has been added, as
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well as support for numerous "Plug and Play" devices.
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NetBSD/amiga now supports the DraCo.
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APM support has been added to NetBSD/i386.
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Standard C Prototypes have been added to the Kernel.
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An initial cut of multiplatform PCMCIA support has been added.
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Kernel NTP (Network Time Protocol) phased lock loop support has
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been added. See http://www.eecis.udel.edu/~ntp/ for more
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details.
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Support for ATAPI devices (initially just ATAPI CD-ROM drives)
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has been added.
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The PINT (PINT is not TWAIN) SCSI scanner driver interface has
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been integrated. See http://www.dol-esa.gov/~kstailey/pint
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for more details.
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Support for Sun 3/80s (sun3x architecture) has been added.
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A new SCSI medium changer driver and the `chio' program used to
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operate it has been added.
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Integration/merger of 4.4BSD Lite-2 sources into userland
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programs has nearly been completed.
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The NFS subsystem now supports NFSv3.
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Most of userland now compiles with high levels of gcc warnings
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turned on, which has lead to the discovery and elimination of
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many bugs.
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The i386 boot blocks have been completely replaced with a new,
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libsa based two stage boot system. This has permitted
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integration of compressed boot support (see below).
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Several performance enhancements have been made to the
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networking subsystem.
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Many ports (including NetBSD/i386) now support booting of
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compressed kernels, and feature new "Single Floppy" install
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systems that boot compressed install kernels and ramdisks. We
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intend to do substantial work on improving ease of
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installation in the future.
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GCC, Libg++, and many other third party programs have been
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upgraded to more recent versions.
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"ypserv" has been added, thus completing our support for the
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"yp" network information system suite.
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Support for the Linux "ext2fs" filesystem and for FAT32 "msdosfs"
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filesystems has been added.
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TCP now has a SYN "compressed state engine" which provides
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increased robustness under high levels of received SYNs (as in
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the case of "SYN flood" attacks.) (Much of this code was
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derived from sources provided by BSDI.)
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An initial implementation of Path MTU discovery has been
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integrated (though it is not turned on by default).
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An initial kernel based random number generator pseudodevice has
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been added.
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Several major fixes have been integrated for the VM subsystem,
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including the fix of a notorious VM leak, improved
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synchronization between mmap()ed and open()ed files, and
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massively improved performance in low real memory conditions.
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A new swap subsystem has radically improved configuration and
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management of swap devices and swap files.
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Userland ntp support, including xntpd, has been integrated.
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The audio subsystems have been substantially debugged and
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improved, and now offer substantial emulation of the OSS audio
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interface, thus providing the ability to cleanly run emulated
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Linux and FreeBSD versions of sound intensive programs.
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A "packages" system has been adapted from FreeBSD and will
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provide binary package installations for third party
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applications.
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The XFree86 X source tree has been made a supported part of
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the NetBSD distribution, and X servers, libraries and
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utilities are now shipped with our releases.
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The ftp(1) program has been made astoundingly overfunctional.
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It supports command line editing, tab completion, status bars,
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automatic download of URLs specified on the command line,
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firewall support and many other features.
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All ports now use "new" config. Old config has been laid to rest.
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As has been noted, there have also been innumerable bug fixes.
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Kernel interfaces have continued to be refined, and more subsystems
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and device drivers are shared among the different ports. You can look
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@ -66,6 +127,8 @@ system (which includes FreeBSD, HP-UX, iBCS2, Linux, OSF/1, SunOS, SVR4,
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Solaris and Ultrix compatibility), bringing NetBSD closer to the goal of
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making the emulation as accurate as possible.
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In the near future, we hope to integrate a fully rewritten VM
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subsystem, kernel threads, and SMP support.
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#include "whatis"
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@ -165,30 +228,30 @@ The source distribution sets can be found in subdirectories of the
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complete sources to the system. The source distribution sets
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are as follows:
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dsrc12 This set contains the "domestic" sources. These
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dsrc13 This set contains the "domestic" sources. These
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sources may be subject to United States export
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regulations.
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[ 140K gzipped, 655K uncompressed ]
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[ 140K gzipped, 655K uncompressed ] /* XXX */
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gsrc12 This set contains the "gnu" sources, including
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gsrc13 This set contains the "gnu" sources, including
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the source for the compiler, assembler, groff,
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and the other GNU utilities in the binary distribution
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sets.
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[ 7.1M gzipped, 30.4M uncompressed ]
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[ 7.1M gzipped, 30.4M uncompressed ] /* XXX */
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ksrc12 This set contains the sources to the NetBSD _VER
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ksrc13 This set contains the sources to the NetBSD _VER
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kernel, config(8), and dbsym(8).
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[ 6.0M gzipped, 27.0M uncompressed ]
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[ 6.0M gzipped, 27.0M uncompressed ] /* XXX */
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ssrc12 This set contains the "share" sources, which include
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ssrc13 This set contains the "share" sources, which include
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the sources for the man pages not associated with
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any particular program, the sources for the
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typesettable document set, the dictionaries, and more.
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[ 2.4M gzipped, 8.9M uncompressed ]
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[ 2.4M gzipped, 8.9M uncompressed ] /* XXX */
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src12 This set contains all of the NetBSD _VER sources which
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src13 This set contains all of the NetBSD _VER sources which
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are not mentioned above.
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[ 9.3M gzipped, 41.6M uncompressed ]
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[ 9.3M gzipped, 41.6M uncompressed ] /* XXX */
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It is worth noting that unless all of the source distribution sets
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are installed (except the domestic set), you can't rebuild and install
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@ -371,10 +434,6 @@ Without CVS, this project would be impossible to manage, so our hats
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go off to Brian Berliner, Jeff Polk, and the various other people
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who've had a hand in making CVS a useful tool.
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Alistair G. Crooks <agc@westley.demon.co.uk> has been producing tar
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file snapshot reports for NetBSD-current users, a very valuable
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service.
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Dave Burgess <burgess@cynjut.infonet.net> has been maintaining the
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386BSD/NetBSD/FreeBSD FAQ for quite some time, and deserves to be
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recognized for it.
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