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|
<?xml version="1.0" encoding="iso-8859-1" ?>
<!DOCTYPE report PUBLIC "-//FreeBSD//DTD FreeBSD XML Database for Status Report//EN"
"http://www.FreeBSD.org/XML/www/share/sgml/statusreport.dtd">
<!-- $FreeBSD$ -->
<report>
<date>
<month>November-December</month>
<year>2002</year>
</date>
<section>
<title>Introduction:</title>
<p>At long last, FreeBSD 5.0 is here. Along with putting the final
polish on the tree, FreeBSD developers somehow found the time to
work on other things too. IA64 took some major steps towards
working on the Itanium2 platform, an effort was started to
convert all drivers to use busdma and ban vtophys(), hardware
crypto support and DEVD hit the tree, NewReno was fixed and
effort began on locking down the network layer of the kernel.
Also high performance, modular scheduler started taking shape
and will be a welcome addition to the kernel soon.</p>
<p>Looking forward, the focus will be on stabilizing and
improving the performance of 5.0. The RELENG_5 (aka 5-STABLE)
branch will be created once we've reached our goals in this
area, so hopefully we will get there quickly. Meanwhile,
preparations for the next release from the 4.x series, 4.8,
will begin soon. Of course, the best way to get 5.x to
stabilize os to install and run it!</p>
<p>Thanks,</p>
<p>Scott Long, Robert Watson</p>
</section>
<project>
<title>
Bluetooth stack for FreeBSD (Netgraph implementation)
</title>
<contact>
<person>
<name>
<given>Maksim</given>
<common>Yevmenkin</common>
</name>
<email>m_evmenkin@yahoo.com</email>
</person>
</contact>
<links>
<url href="http://www.geocities.com/m_evmenkin/">Latest snapshot</url>
<url href="http://bluez.sf.net">Linux BlueZ stack</url>
<url href="http://sourceforge.net/projects/openobex">OpenOBEX</url>
</links>
<body>
<p>I'm very pleased to announce that all kernel modules and few userland
tools made it to the FreeBSD source tree. Many thanks to Julian
Elischer.</p>
<p>Unfortunately no big changes since the last report. Some minor problems
have been discovered and patches are available on request. I will prepare
all the patches and submit them to Julian for review.</p>
<p> OBEX server and client (based on OpenOBEX library) is almost complete.
I'm currently doing interoperability testing. If anyone has hardware and
time please contact me. The HCI security daemon has been implemented and
tested with Sony Ericsson T68i cell phone and Windows stack. It is now
possible to setup secure Bluetooth connections.</p>
<p>A few people have complained about RFCOMM daemon. These individuals want
to use GPRS and Bluetooth enabled cell phone to access Internet. If you
have this problem please contact me for possible workaround. My next goal
is to get robust RFCOMM implementation to address all these issues.</p>
</body>
</project>
<project>
<title>TrustedBSD Project: Access Control Lists</title>
<contact>
<person>
<name>
<given>Robert</given>
<common>Watson</common>
</name>
<email>rwatson@FreeBSD.org</email>
</person>
<person>
<name>
<common>TrustedBSD Discussion List</common>
</name>
<email>trustedbsd-discuss@TrustedBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.TrustedBSD.org/">TrustedBSD Project</url>
</links>
<body>
<p>Largely bug-fixing and userland application tweaks; new
interfaces were added to manipulate ACLs on extended attributes;
bugs were fixed in ls relating to ACL flagging. Patches to
teach cp, mv, gzip, bzip, and other apps about ACL preservation
are in testing and review. tunefs flags were added to ease
configuration of ACLs, especially on UFS2 file systems.</p>
<p>Possible changes to make use of Linux/Solaris umask semantics
are under consideration: right now we implement verbatim
POSIX.1e/IRIX merging of the umask, ACL mask, and requested
creation mode during file, device, fifo, and directory creation.
Solaris and the most recent Linux patches ignore the umask in
the context of a default ACL; this requires some rearrangement
of umask handling in our VFS, although the results would be
quite useful. We're exploring how to do this in a low impact
way.</p>
</body>
</project>
<project>
<title>TrustedBSD Project: MAC Framework</title>
<contact>
<person>
<name>
<given>Robert</given>
<common>Watson</common>
</name>
<email>rwatson@FreeBSD.org</email>
</person>
<person>
<name>
<common>TrustedBSD Discussion List</common>
</name>
<email>trustedbsd-discuss@TrustedBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.TrustedBSD.org/">TrustedBSD Project</url>
</links>
<body>
<p>Framework changes:</p>
<p>Instrument KLD system calls (module and kld load, unload, stat)
Instrument NFSd system call. Instrument swapoff(2).
Instrument per-architecture privileged parts of sysarch().
Make use of condition variables to allow callers to wait for the
framework to "unbusy" when loading/unloading policies, rather than
returning EBUSY. Store mount pointer in devfs_mount structure for
use by policies. Improve handling of labels in loopback interface
"re-align" packet copy case. Provide full paths on devfs object
creations to help policies label them properly (not merged).
Experimentation with moving MAC labels into m_tags (not merged).
NFS server now uses real ucreds, not hacked up ucreds,
meaning we can start laying the groundwork for enforcement on
NFS operations. (not merged)</p>
<p>Policy changes</p>
<p>LOMAC: mac_lomac replaces lomac (LOMAC now uses the MAC Framework),
SEBSD: Improved support for devfs labeling based on SELinux genfs.
Handling of hard link checks. Support export of process transition
information for login and others using sysctl. Login now prompts
for roles. Allow policy reload. TTY labeling. Locking adaptation
from Linux. Many, many policy adaptations and fixes. We can
now boot in enforcing mode! mac_bsdextended: fix a bug in which
VAPPEND wasn't mapped to VWRITE, so opens with the O_APPEND bug
failed improperly.</p>
<p>Userland changes</p>
<p>setfmac(8) now supports a setfsmac(8) execution mode, which accepts
initial labeling specification files. Supports an SELinux compatibility
mode so it can accept SELinux label specfiles using the SEBSD module.
sendmail(8) now sets user labels as part of the context switch for mail
delivery.</p>
<p>Documentation changes</p>
<p>Man page updates for MAC command line tools, modules, admin hints, etc.
Updates to the FreeBSD Developer's Handbook chapter on MAC policies
and entry points. MAC section in FreeBSD Handbook.</p>
</body>
</project>
<project>
<title>busdma driver conversion project</title>
<contact>
<person>
<name>
<given>Maxime</given>
<common>Henrion</common>
</name>
<email>mux@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.FreeBSD.org/projects/busdma/" />
</links>
<body>
<p>This project has been coming along pretty well. The amd(4) and
xl(4) drivers have now been converted to use the busdma API,
sparc64 got the bus_dmamap_load_mbuf() and bus_dmamap_load_uio()
functions, and the gem(4) and hme(4) drivers have been updated
to use bus_dmamap_load_mbuf() instead of bus_dmamap_load().</p>
<p>A lot more still needs to be done, as shown on the project's
page. A fair number of conversions are on their way though,
and we can expect a fair number of drivers to be converted
soon, thanks to all the developers who are working on this
project.</p>
</body>
</project>
<project>
<title>FreeBSD C99 & POSIX Conformance Project</title>
<contact>
<person>
<name>
<given>Mike</given>
<common>Barcroft</common>
</name>
<email>mike@FreeBSD.org</email>
</person>
<person>
<name>
<common>FreeBSD-Standards Mailing List</common>
</name>
<email>standards@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.FreeBSD.org/projects/c99/" />
<url href="http://people.FreeBSD.org/~schweikh/posix-utilities.html" />
</links>
<body>
<p>The POSIX Utility Conformance in FreeBSD list (link above) has
been updated to reflect current reality. Not much work remains
to complete base utility conformance.</p>
<p>On the API front, grantpt(), posix_openpt(), unlockpt(),
wordexp(), and wordfree() were implemented. The header
<wordexp.h> was added.</p>
<p>There are currently about 40 unassigned tasks on our project's
status board ranging from documentation, utilities, to kernel
hacking. We would encourage any developers looking for something
to work on to check out the status board and see if anything
interests them.</p>
</body>
</project>
<project>
<title>Hardware Crypto Support Status</title>
<contact>
<person>
<name>
<given>Sam</given>
<common>Leffler</common>
</name>
<email>sam@FreeBSD.org</email>
</person>
</contact>
<body>
<p>The goal of this project is to import the OpenBSD kernel-level crypto
subsystem. This facility provides kernel- and user-level access to
hardware crypto devices for the calculation of cryptographic hashes,
ciphers, and public key operations. The main clients of this facility
are the kernel RNG (/dev/random), network protocols (e.g. IPsec), and
OpenSSL (through the /dev/crypto device).</p>
<p>This work will be part of the 5.0 release and has been committed to
the -stable source tree for inclusion in the 4.8 release.</p>
<p>Recent work has focused on improving performance. System statistics are
now maintained and an optional profiling facility was added for
analyzing performance. Using this facility the overhead for using the
crypto API has been significantly reduced.</p>
<p>The ubsec (Broadcom) driver was changed to significantly improve
performance under load. In addition several memory leaks were fixed in
the driver and the public key support was enabled for use.</p>
<p>Upcoming work will focus on load-balancing requests across multiple
crypto devices and integrating OpenSSL 0.9.7 which will automatically
enable application use of crypto hardware.</p>
</body>
</project>
<project>
<title>DEVD</title>
<contact>
<person>
<name>
<given>Warner</given>
<common>Losh</common>
</name>
<email>imp@FreeBSD.org</email>
</person>
</contact>
<body>
<p>Devd has been integrated into FreeBSD 5.0-RELEASE. The
integrated code supports a range of configuration options. The
config files are fully parsed now and their actions are
performed.</p>
<p>Future work in this area is likely to be limited to improving
the devctl interface. /dev/devctl likely will be a cloneable
device in future versions. Individual device control via devctl
is also planned.</p>
</body>
</project>
<project>
<title>Donations Team Status Report</title>
<contact>
<person>
<name>
<given>Michael</given>
<common>Lucas</common>
</name>
<email>donations@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.FreeBSD.org/donations/">Donations main page</url>
<url href="http://www.FreeBSD.org/donations/wantlist.html">FreeBSD
developer wantlist</url>
<url href="http://www.FreeBSD.org/donations/donors.html">
completed donations</url>
</links>
<body>
<p>The Donations project expedited several dozen donations during
2002, and was able to place most of what was offered. We still
are in dire need of SMP and Sparc systems. You can see
information on our needs and donations that have been handled by
the team on the donations web page.</p>
<p>We are relying increasingly upon the developer wantlist to
place items offered to the Project, and using the commit
statistics to help place items. As such, active committers who
ask for what they want beforehand have a decent chance of
getting it. Less active committers, and committers who do not
ask for what they want, will be lower in our priorities but will
not be excluded.</p>
<p>We are in the process of streamlining the tax deduction process
for donations, and hope to have news on that shortly. We are
also always working to accelerate and reduce our internal
processes, to get the most equipment in the hands of the most
people as quickly as possible.</p>
<p>I especially want to thank David O'Brien and Tom Rhodes for
stepping up and making the team far more successful. Also, the
FreeBSD Foundation has been quite helpful in handling
tax-deductible contributions.</p>
</body>
</project>
<project>
<title>Fast IPsec Status</title>
<contact>
<person>
<name>
<given>Sam</given>
<common>Leffler</common>
</name>
<email>sam@FreeBSD.org</email>
</person>
</contact>
<body>
<p>The main goal of this project is to modify the IPsec protocols to use
the kernel-level crypto subsystem imported from OpenBSD (see elsewhere).
A secondary goal is to do general performance tuning of the IPsec
protocols.</p>
<p>This work will be part of the 5.0 release. Performance has been improved
due to work on the crypto subsystem.</p>
</body>
</project>
<project>
<title>FFS volume label support</title>
<contact>
<person>
<name>
<given>Gordon</given>
<common>Tetlow</common>
</name>
<email>gordon@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://people.FreeBSD.org/~gordon/patches/volume.diff">Current patch set.</url>
</links>
<body>
<p>The goal of the project is to use a small amount of space in the FFS
superblock to store a volume label of the user's choice. A GEOM module
will then expose the volume labels into a namespace in devfs. The idea
is to make it easier to manage filesystems across disk swaps and
movement from system to system.</p>
<p>At this point, everything pretty much works. I've submitted parts of
the patch to respective subsystem maintainers for review. There are some
issues with namespace collision that I haven't addressed yet, but the
basic functionality is there</p>
</body>
</project>
<project>
<title>French FreeBSD Documentation Project</title>
<contact>
<person>
<name>
<given>Sebastien </given>
<common>Gioria</common>
</name>
<email>gioria@FreeBSD.org</email>
</person>
<person>
<name>
<given>Marc </given>
<common>Fonvieille</common>
</name>
<email>blackend@FreeBSD.org</email>
</person>
<person>
<name>
<given>Stéphane</given>
<common>Legrand</common>
</name>
<email>stephane@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.freebsd-fr.org">The French FreeBSD Documentation Project.</url>
<url href="http://www.freebsd-fr.org/index-trad.html">The FreeBSD Web Server translated in French.</url>
<url href="http://people.FreeBSD.org/~blackend/doc/fr_FR.ISO8859-1/books/handbook/"> Translation of the hanbook.</url>
<url href="http://www.FreeBSD-fr.info">French Daemon News like web site.</url>
</links>
<body>
<p>Most of the articles are translated too. Marc is still translating the
handbook, 60% is currently translated. Stéphane has began the
integration of our French localization web site in the US CVS Tree.
Sébastien is still maintaining the Release Notes.</p>
<p>We launched a new site, www.FreeBSD-fr.info, consisting in a French
Daemon News like site. Netasq have donated our new server; we will
install it in a new hosting provider in the few next weeks. One of the
big job now is the translation of the FAQ, and the big
project will be the manual pages.</p>
</body>
</project>
<project>
<title>FreeBSD GNOME Project</title>
<contact>
<person>
<name>
<given>Joe</given>
<common>Marcus</common>
</name>
<email>marcus@FreeBSD.org</email>
</person>
<person>
<name>
<given>Maxim</given>
<common>Sobolev</common>
</name>
<email>sobomax@FreeBSD.org</email>
</person>
<person>
<name>
<given>Adam</given>
<common>Weinberger</common>
</name>
<email>adamw@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.FreeBSD.org/gnome/">FreeBSD GNOME Project
Homepage.</url>
</links>
<body>
<p>Since the ports tree has been frozen for most of this reporting period,
there have not been too many GNOME updates going into the official CVS
tree. However, development has not stopped. GNOME 2.2 is nearing
completion, and quite a few FreeBSD users have stepped up to test the
GNOME 2.1 port sources from the
<a href="http://www.marcuscom.com:8080/cgi-bin/cvsweb.cgi">MarcusCom
CVS repository</a>. If anyone else is interested, follow the
instructions on the aforementioned cvsweb URL, and checkout the "ports"
module.</p>
<p>The upcoming FreeBSD 5.0-RELEASE will be the first release to have the
GNOME 2.0 desktop as the default GNOME desktop choice. During the
previously mentioned ports freeze, all the GNOME 2 ports were fixed up
so that they build and package on both i386 and Alpha platforms. Alas,
the one port that will not make the cut for Alpha is Mozilla. There are
still problems with the xpcom code, but work is ongoing to get a working
Alpha port.</p>
<p>Finally, the FreeBSD Mono (an OpenSource C# runtime) port has also
received some new life. Mono has been updated to 0.17 (the latest
released version), and Juli Mallett has ported gtk-sharp (GTK+ bindings
for C#).</p>
</body>
</project>
<project>
<title>FreeBSD/ia64 Status</title>
<contact>
<person>
<name>
<given>Peter</given>
<common>Wemm</common>
</name>
<email>peter@FreeBSD.org</email>
</person>
<person>
<name>
<given>Marcel</given>
<common>Moolenaar</common>
</name>
<email>marcel@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://people.FreeBSD.org/~peter/ia64.diff" />
<url href="http://www.FreeBSD.org/platforms/ia64/" />
</links>
<body>
<p>The ia64 port is up and running on the new Itanium2 based hp
machines thanks to a lot of hard work by Marcel Moolenaar. So
far we are running on the hp rx2600 as these were the machines
graciously donated by Hewlett-Packard and Intel. We had a
prototype Intel Tiger4 system for a while, but we had to return
the machine and we do not know if it currently runs. Most of
the changes necessary to run these are sitting in the perforce
tree and are not in the -current or RELENG_5 cvs tree. As a
result, the cvs derived builds (-current and the 5.0-RC series
and presumably 5.0-RELEASE) are only usable on obsolete Itanium1
systems.</p>
<p>Lots of other stability and functionality fixes have been made
over the last few months, including initial libc_r support. The
OS appears to be stable enough for sustained workloads - it is
building packages now, for example. We still do not have gdb
support, even for reading core files.</p>
</body>
</project>
<project>
<title>jpman project</title>
<contact>
<person>
<name>
<given>Kazuo</given>
<common>Horikawa</common>
</name>
<email>horikawa@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.jp.FreeBSD.org/man-jp/">jpman project</url>
</links>
<body>
<p>We have been updating our Japanese translated manual pages to
RELENG_5 based. All existing entries have been updated, but 15
exceptions are not, most of which require massive update. We
will also need to add translations which did not exist on RELENG_4.</p>
</body>
</project>
<project>
<title>KGI/FreeBSD Status Report</title>
<contact>
<person>
<name>
<given>Nicholas</given>
<common>Souchu</common>
</name>
<email>nsouch@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.FreeBSD.org/~nsouch/ggiport.html" />
<url href="http://www.kgi-project.org" />
</links>
<body>
<p>KGI (Kernel Graphic Interface) is a kernel infrastructure providing user
applications with means to access hardware graphic resources (dma,
irqs, mmio). KGI is already available under Linux as a separate
standalone project. The KGI/FreeBSD project aims at integrating KGI
in the FreeBSD kernel.</p>
<p>KGI/FreeBSD has been recently donated 2 PCI graphic cards (Matrox
Millennium II and a coming Mach64) and other have been proposed.
Please see the FreeBSD web pages for details. Thanks to donation@ for
organizing and promoting donations. Thanks to the donators for their
contribution to KGI/FreeBSD.</p>
<p>KGI/FreeBSD progressed fine the last months. Most of the VM issues for
mapping HW resources in user space have been addressed and a first
attempt of coding was made. This prototyping raised some API
compatibility problems with the current Linux implementation and was
discussed heavily on the kgi devel lists. Ask if you're
interested in such issues, I'll be pleased to share them.</p>
<p>Most of coding is now done. Let's start debugging!</p>
</body>
</project>
<project>
<title>SMP locking for network stack</title>
<contact>
<person>
<name>
<given>Jeffrey</given>
<common>Hsu</common>
</name>
<email>hsu@FreeBSD.org</email>
</person>
</contact>
<body>
<p> Work is ongoing to continue to lock up the network stack.
Recently, the focus has been on the IP stack. The plan there
involves a series of inter-related pieces to lock up the
ifaddr ref count, the inet list, the ifaddr uses, the ARP code,
the routing tree, and the routing entries. We are over 3/5 of
the way done down this path.</p>
<p>In addition to TCP and UDP, the other networking protocols
such as raw IP, IPv6, AppleTalk, and XNS need to be locked up.
Around 1/4 these remaining protocols have been locked and
will be committed after the IP stack is locked.</p>
<p>The protocol independent socket layer needs to be locked and
operating correctly with the protocol dependent locks. This
part is mostly done save for much needed testing and code cleanup.</p>
<p>Finally, a pass will be need to be made to lock up the devices drivers
and various statistics counters.</p>
</body>
</project>
<project>
<title>TCP congestion control</title>
<contact>
<person>
<name>
<given>Jeffrey</given>
<common>Hsu</common>
</name>
<email>hsu@FreeBSD.org</email>
</person>
</contact>
<links>
</links>
<body>
<p>This effort fixes some outstanding problems in our TCP
stack with regard to congestion control. The first
item is to fix our NewReno implementation. Following that,
the next urgent correction is to fix a problem involving window updates
and dupack counts. When that stabilizes, we will then change
the recovery code to make use of SACK information.
Eventually, this project will update the BSD stack to add Limited Transmit
and other new internet standards and standards-track improvements.</p>
</body>
</project>
<project>
<title>FreeBSD Package Cluster work</title>
<contact>
<person>
<name>
<given>Kris</given>
<common>Kennaway</common>
</name>
<email>kris@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://bento.FreeBSD.org/" />
</links>
<body>
<p>The 3 FreeBSD package clusters (i386, alpha, sparc64) have been
unified to run from the same master machine, instead of using 3
separate masters. This has freed up some machine resources to
use as additional client machine, as well as simplifying
administrative overheads. Build logs for all 3 architectures
can now be found on the http://bento.FreeBSD.org webpage. The
sparc64 package cluster now has 3 build machines (an u5 and two
u10s), and an ia64 cluster is about to be created.</p>
<p>Package builds now keep track of how many sequential times a
port has failed to build (html summaries are available on the
bento website). This allows tracking of ports which have
suddenly become broken (e.g. due to a bad upgrade, or due to
changes in the FreeBSD source tree), and in the future will be
used to send out notifications to port maintainers when their
port fails to build 5 times in a row. This feature is currently
experimental, and further code changes will be needed to
stabilize it.</p>
</body>
</project>
<project>
<title>Wireless Networking Status</title>
<contact>
<person>
<name>
<given>Sam</given>
<common>Leffler</common>
</name>
<email>sam@FreeBSD.org</email>
</person>
</contact>
<body>
<p>The goal of this project is to improve the wireless networking support in
the system. By the time of this report the 802.11 link layer code should
be committed. A version of the wi driver that uses this code should be
committed shortly. Conversion of other drivers is planned as are drivers
for new devices.</p>
<p>Support for 802.1x/EAP is the next planned milestone (both as a
supplicant and authenticator).</p>
</body>
</project>
<project>
<title>FreeBSD Release Engineering</title>
<contact>
<person>
<name>
<given>Scott</given>
<common>Long</common>
</name>
<email>re@FreeBSD.org</email>
</person>
</contact>
<links>
<url href="http://www.FreeBSD.org/releng/index.html">Release Engineering
Homepage</url>
</links>
<body>
<p>November and December were especially busy for the release engineering
team. Scott Long joined the team to help with secretary and
communications tasks while Brian Somers bowed out to focus on other
projects.</p>
<p>FreeBSD 5.0-DP2 was released in November after much delay and
anticipation, and marked the final milestone needed for 5.0 to
become a reality. Shortly after that, we imposed a code freeze on
the HEAD branch of CVS and released 5.0-RC1. Creation of the
RELENG_5_0 branch came next, followed by the release of 5.0-RC2 from
this branch. At this point, enough critical problems still existed
that we scheduled an RC3 release for the new year, and pushed the
final 5.0-RELEASE date to mid-January. By the time this is published,
FreeBSD 5.0-RELEASE should be a reality.</p>
<p>For the time being, there will not be a RELENG_5 (aka 5-STABLE)
branch. FreeBSD 4.x releases will continue, with 4.8 being
scheduled for March 2003. Release in the 4.x series will be
lead by Murray Stokely, and releases in the 5.x series will be
lead by Scott Long. Once HEAD has reached acceptable performance
and stability goals, the RELENG_5 branch will be created and HEAD
will move towards 6.0 development. We hope to reach this with
the 5.1 release this spring.</p>
</body>
</project>
<project>
<title>SMP aware scheduler</title>
<contact>
<person>
<name>
<given>Jeff</given>
<common>Roberson</common>
</name>
<email>jeff@FreeBSD.org</email>
</person>
</contact>
<body>
<p>A new scheduler will be available as an optional component along side
the current scheduler in the 5.1 release. It has been designed to
work well with KSE and SMP. Some ideas have been borrowed from solaris
and linux along with many novel approaches. It has O(1) performance
with regard to the number of processes in the system. It also has
cpu affinity which should provide a speed boost for many applications.</p>
<p>The scheduler has a few loose ends and lots of tuning before it is
production quality although it is quite stable. Please see the post
to arch and subsequent discussion for more details.</p>
</body>
</project>
</report>
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