XFree86: Difference between revisions
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As Linux grew in popularity, XFree86 rose with it, as the main X project with drivers for PC video cards. |
As Linux grew in popularity, XFree86 rose with it, as the main X project with drivers for PC video cards. |
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By the late 1990s, official X development was moribund.<ref>[http://www.computerworld.com/softwaretopics/software/appdev/story/0,10801,67861,00.html Q&A: The X Factor] {{webarchive |
By the late 1990s, official X development was moribund.<ref>[http://www.computerworld.com/softwaretopics/software/appdev/story/0,10801,67861,00.html Q&A: The X Factor] {{webarchive|url=https://web.archive.org/web/20050114191427/http://www.computerworld.com/softwaretopics/software/appdev/story/0%2C10801%2C67861%2C00.html |date=January 14, 2005 }}, By Robert L. Mitchell, February 4, 2002, Computerworld Inc</ref> Most technical advancement was happening in the XFree86 project. In 1999, XFree86 was sponsored onto X.Org (the official industry consortium) by various hardware companies interested in its use with Linux and its status as the most popular version of X.<ref>[http://slashdot.org/article.pl?sid=99/12/01/1342251&tid=104 XFree86 joins X.Org as Honorary Member], Posted by CmdrTaco on Dec 01, 1999, Slashdot</ref> |
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=== 2002: growing dissent within the project === |
=== 2002: growing dissent within the project === |
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=== 2004: Licensing controversy === |
=== 2004: Licensing controversy === |
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Versions of XFree86 up to and including some release candidates for 4.4.0 were under the [[MIT License]], a [[permissive free software license|permissive]], non-[[copyleft]] free software license. In February 2004, XFree86 4.4 was released with a change to the XFree86 license, by adding a credit clause,<ref>{{cite web|url=http://www.xfree86.org/legal/licenses.html |title=XFree86 Licenses| accessdate=2008-05-02| publisher=XFree86 Project, Inc.| date=2005-01-01}}</ref> similar to that in the original [[BSD license]],<ref>{{cite web|url=http://www.xfree86.org/pipermail/forum/2004-January/001892.html |title=Announcement: Modification to the base XFree86 license |accessdate=2007-07-12 |last=Dawes |first=David |date=2004-01-29 |publisher=XFree86 Project }}</ref> but broader in scope. The newer terms are referred to as the XFree86 License 1.1. |
Versions of XFree86 up to and including some release candidates for 4.4.0 were under the [[MIT License]], a [[permissive free software license|permissive]], non-[[copyleft]] free software license. In February 2004, XFree86 4.4 was released with a change to the XFree86 license, by adding a credit clause,<ref>{{cite web|url=http://www.xfree86.org/legal/licenses.html |title=XFree86 Licenses| accessdate=2008-05-02| publisher=XFree86 Project, Inc.| date=2005-01-01}}</ref> similar to that in the original [[BSD license]],<ref>{{cite web |url=http://www.xfree86.org/pipermail/forum/2004-January/001892.html |title=Announcement: Modification to the base XFree86 license |accessdate=2007-07-12 |last=Dawes |first=David |date=2004-01-29 |publisher=XFree86 Project |deadurl=yes |archiveurl=https://web.archive.org/web/20070930185719/http://www.xfree86.org/pipermail/forum/2004-January/001892.html |archivedate=2007-09-30 |df= }}</ref> but broader in scope. The newer terms are referred to as the XFree86 License 1.1. |
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Many projects relying on XFree86 found the new license unacceptable,<ref>{{cite web|url=http://yro.slashdot.org/yro/04/02/18/131223.shtml?tid=104 |title= XFree86 4.4: List of Rejecting Distributors Grows |accessdate=2007-07-12 |date=2004-02-18 |publisher=[[Slashdot]] }}</ref> and the [[Free Software Foundation]] considers it incompatible with the version 2 of the [[GNU General Public License]], though compatible with version 3.<ref>{{cite web|url=https://www.gnu.org/licenses/license-list.html#XFree861.1License |title=Various Licenses and Comments about Them |accessdate=2013-03-12 |publisher=[[Free Software Foundation]] }}</ref> The XFree86 Project states that the license is "as GPL compatible as any and all previous versions were", but does not mention which version or versions of the GPL this is valid for.<ref>{{cite web|url=http://www.xfree86.org/legal/licenses.html |title=XFree86 Licenses |accessdate=2007-07-12 |date=2005-01-01 |publisher=XFree86 Project }}</ref> |
Many projects relying on XFree86 found the new license unacceptable,<ref>{{cite web|url=http://yro.slashdot.org/yro/04/02/18/131223.shtml?tid=104 |title= XFree86 4.4: List of Rejecting Distributors Grows |accessdate=2007-07-12 |date=2004-02-18 |publisher=[[Slashdot]] }}</ref> and the [[Free Software Foundation]] considers it incompatible with the version 2 of the [[GNU General Public License]], though compatible with version 3.<ref>{{cite web|url=https://www.gnu.org/licenses/license-list.html#XFree861.1License |title=Various Licenses and Comments about Them |accessdate=2013-03-12 |publisher=[[Free Software Foundation]] }}</ref> The XFree86 Project states that the license is "as GPL compatible as any and all previous versions were", but does not mention which version or versions of the GPL this is valid for.<ref>{{cite web|url=http://www.xfree86.org/legal/licenses.html |title=XFree86 Licenses |accessdate=2007-07-12 |date=2005-01-01 |publisher=XFree86 Project }}</ref> |
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{{Refbegin}} |
{{Refbegin}} |
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* [http://www.skytel.co.cr/bsd/research/1992/1003.htm Announcing the release of XFree86 1.1]{{dead link|date=July 2016 |bot=InternetArchiveBot |fix-attempted=yes }} |
* [http://www.skytel.co.cr/bsd/research/1992/1003.htm Announcing the release of XFree86 1.1]{{dead link|date=July 2016 |bot=InternetArchiveBot |fix-attempted=yes }} |
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* [ |
* [https://archive.is/20130105121229/http://www.skytel.co.cr/bsd/research/1993/0214.htm Announcing the release of XFree86 1.2] |
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* [http://www.skytel.co.cr/bsd/research/1993/0616.htm Announcing the release of XFree86 1.3]{{dead link|date=July 2016 |bot=InternetArchiveBot |fix-attempted=yes }} |
* [http://www.skytel.co.cr/bsd/research/1993/0616.htm Announcing the release of XFree86 1.3]{{dead link|date=July 2016 |bot=InternetArchiveBot |fix-attempted=yes }} |
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* [https://web.archive.org/web/20160303225603/http://cvsweb.openbsd.mirror.frontiernet.net/cgi-bin/cvsweb/~checkout~/X11/xc/programs/Xserver/hw/xfree86/CHANGELOG.R5?rev=1.1.1.1 xfree86/CHANGELOG.R5?rev=1.1.1.1] |
* [https://web.archive.org/web/20160303225603/http://cvsweb.openbsd.mirror.frontiernet.net/cgi-bin/cvsweb/~checkout~/X11/xc/programs/Xserver/hw/xfree86/CHANGELOG.R5?rev=1.1.1.1 xfree86/CHANGELOG.R5?rev=1.1.1.1] |
Revision as of 20:58, 26 July 2017
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Developer(s) | The XFree86 Project, Inc. |
---|---|
Initial release | 1991 | (as X386)
Final release | 4.8.0
/ December 15, 2008 |
Repository |
|
Written in | C |
Operating system | Cross-platform |
Available in | Various |
Type | Display server |
License | XFree86 License 1.1 |
Website | www.xfree86.org |
XFree86 was an implementation of the X Window System. It was originally written for Unix-like operating systems on IBM PC compatibles and was available for many other operating systems and platforms. It is free and open source software under the XFree86 License version 1.1. It was developed by the XFree86 Project, Inc. The lead developer was David Dawes. The last released version was 4.8.0, released December 2008. The last XFree86 CVS commit was made on May 18, 2009;[1] the project was confirmed dormant in December 2011.[2]
For most of the 1990s and early 2000s, the project was the source of most innovation in X and was the de facto steward of X development. Until early 2004, it was almost universal on Linux and the BSDs.
In February 2004, with version 4.4.0, The XFree86 Project adopted a license change that the Free Software Foundation considered GPL incompatible. Most open source operating systems using XFree86 found this unacceptable and moved to a fork from before the license change.[3] The first fork was the abortive Xouvert, but X.Org Server soon became dominant. Most XFree86 developers also moved to X.Org.
Usage
While XFree86 was widely used by most UNIX-like computer operating systems before its license change with version 4.4.0, it has since then been superseded by X.org and is used rarely nowadays. The last remaining operating system distribution to use it is NetBSD, which still ships some platforms with 4.5.0 by default.[4] NetBSD 5.0 and later releases use X.org by default on various ports (including i386 and amd64), and X.org is available through NetBSD pkgsrc for architectures for which XFree86 remains the default because of better support.[5]
Architecture
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Schema_of_the_layers_of_the_graphical_user_interface.svg/300px-Schema_of_the_layers_of_the_graphical_user_interface.svg.png)
The XFree86 server communicates with the host operating system's kernel to drive input and output devices, with the exception of graphics cards. These are generally managed directly by XFree86, so it includes its own drivers for all graphic cards a user might have. Some cards are supported by vendors themselves via binary-only drivers.
Since version 4.0, XFree86 has supported certain accelerated 3D graphics cards via the GLX and DRI extensions. Also in the version 4.0, XFree86 moved to a new driver model, from one X server binary per driver to a unique X server capable of loading several drivers at a time.
Because the server usually needs low level access to graphics hardware, on many configurations it needs to run as the superuser, or a user with UID 0. However, on some systems and configurations it is possible to run the server as a normal user.
It is also possible to use XFree86 in a framebuffer device, which in turn uses a kernel graphics card driver.
On a typical POSIX-system, the directory /etc/X11 includes the configuration files. The basic configuration file is /etc/X11/XF86Config (or XF86Config-4) that includes variables about the screen (monitor), keyboard and graphics card. The program xf86config is often used, although xf86cfg also comes with the XFree86 server and is certainly friendlier. Many Linux distributions used to include a configuration tool that was easier to use (such as Debian's debconf) or autodetected most (if not all) settings (Red Hat Linux and Fedora's Anaconda, SuSE's YaST and Mandrake Linux used to choose this path).
History
Early history and naming
The project began in 1992 when David Wexelblat, Glenn Lai, David Dawes and Jim Tsillas joined forces addressing bugs in the source code of the X386 X display server (written by Thomas Roell), as contributed to X11R5. This version was initially called X386 1.2E. As newer versions of the (originally freeware) X386 were being sold under a proprietary software license by SGCS (of which Roell was a partner), confusion existed between the projects. After discussion, the project was renamed XFree86, as a pun (compare X-three-eighty-six to X-free-eighty-six). Roell has continued to sell proprietary X servers, most recently under the name Accelerated-X.
Rise with Linux
As Linux grew in popularity, XFree86 rose with it, as the main X project with drivers for PC video cards.
By the late 1990s, official X development was moribund.[6] Most technical advancement was happening in the XFree86 project. In 1999, XFree86 was sponsored onto X.Org (the official industry consortium) by various hardware companies interested in its use with Linux and its status as the most popular version of X.[7]
2002: growing dissent within the project
By 2002, while Linux's popularity, and hence the installed base of X, surged, X.Org was all but inactive; active development was largely carried out by XFree86.[8] However, there was considerable dissent within XFree86.
XFree86 used to have a Core Team which was made up of experienced developers, selected by other Core Team members for their merits. Only the members of this Core Team were allowed to commit to CVS. This was perceived as far too cathedral-like in its development model: developers were unable to get commit rights quickly and vendors ended up maintaining extensive patches.[9][10]
A key event was Keith Packard losing his commit rights. Hours before the feature freeze window for XFree86 4.3.0 started, he committed the XFIXES extension, without prior discussion or without review within the Core Team. The Core Team decided to remove Keith's commit access, but without removing him from the Core Team itself, and the XFIXES extension was backed out 6 weeks later.[11][12]
2003: The fork and the disbanding of the Core Team
In March, the Core Team claimed that Keith Packard had been trying to fork the XFree86 project by working inside the project while trying to attract core developers to a new X Server project of his own making. Packard denied this had been his aim, but some emails were provided as evidence otherwise.[13] Keith Packard was subsequently expelled from the Core Team.[14][15][16]
A short time later, Keith Packard created xwin.org, which mainly served as a meeting point for cultivating the XFree86 fork.[17] The rest of the year, many of the developers that were still active at XFree86 went over to the project that was being set up at the freedesktop.org and X.org domains.[18]
By the end of the year, due to dwindling active membership and limited remaining development capacity, the XFree86 Core Team voted to disband itself.[19]
2004: Licensing controversy
Versions of XFree86 up to and including some release candidates for 4.4.0 were under the MIT License, a permissive, non-copyleft free software license. In February 2004, XFree86 4.4 was released with a change to the XFree86 license, by adding a credit clause,[20] similar to that in the original BSD license,[21] but broader in scope. The newer terms are referred to as the XFree86 License 1.1. Many projects relying on XFree86 found the new license unacceptable,[22] and the Free Software Foundation considers it incompatible with the version 2 of the GNU General Public License, though compatible with version 3.[23] The XFree86 Project states that the license is "as GPL compatible as any and all previous versions were", but does not mention which version or versions of the GPL this is valid for.[24]
Some projects made releases (notably OpenBSD 3.5 and 3.6, and Debian 3.1 "Sarge") based on XFree86 version 4.4 RC2, the last version under the old license. Most operating systems incorporating XFree86 (including later versions of OpenBSD and Debian) migrated to the X.Org Server.[3]
The last code commit was in 2009; the project was confirmed dormant in 2011.[2]
Forks of XFree86
Xwin
Shortly after he was expelled from the XFree86 Core Team, Keith Packard started setting up xwin.org.[25] While this was claimed to be the fork of XFree86,[26] Keith Packard later refined this to "a forum for community participation in X".[27] Xwin saw a lot of activity in the first two months after the announcements, but most of the activity was happening behind the scenes, and Keith moved his own development to freedesktop.org.[28]
Xouvert
Xouvert was later also hailed as the first XFree86 fork in August 2003.[29] Even though releases were announced for October 2003 and April 2004,[30] no releases were made. The last status change was made in March 2004 and it was communicated that there were delays in setting up a revision control system.[31]
X.Org
The X.Org Server became the official reference implementation of X11. The first version, X11R6.7.0, was forked from XFree86 version 4.4 RC2 to avoid the XFree86 license changes, with X11R6.6 changes merged in. Version X11R6.8 added many new extensions, drivers and fixes. It is hosted by and works closely with corporate-sponsored freedesktop.org.
Most of the open-source Unix-like operating systems have adopted the X.Org Server in place of XFree86, and most of the XFree86 developers have moved to X.Org.
Release history
Version | Release date | Most important changes |
---|---|---|
X386 1.1 | February 11, 1991 | First X386 version by Thomas Roell, based on X11R4. |
X386 1.2 | August 29, 1991 | Included with X11R5. |
X386 1.2E 0.0 | May 7, 1992 | First pre-XFree86 code by eventual team members. |
X386 1.2E 1.0 | July 18, 1992 | |
X386 1.2E 1.0.1 | July 23, 1992 | |
X386 1.2E 1.0.2 | August 8, 1992 | |
XFree86 1.0m | September 2, 1992 | First version named "XFree86". |
XFree86 1.1 | October 1, 1992 | |
XFree86 1.2 | February 8, 1993 | |
XFree86 1.3 | June 5, 1993 | |
XFree86 2.0 | October 24, 1993 | |
XFree86 2.1 | March 11, 1994 | |
XFree86 2.1.1 | May 4, 1994 | Last version based on X11R5. |
XFree86 3.0 | August 26, 1994 | Release for X11R6. |
XFree86 3.1 | September 29, 1994 | |
XFree86 3.1.2 | August 1995 | |
XFree86 3.2 | October 26, 1996 | |
XFree86 3.2.1 | December 1996 | |
XFree86 3.3 | May 30, 1997 | XFree86 Acceleration Architecture (XAA) |
XFree86 3.3.1 | August 8, 1997 | |
XFree86 3.3.2 | May 24, 1998 | |
XFree86 3.3.3 | December 30, 1998 | |
XFree86 3.3.3.1 | December 31, 1998 | |
XFree86 3.3.4 | June 21, 1999 | |
XFree86 3.3.5 | August 17, 1999 | |
XFree86 3.3.6 | December 31, 1999 | Last 3.x version. |
XFree86 4.0 | March 8, 2000 | Complete new architecture. X11R6.4 included. |
XFree86 4.0.1 | June 30, 2000 | XRender |
XFree86 4.0.2 | December 18, 2000 | |
XFree86 4.0.3 | March 16, 2001 | |
XFree86 4.0.4 | April 2001 | |
XFree86 4.1.0 | June 2, 2001 | |
XFree86 4.2.0 | January 18, 2002 | |
XFree86 4.2.1 | September 3, 2002 | |
XFree86 4.3.0 | February 26, 2003 | |
XFree86 4.4 RC2 | December 19, 2003[32] | Forked to X.Org Server |
XFree86 4.4.0 | February 29, 2004 | First version under XFree86 License 1.1. |
XFree86 4.5.0 | March 16, 2005 | |
XFree86 4.6.0 | March 10, 2006 | |
XFree86 4.7.0 | August 12, 2007 | |
XFree86 4.8.0 | December 15, 2008 | |
Old version Latest version |
See also
References
- ^ cvs-commit. Mail-archive.com. Retrieved on 2013-09-07.
- ^ a b Marc Aurele La France: Is there ever going to be a new version of xfree86 XFree86-Forum, December 3rd. 2011
- ^ a b Wheeler, David A. (2007-07-06). "The Cautionary Tale of XFree86". Retrieved 2007-07-12.
- ^ xsrc/xfree/xc/. Cvsweb.netbsd.org (2003-12-19). Retrieved on 2013-09-07.
- ^ "Announcing NetBSD 5.0".
- ^ Q&A: The X Factor Archived January 14, 2005, at the Wayback Machine, By Robert L. Mitchell, February 4, 2002, Computerworld Inc
- ^ XFree86 joins X.Org as Honorary Member, Posted by CmdrTaco on Dec 01, 1999, Slashdot
- ^ (forum) Another teleconference partial edited transcript Archived February 12, 2005, at the Wayback Machine, By Mike A. Harris, 13 Apr 2003
- ^ (forum) Keith Packard issue Archived February 12, 2005, at the Wayback Machine By Ralf Nolden, 20 Mar 2003
- ^ Advogato: Blog for mharris
- ^ (forum) Suggestion for XFree86 Archived April 23, 2010, at the Wayback Machine, By David Dawes, 20 Mar 2003
- ^ CVS commit: Finish removing XFIXES Archived June 15, 2011, at the Wayback Machine, By David Dawes, 12 Jan 2003
- ^ (forum) Some perspective from the cheap seats ... Archived February 28, 2004, at the Wayback Machine, By David Wexelblat, March 20, 2003
- ^ (forum) Invitation for public discussion about the future of X Archived February 12, 2005, at the Wayback Machine, By XFree86 BOD, 20 Mar 2003
- ^ (forum) A Call For Open Governance Of X Development Archived February 12, 2005, at the Wayback Machine, By Keith Packard, 21 Mar 2003
- ^ (forum) Notes from a teleconference held 2003-3-27 Archived February 12, 2005, at the Wayback Machine, By Keith Packard, 03 Apr 2003
- ^ (Archived) XWin front page, By Keith Packard and others, 11 Apr 2003
- ^ (Archived) X.org software page at xwin.org, by Kaleb Keithley, 18 Nov 2003
- ^ (devel) Core Team disbands, By David Dawes, 30 Dec 2003
- ^ "XFree86 Licenses". XFree86 Project, Inc. 2005-01-01. Retrieved 2008-05-02.
- ^ Dawes, David (2004-01-29). "Announcement: Modification to the base XFree86 license". XFree86 Project. Archived from the original on 2007-09-30. Retrieved 2007-07-12.
{{cite web}}
: Unknown parameter|deadurl=
ignored (|url-status=
suggested) (help) - ^ "XFree86 4.4: List of Rejecting Distributors Grows". Slashdot. 2004-02-18. Retrieved 2007-07-12.
- ^ "Various Licenses and Comments about Them". Free Software Foundation. Retrieved 2013-03-12.
- ^ "XFree86 Licenses". XFree86 Project. 2005-01-01. Retrieved 2007-07-12.
- ^ (Archived) XWin front page, By Keith Packard and others, 11 Apr 2003
- ^ Keith Packard's Xfree86 Fork Officially Started, Slashdot, 11 Apr 2003
- ^ xwin.org goals by Keith Packard, 12 Apr 2003."Archived copy". Archived from the original on December 6, 2003. Retrieved September 13, 2012.
{{cite web}}
: Unknown parameter|deadurl=
ignored (|url-status=
suggested) (help)CS1 maint: archived copy as title (link) - ^ Screenshots from freedesktop.org's New X Server Osnews, 11 Nov 2003
- ^ XFree86 Fork Gets a Name, Website by Piethein Strengholt, 17 Aug 2003
- ^ The Xouvert Project by Jonathan Corbet, 20 Aug 2003
- ^ (archived) Xouvert front page, Mar 28, 2004.
- ^ XFree86 4.4.0 RC2 (fwd). Spinics.net (2003-12-19). Retrieved on 2013-09-07.
- Notes
- Announcing the release of XFree86 1.1[permanent dead link]
- Announcing the release of XFree86 1.2
- Announcing the release of XFree86 1.3[permanent dead link]
- xfree86/CHANGELOG.R5?rev=1.1.1.1
- X Marks the Spot: Looking back at X11 Developments of Past Year (Oscar Boykin, OSNews February 25, 2004) — the licensing controversy and forks
- The History of XFree86: Over a Decade of Development (Michael J. Hammel, Linux Magazine, December 2001)
- Some perspective from the cheap seats ... (David Wexelblat, March 20, 2003) — on why Keith Packard was sacked from the core team
- A Call For Open Governance Of X Development (Keith Packard, March 21, 2003)
- XFree86 dust-up questions X11 model (Andrew Orlowski, The Register, March 21, 2003)
- The Cautionary Tale of XFree86 (from Make Your Open Source Software GPL-Compatible. Or Else. by David A. Wheeler, February 16, 2005)