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Doug Brown 4898415c6b dri2: Protect against dri2ClientPrivate assertion failures 
If DRI2ScreenInit hasn't been called yet, DRI2Authenticate and
DRI2CreateDrawable2 cause the X server to crash. This has been observed
to happen on multiple modern Linux distros in various conditions,
including QEMU and VMware VMs. Make these functions more robust in order
to prevent the crash.

This patch was originally provided by Bernhard Übelacker and expanded
upon by Mark Wagner.

Signed-off-by: Doug Brown <doug@schmorgal.com>
Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1053
Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1534
 		2024-09-19 15:03:01 +02:00
.gitlab-ci (!1675) ci: enable xv and xvmc 2024-09-18 17:23:09 +02:00
Xext (!1695) dix: unexport Ones() 2024-09-19 15:03:01 +02:00
Xi (!1688) os: unexport internal logging functions 2024-09-18 17:23:12 +02:00
composite (!1695) dix: unexport Ones() 2024-09-19 15:03:01 +02:00
config (!1688) os: unexport internal logging functions 2024-09-18 17:23:12 +02:00
damageext (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-09-18 17:23:12 +02:00
dbe (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-09-18 17:23:12 +02:00
dix dix: lookup function for WindowPtr by XID 2024-09-19 15:03:01 +02:00
doc dix: move colormap flags into colormap_priv.h and rename them 2024-09-01 22:06:50 +00:00
dri3 (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-09-18 17:23:12 +02:00
exa (submit/drop-obsolete-have-dix-config.h) drop obsolete HAVE_DIX_CONFIG_H 2024-09-18 17:23:11 +02:00
fb (!1695) dix: unexport Ones() 2024-09-19 15:03:01 +02:00
glamor (submit/drop-obsolete-have-dix-config.h) drop obsolete HAVE_DIX_CONFIG_H 2024-09-18 17:23:11 +02:00
glx (!1691) os: log: replace LogMessageVerbSigSafe() by LogMessageVerb() 2024-09-19 15:03:01 +02:00
hw dri2: Protect against dri2ClientPrivate assertion failures 2024-09-19 15:03:01 +02:00
include (!1700) meson: drop defining BIGREQS 2024-09-19 15:03:01 +02:00
man Xserver.man: Note that -byteswappedclients is the default in this release 2024-03-23 10:27:03 -07:00
mi (!1691) os: log: replace ErrorFSigSafe() by ErrorF() 2024-09-19 15:03:01 +02:00
miext (submit/xnest-gcrec) fix name clash on 'GC' between Xlib and Xserver 2024-09-18 17:23:12 +02:00
os os: replace GenerateRandomData() by custom arc4random_buf() on platforms that missing it 2024-09-19 15:03:01 +02:00
present (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-09-18 17:23:12 +02:00
pseudoramiX (!1690) pseudoramiX: fix warning from unused REQUEST() macro calls 2024-09-19 15:03:01 +02:00
randr (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-09-18 17:23:12 +02:00
record WIP: reorder includes 2024-09-19 15:03:01 +02:00
render (!1695) dix: unexport Ones() 2024-09-19 15:03:01 +02:00
test (!1691) os: log: replace LogMessageVerbSigSafe() by LogMessageVerb() 2024-09-19 15:03:01 +02:00
xfixes (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-09-18 17:23:12 +02:00
xkb (!1695) dix: unexport Ones() 2024-09-19 15:03:01 +02:00
.appveyor.yml appveyor: Add libxcvt build dep 2021-11-04 13:03:25 +00:00
.dir-locals.el .dir-locals.el: Add missing final newline 2019-10-01 17:05:28 +00:00
.gitignore Clean up the .gitignore file 2024-01-12 00:50:24 +00:00
.gitlab-ci.yml ci: always build with drivers 2024-09-19 15:03:01 +02:00
.mailmap Add a .mailmap file to canonicalize author names and emails 2023-03-15 18:10:51 +00:00
.travis.yml travis: Add OSX meson build to matrix 2019-05-02 15:42:58 +00:00
COPYING modesetting: Merge modesetting's COPYING into the xserver's. 2014-09-15 12:46:02 -07:00
README.md Fix spelling/wording issues 2020-07-05 13:07:33 -07:00
meson.build (!1688) meson.build: move writing conf_data into tail of main meson file 2024-09-18 17:23:12 +02:00
meson_options.txt os: drop SUN-DES-1 authentication 2024-06-18 00:52:11 +00:00
xorg-server.m4 xorg-server.m4: just all cflags instead of just sdkdir 2018-09-20 20:12:24 +01:00
xorg-server.pc.in xfree86: link modules against Xorg symbols on Cygwin 2012-04-05 21:57:07 -05:00
xserver.ent.in doc: relocate xserver.ent in the package root directory 2011-05-14 11:22:26 -07:00

README.md

X Server

The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.

Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.

For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server

All questions regarding this software should be directed at the Xorg mailing list:

https://lists.freedesktop.org/mailman/listinfo/xorg

The primary development code repository can be found at:

https://gitlab.freedesktop.org/xorg/xserver

For patch submission instructions, see:

https://www.x.org/wiki/Development/Documentation/SubmittingPatches

As with other projects hosted on freedesktop.org, X.Org follows its Code of Conduct, based on the Contributor Covenant. Please conduct yourself in a respectful and civilized manner when using the above mailing lists, bug trackers, etc:

https://www.freedesktop.org/wiki/CodeOfConduct