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Marc-André Lureau acd53b97fb Fix dcc_start() regression 
Commit e9ed125d introduced a dead-lock regression by taking twice the
same lock recursively. The previous code checked if a dmabuf was set
without taking the lock, for queuing scanout messages. Since the message
is being processed later on, it make sense to queue and delay until it
is sent to check if there is a scanout.

backtrace:
 #0  red_qxl_get_gl_scanout (qxl_state=0x5555582373c0) at red-qxl.c:828
 #1  0x00007fffec1ae654 in marshall_gl_scanout (rcc=0x7fffda6a7010,
 #m=0x7fff44025e60, item=0x7fff440958a0) at dcc-send.c:2310
 #2  0x00007fffec1aec7b in dcc_send_item (dcc=0x7fffda6a7010,
 #pipe_item=0x7fff440958a0) at dcc-send.c:2441
 #3  0x00007fffec1730f6 in send_item (rcc=0x7fffda6a7010,
 #item=0x7fff440958a0) at display-channel.c:1963
 #4  0x00007fffec1504c3 in
 #red_channel_client_send_item (rcc=0x7fffda6a7010, item=0x7fff440958a0)
 #at red-channel.c:578
 #5  0x00007fffec152d98 in red_channel_client_push (rcc=0x7fffda6a7010)
 #at red-channel.c:1365
 #6  0x00007fffec1a387e in dcc_push_monitors_config (dcc=0x7fffda6a7010)
 #at dcc.c:563
 #7  0x00007fffec1a3489 in dcc_start (dcc=0x7fffda6a7010) at dcc.c:475

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Frediano Ziglio <fziglio@redhat.com>
2016-03-08 15:24:56 +00:00
build-aux Update git-version-gen to latest version 2013-12-11 16:32:36 +01:00
docs manual: Document path to vdagent logs on Windows 2015-11-19 18:57:25 +01:00
m4 m4: WARN FLAGS: Drop -Wenum-compare 2015-03-15 13:57:12 +02:00
server Fix dcc_start() regression 2016-03-08 15:24:56 +00:00
spice-common@fd9ba72f1a spice-common: pick up fix for uninitialized field 2016-02-03 13:16:29 +00:00
tests tests/migrate.py: add --vdagent 2011-08-23 17:01:14 +03:00
tools Add casts for compatibility purposes 2012-02-14 10:44:49 +02:00
uncrustify_cfg fresh start 2009-10-14 15:06:41 +02:00
.gitignore Update .gitignore files 2016-02-25 09:12:51 +00:00
.gitmodules Use the spice-common submodule 2012-03-25 18:59:10 +02:00
.mailmap syntax-check: Fix missing AUTHORS 2016-01-08 11:23:44 +00:00
.travis.yml Add travis CI file 2015-11-27 20:21:24 +01:00
AUTHORS syntax-check: Fix missing AUTHORS 2016-01-08 11:23:44 +00:00
autogen.sh build-sys: Pass --enable-python-checks when running autogen.sh 2015-04-23 10:38:24 +02:00
cfg.mk syntax-check: Fix sc_cast_of_argument_to_free 2016-01-08 11:24:17 +00:00
ChangeLog fresh start 2009-10-14 15:06:41 +02:00
configure.ac configure: Require spice-protocol-0.12.11 at least 2016-02-25 09:12:35 +00:00
COPYING Relicense everything from GPL to LGPL 2.1+ 2010-04-13 22:22:15 +02:00
GNUmakefile Add a 'syntax-check' make target 2012-01-13 18:12:00 +02:00
maint.mk syntax-check: Ignore .png files in sc_trailing_blank test 2015-10-19 14:25:36 +02:00
Makefile.am build-sys: remove --enable-opengl 2015-11-27 20:19:59 +01:00
NEWS Remove GSlice use 2016-01-14 16:39:36 +00:00
README Revise the spice client and server to use the new snd_codec functions in spice-common. 2014-01-02 12:34:34 +01:00
spice-server.pc.in build-sys: Require a new enough spice-protocol in .pc file 2015-08-26 11:01:09 +02:00
TODO.multiclient Remove trailing whitespace from end of lines 2012-01-13 18:11:59 +02:00

README 

   SPICE: Simple Protocol for Independent Computing Environments
   =============================================================

SPICE is a remote display system built for virtual environments which
allows you to view a computing 'desktop' environment not only on the
machine where it is running, but from anywhere on the Internet and
from a wide variety of machine architectures.

Installation
------------

The SPICE package uses GNU autotools, so the build install process
follows the standard process documented in the INSTALL file. As a
quick start you can do

  ./configure --prefix=/usr --sysconfdir=/etc \
        --localstatedir=/var --libdir=/usr/lib
  make
  sudo make install

Or to install into a private user specific location

  ./configure --prefix=$HOME/spice
  make
  make install

The following mandatory dependancies are required in order to
build SPICE

    Spice protocol >= 0.9.0
    Pixman         >= 0.17.7
    OpenSSL
    libjpeg
    zlib
    Cyrus-SASL

The following optional dependancies increase the available
functionality

    GE Gui         >= 0.6.0,  < 0.7.0   (GUI app support)
    OpenGL                              (GUI app support)
    Alsa                                (Linux support)
    XRandR         >= 1.2               (X11 support)
    Xinerama       >= 1.0               (X11 support)
    libcacard      >= 0.1.2             (Smartcard support)

Communication
-------------

To communicate with the development team, or to post patches
there is a technical mailing list:

   http://lists.freedesktop.org/mailman/listinfo/spice-devel

There is also a mailing list for new release announcements:

   http://lists.freedesktop.org/archives/spice-announce/

To view known bugs, or report new bugs, in SPICE visit

   https://bugs.freedesktop.org/describecomponents.cgi?product=Spice

Bugs found when using an OS distribution's binary packages should
be reported to the OS vendors' own bug tracker first.

The latest SPICE code can be found in GIT at:

   http://cgit.freedesktop.org/spice/

Licensing
---------

SPICE is provided under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

Please see the COPYING file for the complete LGPLv2+ license
terms, or visit <http://www.gnu.org/licenses/>.

Experimental Features
---------------------
To enable multiple client connections, set:
SPICE_DEBUG_ALLOW_MC=1

-- End of readme