#53 [xcb] Unknown request in queue while dequeuing xcb_io.c:179: dequeue_pending_request: Assertion Failed

[Patrick Trauquesègues]

[xcb] Unknown request in queue while dequeuing

No action since year 3.
Debian Stable: Linux atilde 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08) x86_64 GNU/Linux

could be there :
https://www.google.com/search?q="xcb_io.c:179"
https://openclassrooms.com/forum/sujet/unknown-request-in-queue-while-dequeuing
http://stackoverflow.com/questions/31952711/threading-pyqt-crashes-with-unknown-request-in-queue-while-dequeuing
http://en.sfml-dev.org/forums/index.php?topic=14853.0

$ opencity --generator-map 1 --generator-tree-density 1
Welcome to opencity-0.0.6
Copyright (C) by Duong Khang NGUYEN. All rights reserved.
web : http://www.opencity.info
email: neoneurone @ gmail com

This program is released under the terms of
GNU General Public License (See the COPYING file for more details)

Starting OpenCity standalone/client application...

<option> --generator-map detected </option><option> --generator-tree-density detected <info> Failed to initialized BinReloc routines to search for the datadir. The error was: 4 <info> Failed to initialized BinReloc routines to search for the confdir. The error was: 4 <info> Detected data directory : /usr/share/games/opencity/ <info> Detected config directory : /etc/opencity/ <info> Detected save directory : /home/a/.opencity/ <info> Reading XML config file: "/etc/opencity/config/opencity.xml" <info> Loading default OpenGL driver... <info> Using 750x560 at 32 bpp <info> Current video driver: x11 <info> Video double buffer supported <info> GL_EXT_texture3D supported <info> Loaded 0 musics. <info> Loaded 7 sounds. <info> Happy new year ! Income: 2600 d/m/y: 1/1/1 R/C/I: 1444/769/1403 <info> Happy new year ! Income: 5042 d/m/y: 1/1/2 R/C/I: 2452/781/2324 <info> Happy new year ! Income: 7627 d/m/y: 1/1/3 R/C/I: 3137/791/3444 <info> Happy new year ! Income: 8628 d/m/y: 1/1/4 R/C/I: 2812/791/4273 [xcb] Unknown request in queue while dequeuing [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called [xcb] Aborting, sorry about that. opencity: ../../src/xcb_io.c:179: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed. Abandon </info></info></info></info></info></info></info></info></info></info></info></info></info></info></info></info></info></option>