ufo crash

---- endianness initialization -----
found little endian system

---- filesystem initialization -----
Adding game dir: /usr/local/games/ufo//base
Added packfile /usr/local/games/ufo//base/0base.pk3 (15 files)
Added packfile /usr/local/games/ufo//base/0maps.pk3 (42 files)
Added packfile /usr/local/games/ufo//base/0materials.pk3 (54 files)
Added packfile /usr/local/games/ufo//base/0media.pk3 (19 files)
Added packfile /usr/local/games/ufo//base/0models.pk3 (1942 files)
Added packfile /usr/local/games/ufo//base/0music.pk3 (64 files)
Added packfile /usr/local/games/ufo//base/0pics.pk3 (1056 files)
Added packfile /usr/local/games/ufo//base/0shaders.pk3 (37 files)
Added packfile /usr/local/games/ufo//base/0snd.pk3 (362 files)
Added packfile /usr/local/games/ufo//base/0textures.pk3 (2734 files)
Added packfile /usr/local/games/ufo//base/0ufos.pk3 (135 files)
Could not load '/usr/local/games/ufo//base/0videos.pk3'
Adding game dir: ./base
Added packfile ./base/0base.pk3 (15 files)
Added packfile ./base/0maps.pk3 (42 files)
Added packfile ./base/0materials.pk3 (54 files)
Added packfile ./base/0media.pk3 (19 files)
Added packfile ./base/0models.pk3 (1942 files)
Added packfile ./base/0music.pk3 (64 files)
Added packfile ./base/0pics.pk3 (1056 files)
Added packfile ./base/0shaders.pk3 (37 files)
Added packfile ./base/0snd.pk3 (362 files)
Added packfile ./base/0textures.pk3 (2734 files)
Added packfile ./base/0ufos.pk3 (135 files)
Could not load './base/0videos.pk3'
Adding game dir: /home/surfer/.ufoai/2.6-dev/base
using /home/surfer/.ufoai/2.6-dev/base for writing
executing filesystem.cfg
executing default.cfg
couldn't execute config.cfg

----- network initialization -------
libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3 initialized.

------ server initialization -------
added 12 maps to the mapcycle

----- console initialization -------
Console initialized.

------- video initialization -------
I: SDL version: 1.2.14
I: desktop depth: 32bpp
I: video memory: 0
I: video driver: x11
I: Available resolutions: 1680x1050 1280x1024 1280x960 1152x864 1024x768 832x624 800x600 720x400 640x480 (9)
I: setting mode -1
I: using the desktop resolution because vid_mode, vid_height and vid_width are set to -1 (1024x768)
I: try to get display with 1024x768
I: disable multisample buffers
I: set swap control to 0
X Error of failed request:  BadRequest (invalid request code or no such operation)
  Major opcode of failed request:  153 (GLX)
  Minor opcode of failed request:  19 (X_GLXQueryServerString)
  Serial number of failed request:  13
  Current serial number in output stream:  13