Crash on virtual desktop switch

[Slartibartfast]

Game occasionally (1 of 10 switches) crashes when switching virtual desktops.

eden@sunce:~/bin/regnum> rolauncher 
ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib audio/pcm_bluetooth.c:1613:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5)
ALSA lib audio/pcm_bluetooth.c:1613:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5)
ALSA lib audio/pcm_bluetooth.c:1613:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5)
ALSA lib audio/pcm_bluetooth.c:1613:(audioservice_expect) BT_GET_CAPABILITIES failed : Input/output error(5)
ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports only playback stream
ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
Cannot connect to server socket err = No such file or directory
Cannot connect to server socket
jack server is not running or cannot be started
...
[game started]
...
eden@sunce:~/bin/regnum> Saving backtrace to crash_backtrace_9078.log
Got SIGSEGV (segmentation fault)
eden@sunce:~/bin/regnum/live> cat crash_backtrace_9078.log 
./game(_ZN10ClientBase14save_backtraceEv+0x5f) [0x68e43f]
./game(_ZN10ClientBase12client_crashEi+0x8) [0x68e5a8]
/lib/x86_64-linux-gnu/libc.so.6(+0x36420) [0x7f3feb085420]
[0x41d56a06]

eden@sunce:~/bin/regnum/live> cat log.txt 
[25/10/2012 13:36:53] [ClientBase][client_base.cpp(155)] Client build: 36820
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl_x11.cpp(224)] X Server vendor: The X.Org Foundation
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl_x11.cpp(228)] X Server release: 1.10.4
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl.cpp(363)] XVidMode Extension version 2.2
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl.cpp(373)] Xinerama Extension version 1.1
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl.cpp(399)] Got a 24 bit visual (40) with a 24 bit depth buffer
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl.cpp(468)] Resolutions: 1920x1200x32 1680x1050x32 3600x1200x32 
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl.cpp(533)] OpenGL vendor: NVIDIA Corporation
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl.cpp(534)] OpenGL renderer: GeForce 9600 GT/PCI/SSE2
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl.cpp(535)] OpenGL version: 3.3.0 NVIDIA 280.13
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl_extensions_loader.cpp(295)] Detected 66 OpenGL extensions: GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGI_swap_control, GL_ARB_depth_texture, GL_ARB_draw_buffers, GL_ARB_draw_instanced, GL_ARB_fragment_program, GL_ARB_fragment_shader, GL_ARB_get_program_binary, GL_ARB_half_float_pixel, GL_ARB_map_buffer_range, GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_occlusion_query, GL_ARB_pixel_buffer_object, GL_ARB_point_parameters, GL_ARB_point_sprite, GL_ARB_shader_objects, GL_ARB_shading_language_100, GL_ARB_shadow, GL_ARB_texture_compression, GL_ARB_texture_cube_map, GL_ARB_texture_env_add, GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3, GL_ARB_texture_float, GL_ARB_texture_multisample, GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle, GL_ARB_vertex_array_object, GL_ARB_vertex_buffer_object, GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_EXT_Cg_shader, GL_EXT_bindable_uniform, GL_EXT_blend_func_separate, GL_EXT_direct_state_access, GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_object, GL_EXT_gpu_shader4, GL_EXT_packed_depth_stencil, GL_EXT_secondary_color, GL_EXT_separate_specular_color, GL_EXT_stencil_wrap, GL_EXT_texture3D, GL_EXT_texture_array, GL_EXT_texture_compression_s3tc, GL_EXT_texture_edge_clamp, GL_EXT_texture_filter_anisotropic, GL_EXT_texture_lod, GL_EXT_texture_lod_bias, GL_EXT_timer_query, GL_EXT_vertex_array_bgra, GL_NVX_gpu_memory_info, GL_NV_conditional_render, GL_NV_fragment_program2, GL_NV_gpu_program4, GL_NV_multisample_filter_hint, GL_NV_register_combiners, GL_NV_register_combiners2, GL_NV_vertex_program3, GL_SGIS_generate_mipmap
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl_extensions_loader.cpp(312)] OpenGL Shading Language version: 3.30 NVIDIA via Cg compiler
[25/10/2012 13:36:57] [RenderizerGL][renderizer_gl_extensions_loader.cpp(318)] Shader model 4 capable card detected
[25/10/2012 13:36:57] [SDB_File][sdb_file.cpp(1257)] SDB: ../data0.sdb(746.65 MB), fragmentation: 9.95%
[25/10/2012 13:36:57] [SDB_File][sdb_file.cpp(1257)] SDB: ../data1.sdb(2239.32 MB), fragmentation: 7.36%
[25/10/2012 13:36:57] [SDB_File][sdb_file.cpp(1257)] SDB: ../data2.sdb(88.25 MB), fragmentation: 0.08%
[25/10/2012 13:36:57] [SDB_File][sdb_file.cpp(1257)] SDB: ../data3.sdb(12.73 MB), fragmentation: 0.62%
[25/10/2012 13:36:57] [SDB_File][sdb_file.cpp(1257)] SDB: ../data4.sdb(244.51 MB), fragmentation: 26.96%
[25/10/2012 13:36:57] [SDB_File][sdb_file.cpp(1257)] SDB: ../data5.sdb(51.69 MB), fragmentation: 2.08%
[25/10/2012 13:36:57] [ResourceManager][resource_manager.cpp(302)] disk retriever is ready
[25/10/2012 13:36:57] [ResourceManager][resource_manager.cpp(302)] http retriever is ready
[25/10/2012 13:36:57] [ResourceListManager][resource_list_manager.cpp(312)] Got resource list: 24249 resources available
[25/10/2012 13:36:57] [TextManager][text_manager.cpp(164)] Text Manager ready
[25/10/2012 13:36:58] [CManager][shader_manager.cpp(235)] Loading render paths from render_paths/render_path_gl_sm3_high.xml
[25/10/2012 13:37:38] [SDB_File][sdb_file.cpp(1257)] SDB: characters.sdb(0.89 MB), fragmentation: 0.00%
[25/10/2012 13:37:38] [SDB File][sdb_file.cpp(1010)] Optimizing space in characters.sdb
[25/10/2012 13:37:38] [SDB_File][sdb_file.cpp(1257)] SDB: characters.sdb(0.89 MB), fragmentation: 0.00%
[25/10/2012 13:37:39] [logger.cpp(72)] brasas_forge: skipping parameter (self_illumination_with_mask)
[25/10/2012 13:38:04] [logger.cpp(72)] Props Caja Ximerin: skipping parameter (self_illumination_with_mask_with_fog)
[25/10/2012 13:38:05] [FXSystem][trail_fx_library.cpp(201)]  Trail FX Descriptor not found: trail_base_staff

- Linux Mint 12 with MATE desktop
- nVidia 9600GT
- binary driver v280.13
- normal graphics mode, not safemode

Video options:

http://postimage.org/image/az3ucv6a9/

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Slartibartfast / Exorcist