{"action":"opened","issue":{"url":"https://api.github.com/repos/Psychtoolbox-3/Psychtoolbox-3/issues/266","labels_url":"https://api.github.com/repos/Psychtoolbox-3/Psychtoolbox-3/issues/266/labels{/name}","comments_url":"https://api.github.com/repos/Psychtoolbox-3/Psychtoolbox-3/issues/266/comments","events_url":"https://api.github.com/repos/Psychtoolbox-3/Psychtoolbox-3/issues/266/events","html_url":"https://github.com/Psychtoolbox-3/Psychtoolbox-3/issues/266","id":100162993,"number":266,"title":"Bug in PsychAllocInCharArg for certain unicode characters","user":{"login":"jacobgmartin","id":13720541,"avatar_url":"https://avatars.githubusercontent.com/u/13720541?v=3","gravatar_id":"","url":"https://api.github.com/users/jacobgmartin","html_url":"https://github.com/jacobgmartin","followers_url":"https://api.github.com/users/jacobgmartin/followers","following_url":"https://api.github.com/users/jacobgmartin/following{/other_user}","gists_url":"https://api.github.com/users/jacobgmartin/gists{/gist_id}","starred_url":"https://api.github.com/users/jacobgmartin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jacobgmartin/subscriptions","organizations_url":"https://api.github.com/users/jacobgmartin/orgs","repos_url":"https://api.github.com/users/jacobgmartin/repos","events_url":"https://api.github.com/users/jacobgmartin/events{/privacy}","received_events_url":"https://api.github.com/users/jacobgmartin/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-10T20:35:30Z","updated_at":"2015-08-10T20:35:30Z","closed_at":null,"body":"I have found a newly introduced bug in Psychtoolbox 3.0.12 (which did not appear on 3.0.10).\r\n\r\nHere is the relevant output (full output appears at the end of this letter):\r\n\r\nPTB-DEBUG: Allocated unicode string: 21150.000000 27861.000000 32.000000 32.000000 32.000000 26102.000000 38388.000000 \r\nINTERNAL PSYCHTOOLBOX ERROR\r\n\terror:                PsychError_internal\r\n\tgeneral description:  Unspecified error, probably a Psychtoolbox bug\r\n\tspecific description: mxGetString failed to get the string\r\n\tmodule name:          Screen\r\n\tsubfunction call:     TextBounds\r\n\tfile name:            Common/Base/PsychScriptingGlue.c\r\n\tfunction name:        PsychAllocInCharArg\r\n\tline number:          2804\r\n\r\nTo demonstrate the problem, I modified the DrawHighQualityUnicodeTextDemo.m file to include a \"japanesetext\" unicode string which causes the internal PTB error.  I have attached the test case, which I named doFontBug.m\r\n\r\nIn 3.0.10, there is no problem.\r\n\r\nIn 3.0.12, the bug appears.\r\n\r\nThat should narrow down the possible cause somewhat. \r\n\r\nBest wishes,\r\nJacob Martin\r\n\r\n>> Screen('Preference','Verbosity',10);doFontBug\r\nPTB-INFO: Display ':0' : X-Screen 0 : Assigning primary output as 5 with RandR-CRTC 0 and GPU-CRTC 0.\r\nRandR: 2560x1440 (0x2a7)  497.8MHz\r\n        h: width  2560 start 2608 end 2640 total 2720 skew    0\r\n        v: height 1440 start 1443 end 1448 total 1525\r\n\r\n\r\nPTB-INFO: This is Psychtoolbox-3 for GNU/Linux X11, under Matlab 64-Bit (Version 3.0.12 - Build date: Jul 22 2015).\r\nPTB-INFO: Support status on this operating system release: Linux 3.18.11-gentoo Supported.\r\nPTB-INFO: Type 'PsychtoolboxVersion' for more detailed version information.\r\nPTB-INFO: Most parts of the Psychtoolbox distribution are licensed to you under terms of the MIT License, with\r\nPTB-INFO: some restrictions. See file 'License.txt' in the Psychtoolbox root folder for the exact licensing conditions.\r\n\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] RD890 Northbridge only dual slot (2x16) PCI-e GFX Hydra part] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (PCI express gpp port H)] with class x00060400 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (external gfx1 port A)] with class x00060400 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] RD890 PCI to PCI bridge (NB-SB link)] with class x00060400 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 SATA Controller [IDE mode]] with class x00010601 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller] with class x000c0310 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB OHCI1 Controller] with class x000c0310 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller] with class x000c0320 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI0 Controller] with class x000c0310 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB OHCI1 Controller] with class x000c0310 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB EHCI Controller] with class x000c0320 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller] with class x000c0500 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 IDE Controller] with class x0001018a ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)] with class x00040300 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller] with class x00060100 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge] with class x00060401 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 USB OHCI2 Controller] with class x000c0310 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor HyperTransport Configuration] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor Address Map] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor DRAM Controller] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor Miscellaneous Control] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor Link Control] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor HyperTransport Configuration] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor Address Map] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor DRAM Controller] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor Miscellaneous Control] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [Advanced Micro Devices, Inc. [AMD] Family 10h Processor Link Control] with class x00060000 ...\r\nPTB-DEBUG: Checking PCI device [ASPEED Technology, Inc. ASPEED Graphics Family] with class x00030000 ...\r\nPTB-DEBUG: Checking PCI device [LSI Corporation FW322/323 [TrueFire] 1394a Controller] with class x000c0010 ...\r\nPTB-DEBUG: Checking PCI device [NVIDIA Corporation GK104 [GeForce GTX 770]] with class x00030000 ...\r\nPTB-INFO: NVIDIA Corporation - GK104 [GeForce GTX 770] GPU found. Trying to establish low-level access...\r\nPTB-DEBUG: Mapping GPU BAR address 0xfa000000 ...\r\nPTB-DEBUG: Mapping 0x1000000 bytes...\r\nPTB-INFO: Connected to NVidia GK104 [GeForce GTX 770] GPU of NV-0e0 family with 4 display heads. Beamposition timestamping enabled.\r\nPTB-INFO: Using new-style override-redirect setup path for onscreen window creation.\r\nPTB-INFO: GLX Visual info depths is 24 bits\r\nPTB-INFO: Not running on Mesa graphics library.\r\nPTB-INFO: Using GLEW version 1.11.0 for automatic detection of OpenGL extensions...\r\nPTB-DEBUG: PPM file magic is P6\r\n -> Ok\r\n# CREATOR: GIMP PNM Filter Version 1.1\r\nPTB-DEBUG: Recognized splash image of 656 x 304 pixels, maxlevel 255. Loading...\r\n\r\n\r\nOpenGL-Vendor / renderer / version are: NVIDIA Corporation - GeForce GTX 770/PCIe/SSE2 - 4.5.0 NVIDIA 349.16\r\n\r\n\r\nOpenGL-Extensions are: GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_layer_viewport GL_ARB_fragment_program GL_ARB_fragment_program_shadow GL_ARB_fragment_shader GL_ARB_framebuffer_no_attachments GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB GL_ARB_geometry_shader4 GL_ARB_get_program_binary GL_ARB_get_texture_sub_image GL_ARB_gpu_shader5 GL_ARB_gpu_shader_fp64 GL_ARB_half_float_pixel GL_ARB_half_float_vertex GL_ARB_imaging GL_ARB_indirect_parameters GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_internalformat_query2 GL_NV_internalformat_sample_query GL_ARB_invalidate_subdata GL_ARB_map_buffer_alignment GL_ARB_map_buffer_range GL_ARB_multi_bind GL_ARB_multi_draw_indirect GL_ARB_multisample GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_occlusion_query2 GL_ARB_pipeline_statistics_query GL_ARB_pixel_buffer_object GL_ARB_point_parameters GL_ARB_point_sprite GL_ARB_program_interface_query GL_ARB_provoking_vertex GL_ARB_robust_buffer_access_behavior GL_ARB_robustness GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_seamless_cube_map GL_ARB_seamless_cubemap_per_texture GL_ARB_separate_shader_objects GL_ARB_shader_atomic_counters GL_ARB_shader_bit_encoding GL_ARB_shader_draw_parameters GL_ARB_shader_group_vote GL_ARB_shader_image_load_store GL_ARB_shader_image_size GL_ARB_shader_objects GL_ARB_shader_precision GL_ARB_query_buffer_object GL_ARB_shader_storage_buffer_object GL_ARB_shader_subroutine GL_ARB_shader_texture_image_samples GL_ARB_shader_texture_lod GL_ARB_shading_language_100 GL_ARB_shading_language_420pack GL_ARB_shading_language_include GL_ARB_shading_language_packing GL_ARB_shadow GL_ARB_sparse_buffer GL_ARB_sparse_texture GL_ARB_stencil_texturing GL_ARB_sync GL_ARB_tessellation_shader GL_ARB_texture_barrier GL_ARB_texture_border_clamp GL_ARB_texture_buffer_object GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_buffer_range GL_ARB_texture_compression GL_ARB_texture_compression_bptc GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map GL_ARB_texture_cube_map_array 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_gather GL_ARB_texture_mirror_clamp_to_edge GL_ARB_texture_mirrored_repeat GL_ARB_texture_multisample GL_ARB_texture_non_power_of_two GL_ARB_texture_query_levels GL_ARB_texture_query_lod GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui GL_ARB_texture_stencil8 GL_ARB_texture_storage GL_ARB_texture_storage_multisample GL_ARB_texture_swizzle GL_ARB_texture_view GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_transform_feedback_instanced GL_ARB_transform_feedback_overflow_query GL_ARB_transpose_matrix GL_ARB_uniform_buffer_object GL_ARB_vertex_array_bgra GL_ARB_vertex_array_object GL_ARB_vertex_attrib_64bit GL_ARB_vertex_attrib_binding GL_ARB_vertex_buffer_object GL_ARB_vertex_program GL_ARB_vertex_shader GL_ARB_vertex_type_10f_11f_11f_rev GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ARB_window_pos GL_ATI_draw_buffers GL_ATI_texture_float GL_ATI_texture_mirror_once GL_S3_s3tc GL_EXT_texture_env_add GL_EXT_abgr GL_EXT_bgra GL_EXT_bindable_uniform GL_EXT_blend_color GL_EXT_blend_equation_separate GL_EXT_blend_func_separate GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_compiled_vertex_array GL_EXT_Cg_shader GL_EXT_depth_bounds_test GL_EXT_direct_state_access GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_draw_range_elements GL_EXT_fog_coord GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXTX_framebuffer_mixed_formats GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_framebuffer_object GL_EXT_framebuffer_sRGB GL_EXT_geometry_shader4 GL_EXT_gpu_program_parameters GL_EXT_gpu_shader4 GL_EXT_multi_draw_arrays GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_packed_pixels GL_EXT_pixel_buffer_object GL_EXT_point_parameters GL_EXT_polygon_offset_clamp GL_EXT_provoking_vertex GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_shader_objects GL_EXT_separate_specular_color GL_EXT_shader_image_load_store GL_EXT_shader_integer_mix GL_EXT_shadow_funcs GL_EXT_stencil_two_side GL_EXT_stencil_wrap GL_EXT_texture3D GL_EXT_texture_array GL_EXT_texture_buffer_object GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_latc GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc GL_EXT_texture_cube_map GL_EXT_texture_edge_clamp GL_EXT_texture_env_combine GL_EXT_texture_env_dot3 GL_EXT_texture_filter_anisotropic GL_EXT_texture_integer GL_EXT_texture_lod GL_EXT_texture_lod_bias GL_EXT_texture_mirror_clamp GL_EXT_texture_object GL_EXT_texture_shared_exponent GL_EXT_texture_sRGB GL_EXT_texture_sRGB_decode GL_EXT_texture_storage GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback2 GL_EXT_vertex_array GL_EXT_vertex_array_bgra GL_EXT_vertex_attrib_64bit GL_EXT_x11_sync_object GL_EXT_import_sync_object GL_IBM_rasterpos_clip GL_IBM_texture_mirrored_repeat GL_KHR_context_flush_control GL_KHR_debug GL_KHR_robust_buffer_access_behavior GL_KHR_robustness GL_KTX_buffer_region GL_NV_bindless_multi_draw_indirect GL_NV_bindless_multi_draw_indirect_count GL_NV_bindless_texture GL_NV_blend_equation_advanced GL_NV_blend_square GL_NV_command_list GL_NV_compute_program5 GL_NV_conditional_render GL_NV_copy_depth_to_color GL_NV_copy_image GL_NV_depth_buffer_float GL_NV_depth_clamp GL_NV_draw_texture GL_NV_ES1_1_compatibility GL_NV_ES3_1_compatibility GL_NV_explicit_multisample GL_NV_fence GL_NV_float_buffer GL_NV_fog_distance GL_NV_fragment_program GL_NV_fragment_program_option GL_NV_fragment_program2 GL_NV_framebuffer_multisample_coverage GL_NV_geometry_shader4 GL_NV_gpu_program4 GL_NV_gpu_program4_1 GL_NV_gpu_program5 GL_NV_gpu_program5_mem_extended GL_NV_gpu_program_fp64 GL_NV_gpu_shader5 GL_NV_half_float GL_NV_light_max_exponent GL_NV_multisample_coverage GL_NV_multisample_filter_hint GL_NV_occlusion_query GL_NV_packed_depth_stencil GL_NV_parameter_buffer_object GL_NV_parameter_buffer_object2 GL_NV_path_rendering GL_NV_pixel_data_range GL_NV_point_sprite GL_NV_primitive_restart GL_NV_register_combiners GL_NV_register_combiners2 GL_NV_shader_atomic_counters GL_NV_shader_atomic_float GL_NV_shader_buffer_load GL_NV_shader_storage_buffer_object GL_NV_texgen_reflection GL_NV_texture_barrier GL_NV_texture_compression_vtc GL_NV_texture_env_combine4 GL_NV_texture_multisample GL_NV_texture_rectangle GL_NV_texture_shader GL_NV_texture_shader2 GL_NV_texture_shader3 GL_NV_transform_feedback GL_NV_transform_feedback2 GL_NV_uniform_buffer_unified_memory GL_NV_vdpau_interop GL_NV_vertex_array_range GL_NV_vertex_array_range2 GL_NV_vertex_attrib_integer_64bit GL_NV_vertex_buffer_unified_memory GL_NV_vertex_program GL_NV_vertex_program1_1 GL_NV_vertex_program2 GL_NV_vertex_program2_option GL_NV_vertex_program3 GL_NVX_conditional_render GL_NVX_gpu_memory_info GL_NVX_nvenc_interop GL_NV_shader_thread_group GL_NV_shader_thread_shuffle GL_KHR_blend_equation_advanced GL_SGIS_generate_mipmap GL_SGIS_texture_lod GL_SGIX_depth_texture GL_SGIX_shadow GL_SUN_slice_accum \r\n\r\nPTB-DEBUG: Interrogating Low-level renderer capabilities for onscreen window with handle 10:\r\nIndicator variables: FBO's 1, ATI_texture_float 1, ARB_texture_float 1, Vendor NVIDIA Corporation, Renderer GeForce GTX 770/PCIe/SSE2.\r\nIndicator variables: maxcolorattachments = 8, maxrectangletexturesize = 16384, maxnativealuinstructions = 16384.\r\nGPU supports non-power-of-two textures.\r\nBasic framebuffer objects with rectangle texture rendertargets supported --> RGBA8 rendertargets with blending.\r\nFramebuffer objects support fast blitting between each other.\r\nFramebuffer objects support anti-aliasing via multisampling.\r\nFramebuffer objects support single-pass multisample resolve blits and image rescaling.\r\nHardware supports floating point textures of 16bpc and 32bpc float format.\r\nAssuming NV30 core or later...\r\nAssuming NV40 core or later (maxcolattachments=8): Hardware supports floating point blending and filtering on 16bpc float format.\r\nHardware also supports floating point framebuffers of 16bpc and 32bpc float format.\r\nHardware supports full 32 bit floating point precision shading.\r\nAssuming G80 core or later (maxtexsize=16384): Hardware supports full floating point blending and filtering on 16bpc and 32bpc float format.\r\nPTB-Info: Running on 'The X.Org Foundation' XServer, Vendor release 11604000.\r\nOML_sync_control indicators: glXGetSyncValuesOML=(nil) , glXWaitForMscOML=(nil), glXWaitForSbcOML=(nil), glXSwapBuffersMscOML=(nil)\r\nOML_sync_control indicators: glxewIsSupported() says 0.\r\nNo support for OpenML OML_sync_control extension.\r\nSystem supports backbuffer age queries.\r\nPTB-DEBUG: Interrogation done.\r\n\r\nRandR: 2560x1440 (0x2a7)  497.8MHz\r\n        h: width  2560 start 2608 end 2640 total 2720 skew    0\r\n        v: height 1440 start 1443 end 1448 total 1525\r\nRandR: 2560x1440 (0x2a7)  497.8MHz\r\n        h: width  2560 start 2608 end 2640 total 2720 skew    0\r\n        v: height 1440 start 1443 end 1448 total 1525\r\nPTB-DEBUG: glClear splash image top-left reference pixel: 255 255 255\r\nPTB-INFO: Threshold Settings for successfull video refresh calibration are: maxStdDev = 0.200000 msecs, maxDeviation = 10.000000 %, minSamples = 50, maxDuration = 5.000000 secs.\r\nPTB-WARNING: Hang in beamposition query detected! Seems my mapping of screen numbers to GPU's and display outputs is wrong?\r\nPTB-WARNING: In a single GPU system you can resolve this by plugging in your monitors in a different order, changing the\r\nPTB-WARNING: display arrangement in the control panel, or using the Screen('Preference', 'ScreenToHead', ...);\r\nPTB-WARNING: command at the top of your scripts to set the mapping manually. See 'help DisplayOutputMappings' for more info.\r\nPTB-WARNING: \r\nPTB-WARNING: I am not yet able to handle multi-GPU systems reliably at all. If you have such a system it may work if\r\nPTB-WARNING: you plug your monitor(s) into one of the other GPU's output connectors, trying different combinations.\r\nPTB-WARNING: Or you simply live without high precision stimulus onset timestamping for now. Or you use the free and open-source\r\nPTB-WARNING: graphics drivers (intel, radeon, or nouveau) instead of the proprietary Catalyst or NVidia binary drivers.\r\nPTB-WARNING: I've disabled high precision timestamping for this screen for the remainder of the session.\r\n\r\n\r\n\r\nPTB-DEBUG: Output of all acquired samples of calibration run follows:\r\nPTB-DEBUG: Sample 0: 0.000000\r\nPTB-DEBUG: Sample 1: 0.015478\r\nPTB-DEBUG: Sample 2: 0.015693\r\nPTB-DEBUG: Sample 3: 0.015859\r\nPTB-DEBUG: Sample 4: 0.015742\r\nPTB-DEBUG: Sample 5: 0.014877\r\nPTB-DEBUG: Sample 6: 0.007714\r\nPTB-DEBUG: Sample 7: 0.007909\r\nPTB-DEBUG: Sample 8: 0.008551\r\nPTB-DEBUG: Sample 9: 0.007225\r\nPTB-DEBUG: Sample 10: 0.007896\r\nPTB-DEBUG: Sample 11: 0.010021\r\nPTB-DEBUG: Sample 12: 0.005772\r\nPTB-DEBUG: Sample 13: 0.007892\r\nPTB-DEBUG: Sample 14: 0.007896\r\nPTB-DEBUG: Sample 15: 0.008623\r\nPTB-DEBUG: Sample 16: 0.007162\r\nPTB-DEBUG: Sample 17: 0.007900\r\nPTB-DEBUG: Sample 18: 0.007892\r\nPTB-DEBUG: Sample 19: 0.007897\r\nPTB-DEBUG: Sample 20: 0.007896\r\nPTB-DEBUG: Sample 21: 0.007895\r\nPTB-DEBUG: Sample 22: 0.007894\r\nPTB-DEBUG: Sample 23: 0.007896\r\nPTB-DEBUG: Sample 24: 0.007893\r\nPTB-DEBUG: Sample 25: 0.007894\r\nPTB-DEBUG: Sample 26: 0.007907\r\nPTB-DEBUG: Sample 27: 0.007884\r\nPTB-DEBUG: Sample 28: 0.007898\r\nPTB-DEBUG: Sample 29: 0.007894\r\nPTB-DEBUG: Sample 30: 0.007896\r\nPTB-DEBUG: Sample 31: 0.007893\r\nPTB-DEBUG: Sample 32: 0.007899\r\nPTB-DEBUG: Sample 33: 0.007898\r\nPTB-DEBUG: Sample 34: 0.007889\r\nPTB-DEBUG: Sample 35: 0.007866\r\nPTB-DEBUG: Sample 36: 0.007928\r\nPTB-DEBUG: Sample 37: 0.008228\r\nPTB-DEBUG: Sample 38: 0.007575\r\nPTB-DEBUG: Sample 39: 0.008027\r\nPTB-DEBUG: Sample 40: 0.007753\r\nPTB-DEBUG: Sample 41: 0.008021\r\nPTB-DEBUG: Sample 42: 0.007832\r\nPTB-DEBUG: Sample 43: 0.008241\r\nPTB-DEBUG: Sample 44: 0.007487\r\nPTB-DEBUG: Sample 45: 0.009093\r\nPTB-DEBUG: Sample 46: 0.006694\r\nPTB-DEBUG: Sample 47: 0.008178\r\nPTB-DEBUG: Sample 48: 0.007944\r\nPTB-DEBUG: Sample 49: 0.007563\r\nPTB-DEBUG: Sample 50: 0.007959\r\nPTB-DEBUG: Sample 51: 0.007831\r\nPTB-DEBUG: Sample 52: 0.007895\r\nPTB-DEBUG: Sample 53: 0.007899\r\nPTB-DEBUG: Sample 54: 0.008746\r\nPTB-DEBUG: Sample 55: 0.007041\r\nPTB-DEBUG: Sample 56: 0.007903\r\nPTB-DEBUG: Sample 57: 0.008031\r\nPTB-DEBUG: Sample 58: 0.008144\r\nPTB-DEBUG: Sample 59: 0.007502\r\nPTB-DEBUG: Sample 60: 0.007867\r\nPTB-DEBUG: Sample 61: 0.007904\r\nPTB-DEBUG: Sample 62: 0.007892\r\nPTB-DEBUG: Sample 63: 0.007896\r\nPTB-DEBUG: Sample 64: 0.007892\r\nPTB-DEBUG: Sample 65: 0.007897\r\nPTB-DEBUG: Sample 66: 0.007897\r\nPTB-DEBUG: Sample 67: 0.007893\r\nPTB-DEBUG: Sample 68: 0.007893\r\nPTB-DEBUG: Sample 69: 0.007897\r\nPTB-DEBUG: Sample 70: 0.007895\r\nPTB-DEBUG: Sample 71: 0.007891\r\nPTB-DEBUG: Sample 72: 0.007896\r\nPTB-DEBUG: Sample 73: 0.007894\r\nPTB-DEBUG: Sample 74: 0.007898\r\nPTB-DEBUG: Sample 75: 0.007894\r\nPTB-DEBUG: Sample 76: 0.007894\r\nPTB-DEBUG: Sample 77: 0.007899\r\nPTB-DEBUG: Sample 78: 0.007896\r\nPTB-DEBUG: Sample 79: 0.007895\r\nPTB-DEBUG: Sample 80: 0.007898\r\nPTB-DEBUG: Sample 81: 0.007895\r\nPTB-DEBUG: Sample 82: 0.007890\r\nPTB-DEBUG: Sample 83: 0.007898\r\nPTB-DEBUG: Sample 84: 0.007894\r\nPTB-DEBUG: Sample 85: 0.007896\r\nPTB-DEBUG: Sample 86: 0.007899\r\nPTB-DEBUG: Sample 87: 0.007895\r\nPTB-DEBUG: Sample 88: 0.007890\r\nPTB-DEBUG: Sample 89: 0.007894\r\nPTB-DEBUG: Sample 90: 0.007898\r\nPTB-DEBUG: Sample 91: 0.007895\r\nPTB-DEBUG: Sample 92: 0.007896\r\nPTB-DEBUG: Sample 93: 0.007930\r\nPTB-DEBUG: Sample 94: 0.007865\r\nPTB-DEBUG: Sample 95: 0.007894\r\nPTB-DEBUG: Sample 96: 0.007891\r\nPTB-DEBUG: Sample 97: 0.007892\r\nPTB-DEBUG: Sample 98: 0.007900\r\nPTB-DEBUG: Sample 99: 0.007893\r\nPTB-DEBUG: Sample 100: 0.007900\r\nPTB-DEBUG: Sample 101: 0.007890\r\nPTB-DEBUG: Sample 102: 0.007899\r\nPTB-DEBUG: Sample 103: 0.007896\r\nPTB-DEBUG: Sample 104: 0.007893\r\nPTB-DEBUG: Sample 105: 0.007899\r\nPTB-DEBUG: Sample 106: 0.007890\r\nPTB-DEBUG: Sample 107: 0.007900\r\nPTB-DEBUG: Sample 108: 0.007894\r\nPTB-DEBUG: Sample 109: 0.007892\r\nPTB-DEBUG: Sample 110: 0.007894\r\nPTB-DEBUG: Sample 111: 0.007902\r\nPTB-DEBUG: Sample 112: 0.007893\r\nPTB-DEBUG: Sample 113: 0.007896\r\nPTB-DEBUG: Sample 114: 0.007891\r\nPTB-DEBUG: Sample 115: 0.007901\r\nPTB-DEBUG: Sample 116: 0.007891\r\nPTB-DEBUG: Sample 117: 0.007893\r\nPTB-DEBUG: Sample 118: 0.007900\r\nPTB-DEBUG: Sample 119: 0.007893\r\nPTB-DEBUG: Sample 120: 0.007896\r\nPTB-DEBUG: Sample 121: 0.007894\r\nPTB-DEBUG: Sample 122: 0.007899\r\nPTB-DEBUG: Sample 123: 0.007897\r\nPTB-DEBUG: Sample 124: 0.007893\r\nPTB-DEBUG: Sample 125: 0.007892\r\nPTB-DEBUG: Sample 126: 0.007894\r\nPTB-DEBUG: Sample 127: 0.007898\r\nPTB-DEBUG: Sample 128: 0.007911\r\nPTB-DEBUG: Sample 129: 0.007882\r\nPTB-DEBUG: Sample 130: 0.007894\r\nPTB-DEBUG: Sample 131: 0.007901\r\nPTB-DEBUG: Sample 132: 0.007888\r\nPTB-DEBUG: Sample 133: 0.007900\r\nPTB-DEBUG: Sample 134: 0.007887\r\nPTB-DEBUG: Sample 135: 0.007899\r\nPTB-DEBUG: Sample 136: 0.007899\r\nPTB-DEBUG: Sample 137: 0.007894\r\nPTB-DEBUG: Sample 138: 0.007892\r\nPTB-DEBUG: Sample 139: 0.007897\r\nPTB-DEBUG: Sample 140: 0.007895\r\nPTB-DEBUG: Sample 141: 0.007893\r\nPTB-DEBUG: Sample 142: 0.007896\r\nPTB-DEBUG: Sample 143: 0.007899\r\nPTB-DEBUG: Sample 144: 0.007893\r\nPTB-DEBUG: Sample 145: 0.007893\r\nPTB-DEBUG: Sample 146: 0.007893\r\nPTB-DEBUG: Sample 147: 0.007915\r\nPTB-DEBUG: Sample 148: 0.007881\r\nPTB-DEBUG: Sample 149: 0.007892\r\nPTB-DEBUG: Sample 150: 0.007894\r\nPTB-DEBUG: Sample 151: 0.007896\r\nPTB-DEBUG: Sample 152: 0.007902\r\nPTB-DEBUG: Sample 153: 0.007892\r\nPTB-DEBUG: Sample 154: 0.007895\r\nPTB-DEBUG: Sample 155: 0.007897\r\nPTB-DEBUG: Sample 156: 0.007888\r\nPTB-DEBUG: Sample 157: 0.007900\r\nPTB-DEBUG: Sample 158: 0.007898\r\nPTB-DEBUG: Sample 159: 0.007895\r\nPTB-DEBUG: Sample 160: 0.007891\r\nPTB-DEBUG: Sample 161: 0.007895\r\nPTB-DEBUG: Sample 162: 0.007895\r\nPTB-DEBUG: Sample 163: 0.007901\r\nPTB-DEBUG: Sample 164: 0.007891\r\nPTB-DEBUG: Sample 165: 0.007900\r\nPTB-DEBUG: Sample 166: 0.007899\r\nPTB-DEBUG: Sample 167: 0.007886\r\nPTB-DEBUG: Sample 168: 0.007897\r\nPTB-DEBUG: Sample 169: 0.007895\r\nPTB-DEBUG: Sample 170: 0.007894\r\nPTB-DEBUG: Sample 171: 0.007895\r\nPTB-DEBUG: Sample 172: 0.007894\r\nPTB-DEBUG: Sample 173: 0.007901\r\nPTB-DEBUG: Sample 174: 0.007891\r\nPTB-DEBUG: Sample 175: 0.007896\r\nPTB-DEBUG: Sample 176: 0.007891\r\nPTB-DEBUG: Sample 177: 0.007902\r\nPTB-DEBUG: Sample 178: 0.007893\r\nPTB-DEBUG: Sample 179: 0.007894\r\nPTB-DEBUG: Sample 180: 0.007897\r\nPTB-DEBUG: Sample 181: 0.007892\r\nPTB-DEBUG: Sample 182: 0.007896\r\nPTB-DEBUG: Sample 183: 0.007929\r\nPTB-DEBUG: Sample 184: 0.007860\r\nPTB-DEBUG: Sample 185: 0.007897\r\nPTB-DEBUG: Sample 186: 0.007896\r\nPTB-DEBUG: Sample 187: 0.007894\r\nPTB-DEBUG: Sample 188: 0.007895\r\nPTB-DEBUG: Sample 189: 0.007898\r\nPTB-DEBUG: Sample 190: 0.007926\r\nPTB-DEBUG: Sample 191: 0.007865\r\nPTB-DEBUG: End of calibration data for this run...\r\n\r\n\r\n\r\nPTB-INFO: OpenGL-Renderer is NVIDIA Corporation :: GeForce GTX 770/PCIe/SSE2 :: 4.5.0 NVIDIA 349.16\r\nPTB-INFO: VBL startline = 1440 , VBL Endline = -1\r\nPTB-INFO: Beamposition queries unsupported or defective on this system. Using basic timestamping as fallback: Timestamps returned by Screen('Flip') will be less robust and accurate.\r\nPTB-INFO: Measured monitor refresh interval from VBLsync = 7.894097 ms [126.676926 Hz]. (184 valid samples taken, stddev=0.199943 ms.)\r\nPTB-INFO: Reported monitor refresh interval from operating system = 8.333542 ms [119.997002 Hz].\r\nPTB-INFO: Small deviations between reported values are normal and no reason to worry.\r\nPTB-INFO: Using OpenGL GL_TEXTURE_RECTANGLE_EXT extension for efficient high-performance texture mapping...\r\nPTB-INFO: Support for fast OffscreenWindows enabled.\r\nPTB-DEBUG: GLX_BACK_BUFFER_AGE_EXT == 2 after swap completion.\r\nPTB-DEBUG: Swaprequest too close to last swap vbl (0.000344 secs) or between forbidden scanline 1 and 50. Delaying...\r\nPTB-DEBUG: GLX_BACK_BUFFER_AGE_EXT == 2 after swap completion.\r\nPTB-DEBUG: Swaprequest too close to last swap vbl (0.000400 secs) or between forbidden scanline 1 and 50. Delaying...\r\nPTB-DEBUG: GLX_BACK_BUFFER_AGE_EXT == 2 after swap completion.\r\nPTB-DEBUG: Allocated unicode string: 72.000000 101.000000 108.000000 108.000000 111.000000 \r\nPTB-DEBUG: DrawText: Trying to load external text renderer plugin from following file: [ /home/martin/Research/Psychtoolbox64bit_3.0.12/Psychtoolbox//PsychBasic/PsychPlugins/libptbdrawtext_ftgl.so.1 ]\r\nPTB-DEBUG: DrawText: Failed to load external drawtext plugin [/home/martin/Research/Psychtoolbox64bit_3.0.12/Psychtoolbox//PsychBasic/PsychPlugins/libptbdrawtext_ftgl.so.1: wrong ELF class: ELFCLASS32]. Retrying under generic name [libptbdrawtext_ftgl.so.1].\r\nPTB-DEBUG: DrawText: Trying to load external text renderer plugin from following file: [ /home/martin/Research/Psychtoolbox64bit_3.0.12/Psychtoolbox//PsychBasic/PsychPlugins/libptbdrawtext_ftgl64.so.1 ]\r\nPTB-DEBUG: Allocated unicode string: 87.000000 111.000000 114.000000 108.000000 100.000000 33.000000 \r\nPTB-DEBUG: Allocated unicode string: 21150.000000 27861.000000 32.000000 32.000000 32.000000 26102.000000 38388.000000 \r\nINTERNAL PSYCHTOOLBOX ERROR\r\n\terror:                PsychError_internal\r\n\tgeneral description:  Unspecified error, probably a Psychtoolbox bug\r\n\tspecific description: mxGetString failed to get the string\r\n\tmodule name:          Screen\r\n\tsubfunction call:     TextBounds\r\n\tfile name:            Common/Base/PsychScriptingGlue.c\r\n\tfunction name:        PsychAllocInCharArg\r\n\tline number:          2804\r\nPTB-DEBUG: In ScreenCloseAllWindows(): Destroying window 0\r\nPTB-DEBUG: In PsychCleanupTextRenderer: Releasing text renderer plugin completely.\r\nPTB-DEBUG:PsychOSCloseWindow: Closing with a final swapbuffers count of 0.\r\nError using Screen\r\nSee error message printed above.\r\nError in DrawFormattedText (line 230)\r\n    theight = RectHeight(Screen('TextBounds', win, char(tstring)));\r\nError in doFontBug (line 188)\r\n    DrawFormattedText(w, japanesetext, 'center', 'center'); \r\n15    builtin('rethrow', msg);"}}