[3672:3672:0416/192350.421180:ERROR:gpu/vulkan/vulkan_instance.cc:200] vkCreateInstance() failed: -9
[3672:3672:0416/192350.421254:ERROR:gpu/ipc/service/gpu_init.cc:1398] Failed to create and initialize Vulkan implementation.
[3672:3672:0416/192350.422048:INFO:third_party/skia/src/gpu/vk/VulkanPreferredFeatures.cpp:434] WARNING: VulkanPreferredFeatures::addFeaturesToQuery() was not called
[3672:3672:0416/192350.422091:INFO:third_party/skia/src/gpu/vk/VulkanPreferredFeatures.cpp:437] WARNING: VulkanPreferredFeatures::addFeaturesToEnable() was not called
[3672:3672:0416/192350.429329:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
[3640:3640:0416/192350.560887:INFO:CONSOLE:10] "GL_RENDERER: WebKit WebGL", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.562509:INFO:CONSOLE:10] "UNMASKED_RENDERER: ANGLE (Mesa/X.org, llvmpipe (LLVM 15.0.6 256 bits), OpenGL 4.5)", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.563754:INFO:CONSOLE:10] "Supported extensions: ANGLE_instanced_arrays, EXT_blend_minmax, EXT_clip_control, EXT_color_buffer_half_float, EXT_depth_clamp, EXT_disjoint_timer_query, EXT_float_blend, EXT_frag_depth, EXT_polygon_offset_clamp, EXT_shader_texture_lod, EXT_texture_compression_bptc, EXT_texture_compression_rgtc, EXT_texture_filter_anisotropic, EXT_texture_mirror_clamp_to_edge, EXT_sRGB, KHR_parallel_shader_compile, OES_element_index_uint, OES_fbo_render_mipmap, OES_standard_derivatives, OES_texture_float, OES_texture_float_linear, OES_texture_half_float, OES_texture_half_float_linear, OES_vertex_array_object, WEBGL_blend_func_extended, WEBGL_color_buffer_float, WEBGL_compressed_texture_s3tc, WEBGL_compressed_texture_s3tc_srgb, WEBGL_debug_renderer_info, WEBGL_debug_shaders, WEBGL_depth_texture, WEBGL_draw_buffers, WEBGL_lose_context, WEBGL_multi_draw, WEBGL_polygon_mode", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.565427:INFO:CONSOLE:10] "OK: WEBGL_draw_buffers", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.566468:INFO:CONSOLE:10] "MAX_DRAW_BUFFERS_WEBGL = 8", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.567474:INFO:CONSOLE:10] "OK: WEBGL_blend_func_extended", source: http://127.0.0.1:8888/poc.html (10)
[3672:3672:0416/192350.581431:WARNING:ui/gl/angle_platform_impl.cc:52] Shader.cpp:766 (resolveCompile): Compiler log: 0:7(3): error: array index must be < 1
0:8(3): error: array index must be < 1
0:9(3): error: array index must be < 1
0:10(3): error: array index must be < 1
0:11(3): error: array index must be < 1
0:12(3): error: array index must be < 1
0:13(3): error: array index must be < 1
0:14(3): error: array index must be < 1
[3640:3640:0416/192350.584184:INFO:CONSOLE:10] "FS compile status: false", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.928054:INFO:CONSOLE:10] "FS info log: 0:7(3): error: array index must be < 1
0:8(3): error: array index must be < 1
0:9(3): error: array index must be < 1
0:10(3): error: array index must be < 1
0:11(3): error: array index must be < 1
0:12(3): error: array index must be < 1
0:13(3): error: array index must be < 1
0:14(3): error: array index must be < 1
", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.941539:INFO:CONSOLE:10] "Translated FS: #version 450
out vec4 webgl_FragData[1];
out vec4 webgl_SecondaryFragData[1];
void main(){
  (webgl_SecondaryFragData[0] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[0] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[1] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[2] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[3] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[4] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[5] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[6] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[7] = vec4(0.0, 0.0, 0.0, 0.0));
  (webgl_FragData[7] = vec4(1.0, 0.0, 0.0, 1.0));
  (webgl_SecondaryFragData[0] = vec4(0.0, 1.0, 0.0, 1.0));
", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.943565:INFO:CONSOLE:10] "Link status: false", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.944803:INFO:CONSOLE:10] "Link info log: Fragment shader is not compiled.
", source: http://127.0.0.1:8888/poc.html (10)
[3640:3640:0416/192350.945791:INFO:CONSOLE:81] "WebGL: INVALID_OPERATION: useProgram: program not valid", source: http://127.0.0.1:8888/poc.html (81)
[3640:3640:0416/192350.946963:INFO:CONSOLE:88] "WebGL: INVALID_OPERATION: getAttribLocation: program not linked", source: http://127.0.0.1:8888/poc.html (88)
[3640:3640:0416/192350.947060:INFO:CONSOLE:89] "WebGL: INVALID_VALUE: enableVertexAttribArray: index out of range", source: http://127.0.0.1:8888/poc.html (89)
[3640:3640:0416/192350.947150:INFO:CONSOLE:90] "WebGL: INVALID_VALUE: vertexAttribPointer: index out of range", source: http://127.0.0.1:8888/poc.html (90)
[3640:3640:0416/192350.947237:INFO:CONSOLE:93] "WebGL: INVALID_OPERATION: drawArrays: no valid shader program in use", source: http://127.0.0.1:8888/poc.html (93)
[3640:3640:0416/192350.947500:INFO:CONSOLE:10] "DONE: drew with OOB FragData index", source: http://127.0.0.1:8888/poc.html (10)