Hello,
I received my Longmill recently and decided to purchase a pi4 and follow Paul’s gsender on raspberry pi4 setup from FB since it seemed to work well. I followed his steps exactly and when I startup gsender the visualizer is blank (see attached image).
I’m using a raspberry pi4 version B with raspberry pi full OS.
I am able to jog the machine and probe, etc. but cannot load a project without the visualizer.
I read through these forums and the FB group and have tried several remedies over the last couple of days. I’ve ensured chromium hardware acceleration is enabled and chrome://gpu shows webGL and webGL2 are hardware accelerated (see gpu log below). WebGL seems to work when i visit the website with the spinning box. I also attached an image of an error I receive when I startup gsender some of the time. It does not always pop up. I also verified the pi is fully updated.
I tried the latest version of gsener as well as the version in Paul’s video and saw the same results. I also tried imaging the pi to 64 bit pi OS and then to use the other versions of gsender in the Github repo but they only loaded the splash screen and froze.
I saw a related post by [Aer-O-Craft] and upgrading Windows seemed to fix the issue for them. But I am in a different OS. So any guidance you can provide would be greatly appreciated since I purchased the pi specifically for this application.
Thanks,
Stuart
Graphics Feature Status
- Canvas: Hardware accelerated
- Canvas out-of-process rasterization: Disabled
- Compositing: Hardware accelerated
- Multiple Raster Threads: Enabled
- Out-of-process Rasterization: Hardware accelerated
- OpenGL: Enabled
- Rasterization: Hardware accelerated
- Skia Renderer: Enabled
- Video Decode: Software only. Hardware acceleration disabled
- Vulkan: Disabled
- WebGL: Hardware accelerated
- WebGL2: Hardware accelerated
Driver Bug Workarounds
- clear_uniforms_before_first_program_use
- count_all_in_varyings_packing
- enable_webgl_timer_query_extensions
- exit_on_context_lost
- rely_on_implicit_sync_for_swap_buffers
- disabled_extension_GL_KHR_blend_equation_advanced
- disabled_extension_GL_KHR_blend_equation_advanced_coherent
Problems Detected
- Accelerated video decode has been disabled, either via blocklist, about:flags or the command line.
Disabled Features: video_decode - Clear uniforms before first program use on all platforms: [124764]
Applied Workarounds: clear_uniforms_before_first_program_use - Mesa drivers in Linux handle varyings without static use incorrectly: [333885]
Applied Workarounds: count_all_in_varyings_packing - Disable KHR_blend_equation_advanced until cc shaders are updated: [661715]
Applied Workarounds: disable(GL_KHR_blend_equation_advanced), disable(GL_KHR_blend_equation_advanced_coherent) - Expose WebGL’s disjoint_timer_query extensions on platforms with site isolation: [808744]
Applied Workarounds: enable_webgl_timer_query_extensions - Some drivers can’t recover after OUT_OF_MEM and context lost: [893177]
Applied Workarounds: exit_on_context_lost - Avoid waiting on a egl fence before swapping buffers and rely on implicit sync on Broadcom GPUs: [938286]
Applied Workarounds: rely_on_implicit_sync_for_swap_buffers
Version Information
| Data exported | 2021-12-16T06:59:53.054Z |
|---|---|
| Chrome version | Chrome/95.0.4638.78 |
| Operating system | Linux 5.10.63-v7l+ |
| Software rendering list URL | gpu/config/software_rendering_list.json - chromium/src - Git at Google |
| Driver bug list URL | gpu/config/gpu_driver_bug_list.json - chromium/src - Git at Google |
| ANGLE commit id | 115fe74c8cee |
| 2D graphics backend | Skia/95 565e21c650d81ce861d0d54b0dd4fc247ad58ae6 |
| Command Line | /usr/lib/chromium-browser/chromium-browser --force-renderer-accessibility --enable-remote-extensions --enable-pinch --enable-crashpad --flag-switches-begin --enable-webgl-developer-extensions --enable-webgl-draft-extensions --enable-features=EnableDrDc,Vulkan --flag-switches-end |
Driver Information
| Initialization time | 759 |
|---|---|
| In-process GPU | false |
| Passthrough Command Decoder | false |
| Sandboxed | true |
| GPU0 | VENDOR= 0x0000 [Broadcom], DEVICE=0x0000 [V3D 4.2] ACTIVE |
| Optimus | false |
| AMD switchable | false |
| Driver vendor | Mesa |
| Driver version | 20.3.5 |
| GPU CUDA compute capability major version | 0 |
| Pixel shader version | 3.10 |
| Vertex shader version | 3.10 |
| Max. MSAA samples | 4 |
| Machine model name | |
| Machine model version | |
| GL_VENDOR | Broadcom |
| GL_RENDERER | V3D 4.2 |
| GL_VERSION | OpenGL ES 3.1 Mesa 20.3.5 |
| GL_EXTENSIONS | GL_EXT_blend_minmax GL_EXT_multi_draw_arrays GL_EXT_texture_compression_s3tc GL_EXT_texture_compression_dxt1 GL_EXT_texture_format_BGRA8888 GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth24 GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_mapbuffer GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_stencil8 GL_OES_texture_3D GL_OES_texture_float GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_half_float GL_EXT_draw_instanced GL_EXT_texture_sRGB_decode GL_OES_EGL_image GL_OES_depth_texture GL_OES_packed_depth_stencil GL_EXT_texture_type_2_10_10_10_REV GL_OES_get_program_binary GL_APPLE_texture_max_level GL_EXT_discard_framebuffer GL_EXT_read_format_bgra GL_EXT_frag_depth GL_NV_fbo_color_attachments GL_OES_EGL_image_external GL_OES_EGL_sync GL_OES_vertex_array_object GL_ANGLE_pack_reverse_row_order GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_EXT_occlusion_query_boolean GL_EXT_texture_rg GL_EXT_unpack_subimage GL_NV_draw_buffers GL_NV_read_buffer GL_NV_read_depth GL_NV_read_depth_stencil GL_NV_read_stencil GL_EXT_draw_buffers GL_EXT_map_buffer_range GL_KHR_debug GL_KHR_texture_compression_astc_ldr GL_NV_pixel_buffer_object GL_OES_depth_texture_cube_map GL_OES_required_internalformat GL_OES_surfaceless_context GL_EXT_color_buffer_float GL_EXT_sRGB_write_control GL_EXT_separate_shader_objects GL_EXT_shader_implicit_conversions GL_EXT_shader_integer_mix GL_EXT_base_instance GL_EXT_compressed_ETC1_RGB8_sub_texture GL_EXT_draw_elements_base_vertex GL_EXT_primitive_bounding_box GL_EXT_shader_io_blocks GL_EXT_texture_border_clamp GL_KHR_context_flush_control GL_NV_image_formats GL_OES_draw_elements_base_vertex GL_OES_primitive_bounding_box GL_OES_shader_io_blocks GL_OES_texture_border_clamp GL_OES_texture_stencil8 GL_OES_texture_storage_multisample_2d_array GL_EXT_buffer_storage GL_EXT_float_blend GL_EXT_geometry_point_size GL_EXT_geometry_shader GL_KHR_no_error GL_KHR_texture_compression_astc_sliced_3d GL_OES_EGL_image_external_essl3 GL_OES_geometry_point_size GL_OES_geometry_shader GL_OES_shader_image_atomic GL_EXT_texture_compression_s3tc_srgb GL_MESA_shader_integer_functions GL_KHR_parallel_shader_compile GL_EXT_EGL_image_storage GL_MESA_framebuffer_flip_y GL_EXT_texture_query_lod |
| Disabled Extensions | GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent |
| Disabled WebGL Extensions | |
| Window system binding vendor | Mesa Project |
| Window system binding version | 1.4 |
| Window system binding extensions | EGL_ANDROID_blob_cache EGL_CHROMIUM_sync_control EGL_EXT_buffer_age EGL_EXT_image_dma_buf_import EGL_EXT_image_dma_buf_import_modifiers EGL_EXT_swap_buffers_with_damage EGL_KHR_cl_event2 EGL_KHR_config_attribs EGL_KHR_create_context EGL_KHR_create_context_no_error EGL_KHR_fence_sync EGL_KHR_get_all_proc_addresses EGL_KHR_gl_colorspace EGL_KHR_gl_renderbuffer_image EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_3D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_image EGL_KHR_image_base EGL_KHR_image_pixmap EGL_KHR_no_config_context EGL_KHR_reusable_sync EGL_KHR_surfaceless_context EGL_KHR_swap_buffers_with_damage EGL_EXT_pixel_format_float EGL_KHR_wait_sync EGL_MESA_configless_context EGL_MESA_drm_image EGL_MESA_image_dma_buf_export EGL_MESA_query_driver EGL_NOK_texture_from_pixmap |
| XDG_CURRENT_DESKTOP | LXDE |
| XDG_SESSION_TYPE | x11 |
| GDMSESSION | lightdm-xsession |
| Ozone platform | x11 |
| Direct rendering version | unknown |
| Reset notification strategy | 0x0000 |
| GPU process crash count | 0 |
| gfx::BufferFormats supported for allocation and texturing | R_8: not supported, R_16: not supported, RG_88: not supported, BGR_565: not supported, RGBA_4444: not supported, RGBX_8888: not supported, RGBA_8888: not supported, BGRX_8888: not supported, BGRA_1010102: not supported, RGBA_1010102: not supported, BGRA_8888: not supported, RGBA_F16: not supported, YVU_420: not supported, YUV_420_BIPLANAR: not supported, P010: not supported |
).