Bug 259644 – [GTK] Blank screen with WebKitGTK 2.41.x on Nvidia hardware

• Component: WebKitGTK
• Status: RESOLVED DUPLICATE

[Kdwk]

Tested with: Epiphany Technology Preview/ WebKitGTK 2.41.6; Nvidia RTX 4070 (driver version 535, via Universal Blue Nvidia Image)

No web view is rendered. Blank screen.

Console output:
[kdwk@fedora ~]$ flatpak run org.gnome.Epiphany.Devel 
KMS: DRM_IOCTL_MODE_CREATE_DUMB failed: Permission denied
Failed to create GBM buffer of size 1148x893: Permission denied
KMS: DRM_IOCTL_MODE_CREATE_DUMB failed: Permission denied
Failed to create GBM buffer of size 1148x893: Permission denied
KMS: DRM_IOCTL_MODE_CREATE_DUMB failed: Permission denied
Failed to create GBM buffer of size 1148x893: Permission denied
Failed to create EGL images for DMABufs with file descriptors -1, -1 and -1

[Carlos Garcia Campos]

It looks like the wrong GPU is used, could you provide the output of webkit://gpu please?

[Kdwk]

That page does not render either.

[Carlos Garcia Campos]

Yes, but you can copy the contents to the clipboard, just move the mouse where the button is, you will see the cursor change, and then click.

[Kdwk]

{
    "Version Information": {
        "WebKit version": "WebKitGTK 2.41.6 (tarball)",
        "Operating system": "Linux 6.4.6-200.fc38.x86_64 #1 SMP PREEMPT_DYNAMIC Mon Jul 24 20:51:12 UTC 2023 x86_64",
        "Desktop": "GNOME",
        "Cairo version": "1.17.9 (build) 1.17.9 (runtime)",
        "GStreamer version": "1.22.5 (build) GStreamer 1.22.5 (runtime)",
        "GTK version": "4.11.5 (build) 4.11.5 (runtime)"
    },
    "Display Information": {
        "Type": "Wayland",
        "Screen geometry": "0,0 1920x1080",
        "Screen work area": "0,0 1920x1080",
        "Depth": "24",
        "Bits per color component": "8",
        "DPI": "96",
        "DRM Device": "/dev/dri/card0",
        "DRM Render Node": "/dev/dri/renderD128"
    },
    "API": "OpenGL (libepoxy)",
    "Hardware Acceleration Information": {
        "Policy": "always",
        "WebGL enabled": "Yes",
        "Renderer": "DMABuf",
        "Native interface": "EGL",
        "GL_RENDERER": "NVIDIA GeForce RTX 4070/PCIe/SSE2",
        "GL_VENDOR": "NVIDIA Corporation",
        "GL_VERSION": "4.6.0 NVIDIA 535.86.05",
        "GL_SHADING_LANGUAGE_VERSION": "4.60 NVIDIA",
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        "EGL_VERSION": "1.5",
        "EGL_VENDOR": "NVIDIA",
        "EGL_EXTENSIONS": "EGL_EXT_platform_base EGL_EXT_device_base EGL_EXT_device_enumeration EGL_EXT_device_query EGL_KHR_client_get_all_proc_addresses EGL_EXT_client_extensions EGL_KHR_debug EGL_KHR_platform_x11 EGL_EXT_platform_x11 EGL_EXT_platform_device EGL_MESA_platform_surfaceless EGL_EXT_explicit_device EGL_KHR_platform_wayland EGL_EXT_platform_wayland EGL_KHR_platform_gbm EGL_MESA_platform_gbm EGL_EXT_platform_xcb EGL_EXT_buffer_age EGL_EXT_client_sync EGL_EXT_create_context_robustness EGL_EXT_image_dma_buf_import EGL_EXT_image_dma_buf_import_modifiers EGL_MESA_image_dma_buf_export EGL_EXT_output_base EGL_EXT_output_drm EGL_EXT_protected_content EGL_EXT_stream_consumer_egloutput EGL_EXT_stream_acquire_mode EGL_EXT_sync_reuse EGL_IMG_context_priority EGL_KHR_config_attribs EGL_KHR_create_context_no_error EGL_KHR_context_flush_control EGL_KHR_create_context EGL_KHR_fence_sync EGL_KHR_get_all_proc_addresses EGL_KHR_partial_update EGL_KHR_swap_buffers_with_damage EGL_KHR_no_config_context 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_reusable_sync EGL_KHR_stream EGL_KHR_stream_attrib EGL_KHR_stream_consumer_gltexture EGL_KHR_stream_cross_process_fd EGL_KHR_stream_fifo EGL_KHR_stream_producer_eglsurface EGL_KHR_surfaceless_context EGL_KHR_wait_sync EGL_NV_nvrm_fence_sync EGL_NV_quadruple_buffer EGL_NV_stream_consumer_eglimage EGL_NV_stream_cross_display EGL_NV_stream_cross_object EGL_NV_stream_cross_process EGL_NV_stream_cross_system EGL_NV_stream_dma EGL_NV_stream_flush EGL_NV_stream_metadata EGL_NV_stream_remote EGL_NV_stream_reset EGL_NV_stream_socket EGL_NV_stream_socket_inet EGL_NV_stream_socket_unix EGL_NV_stream_sync EGL_NV_stream_fifo_next EGL_NV_stream_fifo_synchronous EGL_NV_stream_consumer_gltexture_yuv EGL_NV_stream_attrib EGL_NV_stream_origin EGL_NV_system_time EGL_NV_output_drm_flip_event EGL_NV_triple_buffer EGL_NV_robustness_video_memory_purge EGL_EXT_present_opaque EGL_WL_bind_wayland_display EGL_WL_wayland_eglstream"
    }
}

[Carlos Garcia Campos]

Could you provide the list of cards and renderers? ls /dev/dri/

[Kdwk]

by-path  card0  renderD128

[Michael Catanzaro]

This is almost certainly the same as bug #228268. Let's continue there.

*** This bug has been marked as a duplicate of bug 228268 ***

[Michael Catanzaro]

Reopening this because this might not be a duplicate of bug #228268 after all.

[Kdwk]

Pages appear to be shown correctly in Tech Preview after WEBKIT_DISABLE_DMABUF_RENDERER=1. Unfortunately I cannot test in Canary because Canary is now completely software-rendered.

[Michael Catanzaro]

(In reply to Michael Catanzaro from comment #8)
> Reopening this because this might not be a duplicate of bug #228268 after
> all.

We decided this is not a duplicate of bug #228268 because this bug is a regression in 2.42, while that bug #228268 is a preexisting issue. Also, many GTK 3 users seem to be hitting this bug, whereas that bug is specific to GTK 4.

[Michael Catanzaro]

Surely this is bug #261874? I knew there was another bug report for this, and just picked the wrong one.

*** This bug has been marked as a duplicate of bug 261874 ***