https://bugs.kde.org/show_bug.cgi?id=385775
Bug ID: 385775
Summary: KDE Plasma on Wayland unable to start with Intel GMA
3100
Product: plasmashell
Version: 5.11.0
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: generic-wayland
Assignee: plasma-b...@kde.org
Reporter: uflei...@users.sourceforge.net
Target Milestone: 1.0
Overview:
When I try to start a Plasma Wayland session from SDDM, it stops with the
following dialog:
Plasma is unable to start as it could not correctly use OpenGL 2.
Please check that your graphics drivers are set up correctly.
Steps to Reproduce:
In SDDM, select "Plasma (Wayland)", then log in.
Actual Results:
An error dialog is displayed as described above. The user interface does not
react to input, but it is possible to switch to another console using
Ctrl-Alt-Fn.
Expected Results:
Starting of Plasma Desktop with Wayland.
Build Date & Platform:
Hardware: HP Compaq DC7800 with Intel GMA 3100 graphics (Mesa DRI Intel(R) Q35,
OpenGL 2.1, DRI driver: i915)
Software: Arch Linux with latest updates as of 2017-10-15.
$ pacman -Q plasma-wayland-session qt5-base wayland xorg-server
xf86-video-intel linux-lts
plasma-wayland-session 5.11.0-2
qt5-base 5.9.2-1
wayland 1.14.0-1
xorg-server 1.19.5-1
xf86-video-intel 1:2.99.917+794+ga384b462-1
linux-lts 4.9.56-1
Additional Information:
Plasma Wayland used to work when Arch Linux was at Qt 5.7.
I tried to find the source of the problem. The error dialog is opened by
/usr/bin/plasmashell, after creating instances of QQuickWindow subclasses
(DesktopView, PanelView) in plasma-workspace/shell/shellcorona.cpp,
sceneGraphError() is signalled, which will then lead to this dialog. So the
problem must be QtQuick on Wayland. Running kwin_wayland seems to work
~~~
export $(dbus-launch)
export QT_QPA_PLATFORM=wayland
export XKB_DEFAULT_LAYOUT=ch
export XKB_DEFAULT_VARIANT=de_sundeadkeys
export XKB_DEFAULT_MODEL=pc105
export GDK_BACKEND=wayland
kwin_wayland --xwayland --exit-with-session=konsole
~~~
Starting weston seems to work too, so I started Weston and tried to start
QtQuick apps from the Weston shell, for instance the Qt Quick Controls 2
gallery example:
~~~
QT_QPA_PLATFORM=wayland-egl EGL_LOG_LEVEL=debug
~/src/quickcontrols2/gallery/gallery
Using Wayland-EGL
libEGL debug: Native platform type: x11 (build-time configuration)
libEGL debug: added egl_dri2 to module array
libEGL debug: the best driver is DRI2 (test only)
libEGL debug: pci id for fd 6: 8086:29b2, driver i915
libEGL debug: DRI2: dlopen(/usr/lib/xorg/modules/dri/i915_dri.so)
libEGL debug: found extension `DRI_Core'
libEGL info: found extension DRI_Core version 1
libEGL debug: found extension `DRI_IMAGE_DRIVER'
libEGL debug: found extension `DRI_DRI2'
libEGL info: found extension DRI_DRI2 version 4
libEGL debug: found extension `DRI_DriverVtable'
libEGL debug: found extension `DRI_ConfigOptions'
libEGL debug: found extension `DRI_TexBuffer'
libEGL info: found extension DRI_TexBuffer version 3
libEGL debug: found extension `DRI2_Fence'
libEGL debug: found extension `DRI2_Flush'
libEGL info: found extension DRI2_Flush version 3
libEGL debug: found extension `DRI_IMAGE'
libEGL info: found extension DRI_IMAGE version 7
libEGL debug: found extension `DRI_RENDERER_QUERY'
libEGL debug: found extension `DRI_CONFIG_QUERY'
libEGL debug: found extension `DRI_NoError'
libEGL debug: found extension `DRI_TexBuffer'
libEGL debug: found extension `DRI2_Fence'
libEGL info: found extension DRI2_Fence version 1
libEGL debug: found extension `DRI2_Flush'
libEGL debug: found extension `DRI_IMAGE'
libEGL debug: found extension `DRI_RENDERER_QUERY'
libEGL info: found extension DRI_RENDERER_QUERY version 1
libEGL debug: found extension `DRI_CONFIG_QUERY'
libEGL info: found extension DRI_CONFIG_QUERY version 1
libEGL debug: found extension `DRI_NoError'
libEGL info: found extension DRI_NoError version 1
libEGL debug: did not find optional extension DRI_Robustness version 1
libEGL debug: did not find optional extension DRI2_Interop version 1
libEGL debug: the best driver is DRI2
libpng warning: iCCP: known incorrect sRGB profile
Using the 'xdg-shell-v6' shell integration
libEGL debug: EGL user error 0x3009 (EGL_BAD_MATCH) in dri2_create_context
libEGL debug: EGL user error 0x3009 (EGL_BAD_MATCH) in dri2_create_context
QWaylandGLContext: failed to create EGLContext, error=3009
libEGL debug: EGL user error 0x3006 (EGL_BAD_CONTEXT) in eglDestroyContext
Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1,
greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8,
samples -1, swapBehavior QSurfaceFormat::SwapBehavior(DoubleBuffer),
swapInterval 1, profile QSurfaceFormat::OpenGLContextProfile(NoProfile))
~~~
The error occurs in QSGThreadedRenderLoop::handleExposure()
(hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp) the two
eglCreateContext() calls fail with EGL_BAD_MATCH:
~~~
m_context = eglCreateContext(m_eglDisplay, m_config, m_shareEGLContext,
eglContextAttrs.constData());
if (m_context == EGL_NO_CONTEXT) {
m_context = eglCreateContext(m_eglDisplay, m_config, EGL_NO_CONTEXT,
eglContextAttrs.constData());
m_shareEGLContext = EGL_NO_CONTEXT;
}
EGLint error = eglGetError();
if (error != EGL_SUCCESS) {
qWarning("QWaylandGLContext: failed to create EGLContext, error=%x",
error);
return;
}
~~~
I do not know enough about OpenGL and EGL to proceed here. The arguments are
m_shareEGLContext=0 and eglContextAttrs = { [0] = 12440, [1] = 2, [2] = 12539,
[3] = 0, [4] = 12541, [5] = 2, [6] = 12344 }.
What I noticed are different outputs of glxinfo -B; eglinfo; es2_info in X11
and Wayland, see appendix below. Wayland seems to use software rendering
(llvmpipe).
I finally tried the QtQuick apps using software rendering.
QT_QPA_PLATFORM=wayland-egl QMLSCENE_DEVICE=softwarecontext
~/src/quickcontrols2/gallery/gallery
This looks as if it was running, but it is not fully functional, for example
clicking the buttons does not do anything. On X11, it works.
QT_QPA_PLATFORM=wayland-egl LIBGL_ALWAYS_SOFTWARE=1
~/src/quickcontrols2/gallery/gallery
This works. So I finally managed to run a Plasma Wayland session using the
following configuration:
/etc/xdg/plasma-workspace/env/plasma-wayland-env.sh
~~~
if test "$XDG_SESSION_TYPE" = "wayland"; then
export LIBGL_ALWAYS_SOFTWARE=1
export XKB_DEFAULT_LAYOUT=ch
export XKB_DEFAULT_VARIANT=de_sundeadkeys
export XKB_DEFAULT_MODEL=pc105
export GDK_BACKEND=wayland
fi
~~~
But I think that this is not how it's meant to be, so I am reporting it anyway.
Is there a way to make it work without hacks?
~~~
Appendix: Output of "glxinfo -B; eglinfo; es2_info" on X11 and Wayland.
X11:
~~~
name of display: :0
display: :0 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel Open Source Technology Center (0x8086)
Device: Mesa DRI Intel(R) Q35 (0x29b2)
Version: 17.2.2
Accelerated: yes
Video memory: 384MB
Unified memory: yes
Preferred profile: compat (0x2)
Max core profile version: 0.0
Max compat profile version: 1.4
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 2.0
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Q35
OpenGL version string: 2.1 Mesa 17.2.2
OpenGL shading language version string: 1.20
OpenGL ES profile version string: OpenGL ES 2.0 Mesa 17.2.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16
EGL API version: 1.4
EGL vendor string: Mesa Project
EGL version string: 1.4 (DRI2)
EGL client APIs: OpenGL OpenGL_ES
EGL extensions string:
EGL_CHROMIUM_sync_control 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_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_wait_sync
EGL_MESA_configless_context EGL_MESA_drm_image EGL_NOK_swap_region
EGL_NOK_texture_from_pixmap EGL_NV_post_sub_buffer
EGL_WL_bind_wayland_display
EGL client extensions string:
EGL_EXT_platform_base EGL_KHR_client_get_all_proc_addresses
EGL_EXT_client_extensions EGL_KHR_debug EGL_EXT_platform_wayland
EGL_EXT_platform_x11 EGL_MESA_platform_gbm
Configurations:
bf lv colorbuffer dp st ms vis cav bi renderable supported
id sz l r g b a th cl ns b id eat nd gl es es2 vg surfaces
---------------------------------------------------------------------
0x01 32 0 8 8 8 8 0 0 0 0 0x20TC a y y y win,pb,pix
0x02 32 0 8 8 8 8 24 8 0 0 0x20TC a y y y win,pb,pix
0x03 24 0 8 8 8 0 0 0 0 0 0x20TC y y y y win,pb,pix
0x04 24 0 8 8 8 0 24 8 0 0 0x20TC y y y y win,pb,pix
0x05 32 0 8 8 8 8 0 0 0 0 0x21DC a y y y win,pb,pix
0x06 32 0 8 8 8 8 24 8 0 0 0x21DC a y y y win,pb,pix
0x07 24 0 8 8 8 0 0 0 0 0 0x21DC y y y y win,pb,pix
0x08 24 0 8 8 8 0 24 8 0 0 0x21DC y y y y win,pb,pix
EGL_VERSION: 1.4 (DRI2)
EGL_VENDOR: Mesa Project
EGL_EXTENSIONS:
EGL_CHROMIUM_sync_control, 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_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_wait_sync,
EGL_MESA_configless_context, EGL_MESA_drm_image, EGL_NOK_swap_region,
EGL_NOK_texture_from_pixmap, EGL_NV_post_sub_buffer,
EGL_WL_bind_wayland_display
EGL_CLIENT_APIS: OpenGL OpenGL_ES
GL_VERSION: OpenGL ES 2.0 Mesa 17.2.2
GL_RENDERER: Mesa DRI Intel(R) Q35
GL_EXTENSIONS:
GL_EXT_blend_minmax, GL_EXT_multi_draw_arrays,
GL_EXT_texture_filter_anisotropic, GL_EXT_texture_compression_dxt1,
GL_EXT_texture_format_BGRA8888, GL_OES_depth24, GL_OES_element_index_uint,
GL_OES_fbo_render_mipmap, GL_OES_mapbuffer, GL_OES_rgb8_rgba8,
GL_OES_stencil8, GL_OES_texture_3D, GL_OES_texture_npot,
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_sync, GL_OES_vertex_array_object,
GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5,
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_OES_surfaceless_context, GL_EXT_separate_shader_objects,
GL_EXT_draw_elements_base_vertex, GL_EXT_texture_border_clamp,
GL_KHR_context_flush_control, GL_OES_draw_elements_base_vertex,
GL_OES_texture_border_clamp, GL_KHR_no_error
~~~
Wayland:
~~~
name of display: :1
display: :1 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: VMware, Inc. (0xffffffff)
Device: llvmpipe (LLVM 5.0, 128 bits) (0xffffffff)
Version: 17.2.2
Accelerated: no
Video memory: 4884MB
Unified memory: no
Preferred profile: core (0x1)
Max core profile version: 3.3
Max compat profile version: 3.0
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.0
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 5.0, 128 bits)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 17.2.2
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 3.0 Mesa 17.2.2
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 17.2.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
EGL API version: 1.4
EGL vendor string: Mesa Project
EGL version string: 1.4 (DRI2)
EGL client APIs: OpenGL OpenGL_ES
EGL extensions string:
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_no_config_context EGL_KHR_reusable_sync
EGL_KHR_surfaceless_context EGL_KHR_wait_sync
EGL_MESA_configless_context
EGL client extensions string:
EGL_EXT_platform_base EGL_KHR_client_get_all_proc_addresses
EGL_EXT_client_extensions EGL_KHR_debug EGL_EXT_platform_wayland
EGL_EXT_platform_x11 EGL_MESA_platform_gbm
Configurations:
bf lv colorbuffer dp st ms vis cav bi renderable supported
id sz l r g b a th cl ns b id eat nd gl es es2 vg surfaces
---------------------------------------------------------------------
0x01 32 0 8 8 8 8 0 0 0 0 0x24TC a y y y win,pb,pix
0x02 32 0 8 8 8 8 16 0 0 0 0x24TC a y y y win,pb,pix
0x03 32 0 8 8 8 8 24 0 0 0 0x24TC a y y y win,pb,pix
0x04 32 0 8 8 8 8 24 8 0 0 0x24TC a y y y win,pb,pix
0x05 32 0 8 8 8 8 32 0 0 0 0x24TC a y y y win,pb,pix
0x06 24 0 8 8 8 0 0 0 0 0 0x24TC y y y y win,pb,pix
0x07 24 0 8 8 8 0 16 0 0 0 0x24TC y y y y win,pb,pix
0x08 24 0 8 8 8 0 24 0 0 0 0x24TC y y y y win,pb,pix
0x09 24 0 8 8 8 0 24 8 0 0 0x24TC y y y y win,pb,pix
0x0a 24 0 8 8 8 0 32 0 0 0 0x24TC y y y y win,pb,pix
0x0b 32 0 8 8 8 8 0 0 0 0 0x25DC a y y y win,pb,pix
0x0c 32 0 8 8 8 8 16 0 0 0 0x25DC a y y y win,pb,pix
0x0d 32 0 8 8 8 8 24 0 0 0 0x25DC a y y y win,pb,pix
0x0e 32 0 8 8 8 8 24 8 0 0 0x25DC a y y y win,pb,pix
0x0f 32 0 8 8 8 8 32 0 0 0 0x25DC a y y y win,pb,pix
0x10 24 0 8 8 8 0 0 0 0 0 0x25DC y y y y win,pb,pix
0x11 24 0 8 8 8 0 16 0 0 0 0x25DC y y y y win,pb,pix
0x12 24 0 8 8 8 0 24 0 0 0 0x25DC y y y y win,pb,pix
0x13 24 0 8 8 8 0 24 8 0 0 0x25DC y y y y win,pb,pix
0x14 24 0 8 8 8 0 32 0 0 0 0x25DC y y y y win,pb,pix
EGL_VERSION: 1.4 (DRI2)
EGL_VENDOR: Mesa Project
EGL_EXTENSIONS:
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_no_config_context, EGL_KHR_reusable_sync,
EGL_KHR_surfaceless_context, EGL_KHR_wait_sync,
EGL_MESA_configless_context
EGL_CLIENT_APIS: OpenGL OpenGL_ES
GL_VERSION: OpenGL ES 3.0 Mesa 17.2.2
GL_RENDERER: llvmpipe (LLVM 5.0, 128 bits)
GL_EXTENSIONS:
GL_EXT_blend_minmax, GL_EXT_multi_draw_arrays,
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_float_linear,
GL_OES_texture_half_float, GL_OES_texture_half_float_linear,
GL_OES_texture_npot, GL_OES_vertex_half_float, 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_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5,
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_OES_depth_texture_cube_map, GL_OES_surfaceless_context,
GL_EXT_color_buffer_float, GL_EXT_separate_shader_objects,
GL_EXT_shader_integer_mix, GL_EXT_base_instance,
GL_EXT_compressed_ETC1_RGB8_sub_texture, GL_EXT_copy_image,
GL_EXT_draw_buffers_indexed, GL_EXT_draw_elements_base_vertex,
GL_EXT_polygon_offset_clamp, GL_EXT_texture_border_clamp,
GL_KHR_context_flush_control, GL_OES_copy_image,
GL_OES_draw_buffers_indexed, GL_OES_draw_elements_base_vertex,
GL_OES_texture_border_clamp, GL_OES_texture_stencil8,
GL_EXT_blend_func_extended, GL_KHR_no_error, GL_EXT_clip_cull_distance,
GL_MESA_shader_integer_functions
~~~
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