Xwayland

Fri Sep 6 16:09:19 UTC 2019

> On Sep 6, 2019, at 3:14 AM, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> 
> On Thu, 5 Sep 2019 11:36:50 -0400
> Jd Lyons <lyons_dj at yahoo.com> wrote:
> 
>>> On Sep 5, 2019, at 3:55 AM, Pekka Paalanen <ppaalanen at gmail.com> wrote:
>>> 
>>> On Tue, 3 Sep 2019 18:00:02 +0000 (UTC)
>>> Jd Lyons <lyons_dj at yahoo.com> wrote:
>>> 
>>>> I'm trying to run Xwayland within weston without Xorg running, I just
>>>> want to be able to run Weston/Wayland and be able to run X11 apps
>>>> within. The trouble I am having is Xwayland won't run any X11 apps
>>>> outside of just running Weston within X11. I'm a little confused
>>>> about how to go about this and if I should be using /usr/bin/Xwayland
>>>> or the xwayland.so?  
>>> 
>>> Hi,
>>> 
>>> you need both. xwayland.so is the Weston plugin that will automatically
>>> execute /usr/bin/Xwayland when the first X11 app attempts to connect.
> 
> Hi,
> 
> could I ask you to reply with the mailing list in CC, please? I prefer
> to keep things public if at all possible.

Sorry, I thought I did cc the list.

> 
>>> If you redirect weston's both stdout and stderr to a file, you might
>>> catch more messages from Xwayland which would hopefully shed more light
>>> to why it seems to crash.
>>> 
>> 
>> How may I go about redirecting that to a file?
> 
> If you're using bash as your shell, then to whatever command you use to
> start Weston, append: &> mylog.txt
> 
> You can also drop the '--log' weston option, so Weston logs go into the
> same file too. Unfortunately '--log' does not capture the stdout/stderr
> of other programs, that's why this manual fiddling is necessary.
> 
> 

Doesn’t seem to offer much more than the log option:

Date: 2019-09-06 EDT
[11:38:08.663] weston 6.0.1
               https://wayland.freedesktop.org
               Bug reports to: https://gitlab.freedesktop.org/wayland/weston/issues/
               Build: 6.0.1
[11:38:08.663] Command line: /usr/bin/weston
[11:38:08.663] OS: Linux, 4.16.0-1-powerpc64, #1 SMP Debian 4.16.5-1 (2018-04-29), ppc64
[11:38:08.692] Using config file '/home/jam/.config/weston.ini'
[11:38:08.709] Output repaint window is 7 ms maximum.
[11:38:08.752] Loading module '/usr/lib/powerpc64-linux-gnu/libweston-6/drm-backend.so'
[11:38:08.833] initializing drm backend
[11:38:08.838] logind: session control granted
[11:38:08.841] using /dev/dri/card0
[11:38:08.841] DRM: supports universal planes
[11:38:08.841] DRM: does not support atomic modesetting
[11:38:08.841] DRM: does not support picture aspect ratio
[11:38:08.859] Loading module '/usr/lib/powerpc64-linux-gnu/libweston-6/gl-renderer.so'
[11:38:12.800] EGL client extensions: EGL_EXT_device_base
               EGL_EXT_device_enumeration EGL_EXT_device_query
               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 EGL_MESA_platform_surfaceless
[11:38:12.802] EGL version: 1.4
[11:38:12.802] EGL vendor: Mesa Project
[11:38:12.802] EGL client APIs: OpenGL OpenGL_ES 
[11:38:12.802] EGL extensions: EGL_EXT_buffer_age EGL_EXT_image_dma_buf_import
               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_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_EXT_pixel_format_float
               EGL_KHR_wait_sync EGL_MESA_configless_context
               EGL_MESA_drm_image EGL_MESA_image_dma_buf_export
               EGL_WL_bind_wayland_display
[11:38:12.802] warning: Disabling render GPU timeline and explicit synchronization due to missing EGL_ANDROID_native_fence_sync extension
[11:38:12.802] EGL_KHR_surfaceless_context available
[11:38:13.217] GL version: OpenGL ES 2.0 Mesa 19.1.4
[11:38:13.218] GLSL version: OpenGL ES GLSL ES 1.0.16
[11:38:13.218] GL vendor: nouveau
[11:38:13.218] GL renderer: NV43
[11:38:13.218] GL extensions: GL_EXT_blend_minmax GL_EXT_multi_draw_arrays
               GL_EXT_texture_filter_anisotropic
               GL_EXT_texture_compression_s3tc 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_vertex_half_float
               GL_OES_EGL_image GL_OES_depth_texture
               GL_OES_packed_depth_stencil GL_NV_conditional_render
               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_occlusion_query_boolean 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_required_internalformat 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 GL_EXT_disjoint_timer_query
               GL_EXT_texture_compression_s3tc_srgb
               GL_KHR_parallel_shader_compile GL_EXT_depth_clamp
[11:38:13.218] GL ES 2 renderer features:
               read-back format: BGRA
               wl_shm sub-image to texture: yes
               EGL Wayland extension: yes
[11:38:13.286] event0  - Microsoft Microsoft® 2.4GHz Transceiver v7.0: is tagged by udev as: Keyboard
[11:38:13.286] event0  - Microsoft Microsoft® 2.4GHz Transceiver v7.0: device is a keyboard
[11:38:13.293] event1  - Microsoft Microsoft® 2.4GHz Transceiver v7.0: is tagged by udev as: Keyboard Mouse
[11:38:13.293] event1  - Microsoft Microsoft® 2.4GHz Transceiver v7.0: device is a pointer
[11:38:13.293] event1  - Microsoft Microsoft® 2.4GHz Transceiver v7.0: device is a keyboard
[11:38:13.300] event2  - Microsoft Microsoft® 2.4GHz Transceiver v7.0: is tagged by udev as: Keyboard
[11:38:13.300] event2  - Microsoft Microsoft® 2.4GHz Transceiver v7.0: device is a keyboard
[11:38:13.306] event3  - HID 05ac:1000: is tagged by udev as: Keyboard
[11:38:13.307] event3  - HID 05ac:1000: device is a keyboard
[11:38:13.369] event4  - HID 05ac:1000: is tagged by udev as: Mouse
[11:38:13.370] event4  - HID 05ac:1000: device is a pointer
[11:38:14.039] libinput: configuring device "Microsoft Microsoft® 2.4GHz Transceiver v7.0".
[11:38:14.039] libinput: configuring device "Microsoft Microsoft® 2.4GHz Transceiver v7.0".
[11:38:14.039] libinput: configuring device "Microsoft Microsoft® 2.4GHz Transceiver v7.0".
[11:38:14.039] libinput: configuring device "HID 05ac:1000".
[11:38:14.039] libinput: configuring device "HID 05ac:1000".
[11:38:14.071] DRM: head 'DVI-I-1' found, connector 38 is connected, EDID make 'DEL', model 'DELL 1704FPT', serial 'Y42994B1AAHK'
[11:38:14.114] DRM: head 'DVI-I-2' found, connector 41 is disconnected.
[11:38:14.114] Registered plugin API 'weston_drm_output_api_v1' of size 24
[11:38:14.114] Registered plugin API 'weston_drm_virtual_output_api_v1' of size 48
[11:38:14.114] Chosen EGL config details:
               RGBA bits: 8 8 8 0
               swap interval range: 1 - 1
[11:38:14.114] Output DVI-I-1 (crtc 35) video modes:
               1280x1024 at 60.0, preferred, current, 108.0 MHz
               1280x1024 at 75.0, 135.0 MHz
               1152x864 at 75.0, 108.0 MHz
               1024x768 at 75.0, 78.8 MHz
               1024x768 at 60.0, 65.0 MHz
               800x600 at 75.0, 49.5 MHz
               800x600 at 60.3, 40.0 MHz
               640x480 at 75.0, 31.5 MHz
               640x480 at 59.9, 25.2 MHz
               720x400 at 70.1, 28.3 MHz
[11:38:14.114] associating input device event0 with output DVI-I-1 (none by udev)
[11:38:14.114] associating input device event1 with output DVI-I-1 (none by udev)
[11:38:14.114] associating input device event2 with output DVI-I-1 (none by udev)
[11:38:14.114] associating input device event3 with output DVI-I-1 (none by udev)
[11:38:14.114] associating input device event4 with output DVI-I-1 (none by udev)
[11:38:14.114] Output 'DVI-I-1' enabled with head(s) DVI-I-1
[11:38:14.115] Compositor capabilities:
               arbitrary surface rotation: yes
               screen capture uses y-flip: yes
               presentation clock: CLOCK_MONOTONIC, id 1
               presentation clock resolution: 0.000000001 s
[11:38:14.162] Loading module '/usr/lib/powerpc64-linux-gnu/weston/desktop-shell.so'
[11:38:14.238] launching '/usr/lib/powerpc64-linux-gnu/weston-keyboard'
[11:38:14.295] Loading module '/usr/lib/powerpc64-linux-gnu/libweston-6/xwayland.so'
[11:38:14.551] Registered plugin API 'weston_xwayland_v1' of size 32
[11:38:14.551] Registered plugin API 'weston_xwayland_surface_v1' of size 16
[11:38:14.551] xserver listening on display :0
[11:38:14.551] launching '/usr/lib/powerpc64-linux-gnu/weston-desktop-shell'
[11:38:26.717] Spawned Xwayland server, pid 610
[11:38:27.486] xserver crashing too fast: 4
Unimplemented windowOp 22 <——tying to launch glxgear
Unimplemented windowOp 23 <——trying to launch firefox
Unimplemented windowOp 22
Unimplemented windowOp 23

Shouldn’t we see this:

exec of '/usr/bin/Xwayland :1 -rootless -listen 54 -listen 55 -wm 56 -terminate’

If /usr/bin/Xwayland is not installed we see this exec, however, if it is installed only the xwayland.so seem to get loaded?

> Thanks,
> pq