I could never get looking-glass to work
Disabling the qxl graphics card has no effect
Environment archliux
qemu 6.1.0-2
Virtual Machine Manager 3.2.0
virtio-win10-prewhql-0.1-161
looking-glass-host-B4[25c88a1c]
<devices>
...
<shmem name="looking-glass">
<model type="ivshmem-plain"/>
<size unit="M">32</size>
<address type="pci" domain="0x0000" bus="0x08" slot="0x01" function="0x0"/>
</shmem>
</devices>
looking-glass-host-service.txt
[2021-09-26 05:52:35] Startup
[2021-09-26 05:52:35] Host application exited with code 0x40
[2021-09-26 05:52:35] Host application failed to start 1 times, waiting 1000 ms...
[2021-09-26 05:52:36] Host application exited with code 0x40
[2021-09-26 05:52:36] Host application failed to start 2 times, waiting 2000 ms...
[2021-09-26 05:52:38] Host application exited with code 0x40
[2021-09-26 05:52:38] Host application failed to start 3 times, waiting 4000 ms...
[2021-09-26 05:52:42] Host application exited with code 0x40
[2021-09-26 05:52:42] Host application failed to start 4 times, waiting 8000 ms...
[2021-09-26 05:52:50] Host application exited with code 0x40
[2021-09-26 05:52:50] Host application failed to start 5 times, waiting 16000 ms...
[2021-09-26 05:53:06] Host application exited with code 0x40
[2021-09-26 05:53:06] Host application failed to start 5 times; will not restart
[2021-09-26 05:53:06] Finished
looking-glass-host.txt
[I] 36650145 delay.c:41 | delayInit | System timer resolution: 488200 ns
[I] 36650788 app.c:514 | app_main | Looking Glass Host (B4)
[I] 36656320 app.c:530 | app_main | IVSHMEM Size : 32 MiB
[I] 36656598 app.c:531 | app_main | IVSHMEM Address : 0x2A00000
[I] 36656913 app.c:532 | app_main | Max Pointer Size : 1024 KiB
[I] 36657227 app.c:533 | app_main | KVMFR Version : 10
[I] 36657671 app.c:593 | app_main | Max Frame Size : 14 MiB
[I] 36657978 app.c:614 | app_main | Trying : DXGI
[I] 36659596 dxgi.c:307 | dxgi_init | Device Name : \\.\DISPLAY1
[I] 36659936 dxgi.c:308 | dxgi_init | Device Descripion: Microsoft Basic Render Driver
[I] 36660266 dxgi.c:309 | dxgi_init | Device Vendor ID : 0x1414
[I] 36660572 dxgi.c:310 | dxgi_init | Device Device ID : 0x8c
[I] 36660943 dxgi.c:311 | dxgi_init | Device Video Mem : 0 MiB
[I] 36661570 dxgi.c:312 | dxgi_init | Device Sys Mem : 0 MiB
[I] 36662132 dxgi.c:313 | dxgi_init | Shared Sys Mem : 773 MiB
36663840 [E] dxgi.c:377 | dxgi_init | Failed to create D3D11 device: 0x887a0004 (#specified device interface or feature level is not supported on this system)
[I] 36664773 app.c:614 | app_main | Trying : NVFBC (NVidia Frame Buffer Capture)
36665749 [E] wrapper.cpp:61 | NvFBCInit | Failed to load NvFBC64.dll: 0x0000007e (#specified module cannot be found)
[E] 36666501 app.c:634 | app_main | Failed to find a supported capture interface
looking-glass-client
[I] 6295522358 main.c:1064 | main | Looking Glass (B4)
[I] 6295522390 main.c:1065 | main | Locking Method: Atomic
[I] 6295526340 ivshmem.c:127 | ivshmemOpenDev | KVMFR Device : /dev/shm/looking-glass
[I] 6295565401 egl.c:274 | egl_initialize | Double buffering is off
[I] 6295565414 main.c:671 | tryRenderer | Using Renderer: EGL
[I] 6295584380 x11.c:303 | x11Init | X11 XInput 2.0 in use
[I] 6295588771 x11.c:925 | x11GetEGLDisplay | Using eglGetPlatformDisplayEXT
[I] 6295667112 egl.c:634 | egl_render_startup | Multisampling enabled, max samples: 4
[I] 6295710995 egl.c:685 | egl_render_startup | Single buffer mode
[I] 6295971027 egl.c:701 | egl_render_startup | EGL : 1.5
[I] 6295971043 egl.c:702 | egl_render_startup | Vendor : NVIDIA Corporation
[I] 6295971046 egl.c:703 | egl_render_startup | Renderer : NVIDIA GeForce GTX 1660 Ti/PCIe/SSE2
[I] 6295971049 egl.c:704 | egl_render_startup | Version : OpenGL ES 3.2 NVIDIA 470.74
[I] 6295971056 egl.c:705 | egl_render_startup | EGL APIs : OpenGL_ES OpenGL
[I] 6295971063 egl.c:706 | egl_render_startup | Extensions: EGL_EXT_buffer_age EGL_EXT_client_sync EGL_EXT_create_context_robustness EGL_EXT_im
age_dma_buf_import EGL_EXT_image_dma_buf_import_modifiers EGL_MESA_image_dma_buf_export EGL_EXT_output_base EGL_EXT_stream_acquire_mode EGL_EXT_sync_reuse EGL_IMG_context_p
riority 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_KH
R_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_textu
re_3D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_image EGL_KHR_image_base EGL_KHR_image_pixmap 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_s
ync EGL_NV_post_sub_buffer 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 EG
L_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_or
igin EGL_NV_system_time EGL_NV_output_drm_flip_event EGL_NV_triple_buffer EGL_WL_bind_wayland_display EGL_WL_wayland_eglstream
[W] 6295971076 egl.c:721 | egl_render_startup | NVIDIA driver detected, ignoring broken DMA support
[I] 6296187599 main.c:897 | lg_run | ================================================================================
[I] 6296187618 main.c:898 | lg_run | The host application seems to not be running
[I] 6296187620 main.c:899 | lg_run | Waiting for the host application to start...
[I] 6325189501 main.c:904 | lg_run | ================================================================================
[I] 6325189521 main.c:905 | lg_run | Please check the host application is running and is the correct version
[I] 6325189523 main.c:906 | lg_run | Check the host log in your guest at %ProgramData%\Looking Glass (host)\looking-glass-host.txt
[I] 6325189528 main.c:907 | lg_run | Continuing to wait...