https://bugs.kde.org/show_bug.cgi?id=452610
Bug ID: 452610
Summary: WebRTC in Chromium: Failed to query DMA-BUF modifiers
Product: kwin
Version: 5.24.4
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: pos...@posteo.eu
Target Milestone: ---
Created attachment 148153
--> https://bugs.kde.org/attachment.cgi?id=148153&action=edit
KWin Wayland Support Information
SUMMARY
Using the demo on
`https://www.webrtc-experiment.com/Pluginfree-Screen-Sharing`, screen-sharing
randomly works and randomly doesn't (black screen or distorted image).
However, I see lot's of `Failed to query DMA-BUF modifiers.` errors, when the
the Screen/Window choosing dialog is opened and also during the sharing:
```
> /usr/bin/chromium --enable-features=WebRTCPipeWireCapturer
> --ozone-platform=wayland --enable-usermedia-screen-capturing
[7443:7443:0414/135318.713376:ERROR:cursor_loader.cc(116)] Failed to load a
platform cursor of type kNull
[7484:7484:0414/135318.728342:ERROR:gpu_init.cc(446)] Passthrough is not
supported, GL is egl, ANGLE is
[7484:7484:0414/135318.729957:ERROR:sandbox_linux.cc(377)] InitializeSandbox()
called with multiple threads in process gpu-process.
[7443:7443:0414/135318.863266:ERROR:cursor_loader.cc(116)] Failed to load a
platform cursor of type kNull
[7443:7443:0414/135330.880690:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
[7443:7443:0414/135330.880705:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
[7443:7443:0414/135330.880712:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
[7443:7443:0414/135330.880717:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
[7443:7443:0414/135334.703081:ERROR:screencast_portal.cc(447)] Failed to start
the screen cast session.
[7443:7443:0414/135334.703092:ERROR:base_capturer_pipewire.cc(36)]
ScreenCastPortal failed: 1
[7443:7443:0414/135341.982907:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
[7443:7443:0414/135341.982924:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
[7443:7443:0414/135341.982932:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
[7443:7443:0414/135341.982940:ERROR:egl_dmabuf.cc(660)] Failed to query DMA-BUF
modifiers.
(...)
```
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20220412
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.2
Kernel Version: 5.17.1-1-default (64-bit)
Graphics Platform: Wayland
Graphics Processor: AMD Radeon RX 580 Series
Version 100.0.4896.88 (openSUSE Build) stable (64-bit) (no addons; fresh
profile)
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