https://bugs.kde.org/show_bug.cgi?id=508679
Bug ID: 508679
Summary: [Wayland][Xwayland] “Xwayland glamor: GBM Wayland
interfaces not available”
Classification: Plasma
Product: kwin
Version First 6.4.4
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: xwayland
Assignee: kwin-bugs-n...@kde.org
Reporter: ar...@unrivaled.ir
Target Milestone: ---
STEPS TO REPRODUCE
1. Boot Arch Linux/Linux-xanmod with RX 580 (amdgpu).
2. Log into Plasma (Wayland) session.
3. Run:
[~]# glxinfo -B | grep -E 'Accelerated|OpenGL renderer'
Accelerated: no
OpenGL renderer string: llvmpipe (LLVM 20.1.8, 256 bits)
OBSERVED RESULT
On Plasma (Wayland), xdpyinfo -display :1 -ext DRI3 → “DRI3 extension not
supported”; glxinfo -B → “Accelerated: no”, renderer = llvmpipe. Journal shows:
kwin_wayland_wrapper: Xwayland glamor: GBM Wayland interfaces not available.
EXPECTED RESULT
Xwayland exposes DRI3/glamor and GLX; glxinfo -B shows Accelerated: yes with
radeonsi (or zink (RADV…).
Environment:
- Desktop: Plasma 6.4.4 / KWin 6.4.4
- Xwayland: 24.1.8
- Mesa: 25.2.1 (also tested 25.1.7)
- libdrm: 2.4.125
- wayland / wayland-protocols: current (include versions)
- Kernel: 6.16.3.arch1-1 (also tried custom xanmod before)
- GPU: AMD Radeon RX 580 (Polaris10)
- Driver: amdgpu (RADV works; Vulkan sees the GPU)
libEGL warning: failed to get driver name for fd -1
libEGL warning: MESA-LOADER: failed to retrieve device information
libEGL warning: failed to get driver name for fd -1
Operating System: Arch Linux
KDE Plasma Version: 6.4.4
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.1
Kernel Version: 6.16.3-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 8 × 12th Gen Intel® Core™ i3-12100
Memory: 16 GiB of RAM (15.4 GiB usable)
Graphics Processor: AMD Radeon RX 580 Series
ADDITIONAL INFORMATION
I also have some others problem too:
1. when I Alt+tab, the screen freeze for 5~10 seconds
2. Fonts in browser are very very sharp
3. Can't take screenshot with"Spectacle"
Note: all problems ran when I switched my monitor to "LG UltraGear". I was
working with X11 and there wasn't any problem but after updating to Linux 6.14
and plasma 6.44, as you know, X11 removed and now I had to face these problems.
Thanks a billion
Sincerely
Artin
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