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id type title tags importance confidence created updated
06bdf21f-dcc8-4951-bc80-45c4309987b0 problem Bambu Studio / Orca Slicer OpenGL rendering fails on NVIDIA Wayland
bambu-studio
orca-slicer
nvidia
wayland
opengl
egl
wxwidgets
3d-printing
nobara
fedora
0.9 0.8 2025-12-11T05:51:03.440364+00:00 2025-12-11T05:51:03.440364+00:00

Both Bambu Studio and Orca Slicer (wxWidgets-based slicers) fail to render 3D preview on NVIDIA RTX 4080 SUPER + Wayland (Nobara/Fedora). Root cause: EGL_BAD_PARAMETER error - wxWidgets EGL implementation incompatible with NVIDIA Wayland.

SYMPTOMS:

  • App launches but 3D preview area is completely black/blank
  • Setup wizards show blank content
  • X button doesn't close windows (must pkill -9)
  • Error in logs: 'Could not create default EGL display: EGL_BAD_PARAMETER'

ATTEMPTED FIXES (all failed on Wayland):

  • __GLX_VENDOR_LIBRARY_NAME=nvidia
  • GDK_BACKEND=x11 (XWayland)
  • MESA_LOADER_DRIVER_OVERRIDE=zink
  • Disabling enable_opengl_multi_instance in config
  • Orca Slicer (same wxWidgets issue)

WINE ATTEMPT:

  • Wine install works for slicing/preview
  • Network plugin fails to load (bambu_networking.dll)
  • Error: 'can not Load Library' - Wine can't execute networking DLL
  • Useless without network features

SOLUTION:

  • Log into X11 session (Plasma X11) instead of Wayland
  • At SDDM login screen, select session type before logging in
  • User has auto-login enabled (SDDM config: /etc/sddm.conf)

NEXT STEPS:

  1. User logs out to get SDDM login screen
  2. Select 'Plasma (X11)' session
  3. Test Bambu Studio or Orca Slicer in X11
  4. If works, can create wrapper script with GDK_BACKEND=x11 for Wayland sessions

FILES:

  • Bambu Studio AppImage: ~/Applications/Bambu_Studio_linux_fedora-v02.04.00.70.AppImage
  • Orca Slicer AppImage: ~/Applications/OrcaSlicer.AppImage
  • Bambu config: ~/.config/BambuStudio/BambuStudio.conf

RELATED ISSUES: