Mesa/Zink Memory allocation error with Wayland Linux, Nividia, when Slicing Complex Models or Using Fuzzy Kinds #1310

New Issue

MrUnknownDE · 2026-04-05T17:17:39+02:00

MrUnknownDE commented

2026-04-05 17:17:39 +02:00

Originally created by @OwendB1 on 12/21/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.1

Operating System (OS)

Linux

OS Version

Nobara 43 KDE Plasma official

Additional system information

CPU: AMD Ryzen 7800X3D (tried both iGPU disabled/enabled in BIOS)
Memory: 96GB Corsair Vengeance RGB 6000MHz CL36
GPU: KFA2 NV RTX 4080 Super

Printer

Sovol SV08

How to reproduce

Grab any medium sized model.
Enable fuzzy skin.
Try to slice said model.

Actual results

Observe multiple memory allocation failures followed by a hard crash:

MESA: error: zink: couldn't allocate memory: heap=3 size=2097152

MESA: error: ZINK: vkMapMemory failed (VK_ERROR_MEMORY_MAP_FAILED)

Expected results

Expected to not crash and be able to render the output.

Project file & Debug log uploads

Added 3 logs and the project file.

Archive.zip

Checklist of files to include

Log file
Project file

Anything else?

Tried setting a ton of different flags to no avail:

__GLX_VENDOR_LIBRARY_NAME=nvidia
QT_QPA_PLATFORM=xcb
LIBGL_ALWAYS_SOFTWARE=1 -> causes immediate crash
MESA_LOADER_DRIVER_OVERRIDE=llvmpipe
VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/nvidia_icd.json
QT_VULKAN_DISABLE=1
QT_QUICK_BACKEND=software
QT_OPENGL=desktop

*Originally created by @OwendB1 on 12/21/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.1 ### Operating System (OS) Linux ### OS Version Nobara 43 KDE Plasma official ### Additional system information CPU: AMD Ryzen 7800X3D (tried both iGPU disabled/enabled in BIOS) Memory: 96GB Corsair Vengeance RGB 6000MHz CL36 GPU: KFA2 NV RTX 4080 Super ### Printer Sovol SV08 ### How to reproduce 1. Grab any medium sized model. 2. Enable fuzzy skin. 3. Try to slice said model. ### Actual results Observe multiple memory allocation failures followed by a hard crash: `MESA: error: zink: couldn't allocate memory: heap=3 size=2097152` `MESA: error: ZINK: vkMapMemory failed (VK_ERROR_MEMORY_MAP_FAILED)` ### Expected results Expected to not crash and be able to render the output. ### Project file & Debug log uploads Added 3 logs and the project file. [Archive.zip](https://github.com/user-attachments/files/24278955/Archive.zip) ### Checklist of files to include - [x] Log file - [x] Project file ### Anything else? Tried setting a ton of different flags to no avail: - __GLX_VENDOR_LIBRARY_NAME=nvidia - QT_QPA_PLATFORM=xcb - LIBGL_ALWAYS_SOFTWARE=1 -> causes immediate crash - MESA_LOADER_DRIVER_OVERRIDE=llvmpipe - VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/nvidia_icd.json - QT_VULKAN_DISABLE=1 - QT_QUICK_BACKEND=software - QT_OPENGL=desktop

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Reference: github/OrcaSlicer#1310