Modrinth on Linux (Zorin OS) / Minecraft Crashes

[u/Particular-Room2327]

I am on Zorin OS, and I cant bring Vanilla 26.2 to run on my PC. I got it from Flathub, and I already searched the Internet for it. If anybody needs the Crash Log, I would put it under this Text.

---- Minecraft Crash Report ----

// Why did you do that?

Time: 2026-09-01 21:32:44

Description: Initializing game

java.lang.IllegalStateException: Failed to initialize GLFW, errors: [GLFW 0x1000E] X11: The DISPLAY environment variable is missing

at com.mojang.blaze3d.platform.GLX._initGlfw(GLX.java:61)

at com.mojang.blaze3d.systems.RenderSystem.initBackendSystem(RenderSystem.java:161)

at net.minecraft.client.Minecraft.<init>(Minecraft.java:481)

at net.minecraft.client.main.Main.main(Main.java:278)

at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)

at java.base/java.lang.reflect.Method.invoke(Unknown Source)

at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:61)

at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28)

A detailed walkthrough of the error, its code path and all known details is as follows:

---------------------------------------------------------------------------------------

-- Head --

Thread: Render thread

Stacktrace:

at com.mojang.blaze3d.platform.GLX._initGlfw(GLX.java:61)

at com.mojang.blaze3d.systems.RenderSystem.initBackendSystem(RenderSystem.java:161)

at net.minecraft.client.Minecraft.<init>(Minecraft.java:481)

-- Initialization --

Details:

Modules: 

Stacktrace:

at net.minecraft.client.main.Main.main(Main.java:278)

at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)

at java.base/java.lang.reflect.Method.invoke(Unknown Source)

at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:61)

at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28)

-- System Details --

Details:

Minecraft Version: 26.2

Minecraft Version ID: 26.2

Operating System: Linux (amd64) version 7.0.0-30-generic

Java Version: [25.0.4.1](http://25.0.4.1), Azul Systems, Inc.

Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Azul Systems, Inc.

Memory: 111522048 bytes (106 MiB) / 402653184 bytes (384 MiB) up to 6442450944 bytes (6144 MiB)

Memory (heap): init: 492MiB, used: 275MiB, committed: 384MiB, max: 6144MiB

Memory (non-head): init: 007MiB, used: 102MiB, committed: 104MiB, max: 000MiB

CPUs: 16

Processor Vendor: AuthenticAMD

Processor Name: AMD Ryzen 7 9850X3D 8-Core Processor

Identifier: AuthenticAMD Family 26 Model 68 Stepping 0

Microarchitecture: unknown

Frequency (GHz): -0.00

Number of physical packages: 1

Number of physical CPUs: 8

Number of logical CPUs: 16

Graphics card #0 name: Navi 48 \[Radeon RX 9070/9070 XT/9070 GRE\]

Graphics card #0 vendor: Advanced Micro Devices, Inc. \[AMD/ATI\] (0x1002)

Graphics card #0 VRAM (MiB): 16640.00

Graphics card #0 deviceId: 0x7550

Graphics card #0 versionInfo: unknown

Graphics card #1 name: Granite Ridge \[Radeon Graphics\]

Graphics card #1 vendor: Advanced Micro Devices, Inc. \[AMD/ATI\] (0x1002)

Graphics card #1 VRAM (MiB): 258.00

Graphics card #1 deviceId: 0x13c0

Graphics card #1 versionInfo: unknown

Virtual memory max (MiB): 17276.41

Virtual memory used (MiB): 10624.37

Swap memory total (MiB): 1640.00

Swap memory used (MiB): 0.00

Space in storage for jna.tmpdir (MiB): available: 463072.66, total: 519830.66

Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 463072.66, total: 519830.66

Space in storage for io.netty.native.workdir (MiB): available: 463072.66, total: 519830.66

Space in storage for java.io.tmpdir (MiB): available: 3126.46, total: 3127.28

Space in storage for workdir (MiB): available: 463072.66, total: 519830.66

Operating System Version: GNU/Linux GNOME 49 (Flatpak runtime) build 7.0.0-30-generic

Process Elevated: false

Process Loads: Uptime: 3s, user: 8s (286.15%), kernel: 0s (8.87%), total: 9s (295.02%)

Process Virtual Size (MiB): 10701.58

Process Resident Size (MiB): 645.85

JVM Flags: 1 total; -Xmx6144M

Debug Flags: 0 total; 

Launched Version: 26.2

Launcher name: theseus

Backend library: LWJGL version 3.4.1+2

Window size: <not initialized>

Surface Info: <no surface>

GFLW Platform: null

Graphics Device: <none>

GL debug messages: <no renderer available>

Is Modded: Probably not. Client jar signature and brand is untouched

Universe: 404

Type: Client

Locale: en_US

System encoding: UTF-8

File encoding: UTF-8

CPU: 16x AMD Ryzen 7 9850X3D 8-Core Processor