FEX-Emu / FEX-Emu/FEX

[Project Zomboid (Build 42)]: Crash on startup

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Game related
Dominant language
C++
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Description

**What Game**
Project Zomboid (Build 42)
https://store.steampowered.com/app/108600/Project_Zomboid/

**Describe the bug**
Crash on startup.

**To Reproduce**
Steps to reproduce the behavior:
1. Start game
2. See crash

**Expected behavior**
Game starts

**Logs**
https://pastebin.com/1Z9ZFex2

**System information:**
- OS: Gentoo Asahi Linux
- CPU/SoC: Apple M1 Max (G13C C0)
- Video driver version: `media-libs/mesa-25.0.0_pre20241204-r2`
- RootFS used: `app-emulation/fex-rootfs-gentoo-20241116` / `app-emulation/fex-rootfs-mesa-asahi-20241205`
- FEX version: `FEX-2412-17-gbdae4f6`
- Thunks Enabled: Yes

**Additional context**
- Is this an x86 or x86-64 game: `x86-64`
- Does this reproduce on AArch64 with Radeon/Intel/Nvidia: Untested
- Is this a Vulkan game: No
- If Yes, What is your Vulkan driver:

Add any other context about the problem here.
- might be related to https://github.com/FEX-Emu/FEX/issues/2142
- might be related to https://github.com/FEX-Emu/FEX/issues/4710

Contributor guide

Open the contributing guide

Research direction

Start by reproducing the startup crash with Project Zomboid Build 42 on Gentoo Asahi Linux with the listed FEX, Mesa, and rootfs versions. Read the linked Pastebin log and compare the symptoms with issues #2142 and #4710. Done means the cause is identified and the game starts successfully in the affected setup.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, linux
Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
38/100

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