Mortal Shell II (2584270)

Compatibility Report

• Name of the game with compatibility issues: Mortal Shell 2
• Steam AppID of the game: 2584270

System Information

• GPU: RX 7900 XTX
• Video driver version: Mesa 26.2.1
• Kernel version: 7.2.2
• Link to full system information report as Gist: Gist
• Proton version: Experimental, GE-Proton 11-5 & 11-6

I confirm:

• that I haven't found an existing compatibility report for this game.
• that I have checked whether there are updates for my system available.

steam-2584270.log
Crash_Mortal_Shell_2_Logs.txt

Symptoms

Game crashes, taking DE / Compositor after 10-30min of play time. Streaming through discord seems to speed up the process. Crash is caused by a amdgpu ring gfx_0.0.0 time out. I've tested with and without overdrive active.

I've been doing a bit of testing and the issue seems to come from the FSR4 upgrade. It does not matter if its done through ge proton or optiscaler, the game crashes after a certain period of time has passed.

The game still appears to crash without the fsr4 upgrade, it just takes a lot longer now. I crashed only after several hours of gaming.

Reproduction

1. Boot up the game
2. Play for 10-30 min
3. Game should crash after a while

Start by reviewing steam-2584270.log, Crash_Mortal_Shell_2_Logs.txt, and the linked system information report, then reproduce the crash using the listed Proton versions and steps. Compare runs with and without the FSR4 upgrade and record whether the amdgpu gfx_0.0.0 timeout can be tied to a specific configuration or component.