Compatibility Report

• Name of the game with compatibility issues: Deadlock
• Steam AppID of the game: 1422450

System Information

• GPU: Intel Arc B580
• Video driver version: 4.6 (Compatibility Profile) Mesa 25.1.5-1pop0~1753463422~24.04~8af185e
• Kernel version: 6.17.4-76061704-generic
• Link to full system information report as Gist: https://gist.github.com/19krikma/948cd62173e537fcee0dc34efc22a0ac
• Link to System Runtime Diagnostics: https://gist.github.com/19krikma/0fefe4fdfb87973a10bd768bf366f411
• Proton version: Hot-fix, Experimental, 10.0-3, 9.0-4

I confirm:

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

steam-1422450 experimental.log
steam-1422450 hot-fix.log
steam-1422450 Proton 10.0-3.log

Symptoms

Steam will launch the game, the window pop will show up and freeze, steam will crash and game window will remain frozen, requires kill, logout or system restart. Only once my system froze completly and had to force shutdown.

Reproduction

Install Intel ARC B580, install drivers following intel linex driver instructions, delete NVIDIA drivers, reboot and try playing Deadlock