Troubleshooting crashes when playing with Proton

Why Is The Game Crashing?

To figure out why exactly the game is crashing on your system, copy and paste this setting to your game launch options

PROTON_LOG=1 %command%

This'll generate a log file in your home directory, along the lines of steam-$GAMEID.log when you launch the game. Continue playing until you experience a crash, go to the end of the file, and have a look at the error.

Open File Limit

I've so far tested the game on a couple of machines, and the problem has been consistent.

eventfd: Too many open files

A number of distributions ship with a too small open file limit, resulting in crashes. The steps required for increasing this limit on systemd distributions are pasted below.

To /etc/security/limits.conf add a line like

* hard nofile 1048576

In both /etc/systemd/system.conf and /etc/systemd/user.conf set

DefaultLimitNOFILE=1024:1048576

Restart your session

systemctl daemon-reexec

Restart your computer

Check that the limit is correct with

ulimit -Hn

For further details: https://github.com/zfigura/wine/blob/esync/README.esync

My Problem Is Something Else..

If your problem is different, please do let me know. I'll do my best to help you (whenever I have time) and update this guide. I also urge you to report your experience to protondb[www.protondb.com] !

Source: https://steamcommunity.com/sharedfiles/filedetails/?id=2730001034					

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