I'm experiencing some frustrating freezes with Xubuntu while playing Warframe using Proton. During gameplay, my FPS drops significantly, and when I checked with htop in the terminal, I noticed both my memory and swap usage were maxed out. I attempted to close some applications, but my keyboard and mouse became unresponsive, forcing me to perform a hard shutdown. This problem keeps occurring and even after waiting for an hour, the system stays frozen. I've been using Linux for some time, so I'm not a total beginner, but this issue has me stumped. I've used Xubuntu on two other laptops and my PC, and they all have had the same problem. I'm starting to wonder if I should have chosen a different Linux distribution instead.
4 Answers
With 16GB of RAM, you should be good for gaming. It sounds like your RAM filled up during the game. After restarting, how's your RAM looking now? If your system cached a lot of memory without running Warframe, that could be a sign of a memory leak when the game is active.
It's important to keep an eye on your swap usage too. If your RAM is maxing out and your swap is being utilized, that could lead to performance issues and eventual freezing. You might want to consider some system tweaks or even trying a different distro if this keeps happening.
First off, can you share your hardware specs? Knowing the specifics will help. Also, which version of Xubuntu are you running? That info is crucial for troubleshooting this issue.
Since you're using XFCE, which is a pretty lightweight desktop manager, you might not have a heavy load in that department. Have you checked your RAM? Try using `btop` to monitor RAM and CPU usage when the issue happens.

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