It seems it will be easier to be Steam Machine Verified when compared with Steam Deck Verified, according to a Valve designer speaking with Game Developer.

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Read the full article on GamingOnLinux.

More improvements coming for ray-tracing performance with Mesa. There was recently mentioned other work, most recent involves compiling any-hit/intersection shaders separately, which leads to massive improvements.

submitted by /u/ilep
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I did some additional investigation on Linux (Arch Linux + ProtonGE) and noticed an interesting behavior worth sharing.

While monitoring logs, I observed that the game frequently executes the SGDTinstruction. The spam is so heavy that the kernel had to suppress the output to prevent log flooding:

https://preview.redd.it/nrgenn2diidg1.png?width=1113&format=png&auto=webp&s=936204557da3e4091a33aaae9ec0e52e46d91d63

SGDT is a low-level x86 instruction often associated with environment probing, anti-tamper, or DRM-related logic. On systems with UMIP (User-Mode Instruction Prevention) enabled, this instruction is blocked in user space and handled via "expensive software emulation" in the kernel.

Executing this "expensive" emulation in a tight loop during gameplay creates significant CPU overhead, which likely contributes to:

• Frametime Spikes & Intermittent FPS drops
• Abnormal CPU usage
• Higher CPU temperatures (I observed spikes up to 90°C during stutter events)

Additional Observation: When testing with the kernel parameter: clearcpuid=514 (or using clearcpuid=umip to effectively disable UMIP), stuttering was noticeably reduced and frametime appeared more stable on the test system.

For those using GRUB, you can test this by adding the parameter to your config: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash clearcpuid=umip"

This may indicate that the performance hit is related to CPU feature probing or environment checks, though this was only observed on Linux + Proton.

submitted by /u/RelationshipSea5102
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I’m trying to set up a PC with an AMD 7800X3D and AMD 7900 XTX as a “console-like” gaming system connected to my TV with Bazzite (Big Picture mode, controller, etc.). Overall it works great, but I can’t get the PC to output 4K at 144Hz, which the screen is supposed to support.

The system is stuck at 4K 60Hz. If I drop the resolution to 1440p or 1080p, 144Hz works without any issues.

I’ve already tried swapping the cable to a verified HDMI 2.1 cable that I know can do 4K 120Hz on my main rig, which uses an LG C2 as a monitor. That system runs CachyOS with an NVIDIA 5090 and an AMD 9950X3D, and it works perfectly there.

At this point I’m a bit stuck. Is it a limitation with Bazzite? Would it be better if i also ran CachyOS on this PC?

Any insight would be appreciated.

submitted by /u/EvilDuck91
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Developer Natalie Vock working for Valve has sent in even more impressive performance improvements for AMD GPUs on Linux with Mesa.

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Read the full article on GamingOnLinux.

submitted by /u/SleuthSaga
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submitted by /u/mr_MADAFAKA
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Entering the land of what the developer calls diminishing returns, D7VK version 1.2 has rolled out delivering a bunch of Direct3D 6 improvements.

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Read the full article on GamingOnLinux.

submitted by /u/Beer2401
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Hey there!

I will have a new PC soon.

Want to start fresh with Linux. (Only used IT oartially in Steam Deck).

Any Tips? For Games, But for daily App usage aswell (picture etc.)

Greetings

submitted by /u/D3athpoodle
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Is anyone else facing the network error 4201 after the new update? I am using anime game launcher, worked very well until now but it has been giving the same error when i try to log in, i reinstalled and sadly still facing the same issue.

submitted by /u/Wrong-Adhesiveness46
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You are stranded in a forest (obviously) after surviving a plane crash and your son was ejected from the plane. You see him taken by cannibals and vow to survive until you find him. Everything in the forest can help you survive so you have to learn quickly. Follow your survival guide and build anything necessary to stay alive and find your son. Oh and don't get eaten!


There were literally over 100 thousand good reviews on Steam about The Forest. So I had to give it a...

Read more

PR https://github.com/ValveSoftware/wine/pull/310
Bins https://github.com/PhialsBasement/wine-photoshop-installers/releases/tag/fix-adobe

Please test it out and let me know, currently confirmed working for PS2021 and PS2025

submitted by /u/HearMeOut-13
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The games running natively its not through wine/proton
https://flathub.org/en/apps/sh.fhs.ksre

submitted by /u/_riyann
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New to Linux and running Nobara on a laptop with Nvidia graphics.

For general purposes the experience has been great - better web browsing, faster file browsing etc. Pretty seamless.

Gaming is a little awkward. Performance is generally quite good, but only if I play on my laptop display. As soon as I connect to my external monitor (over USB C displayport) I get significantly worse performance and increased lag.

Taking Hades 2 as an example, I can run it maxed out no issues at my laptop's refresh rate (120hz) with decent latency and even frame pacing. But when I switch to my monitor, frame pacing goes out the window, and the only way to make it smooth is to turn vsync on, which not only makes it incredibly laggy (far beyond vsync on Windows) but also reduces framerate to below 80 fps. For comparison I usually run it at 165 fps locked on my external monitor in Windows with even framepacing.

My monitor runs at a higher resolution, so I tested it at my laptop screen's resolution for a more even comparison, and the results barely changed, almost as if the issue has nothing to do with actual GPU performance.

From what I can understand, the issue seems to be some unholy combination of Nvidia drivers, optimus hybrid laptop, and VRR support. I've tried other distros and keep running into the same issue.

I'm wondering if there are any experienced Linux users who might have a fix. If I can just get this one thing worked out I can probably drop Windows for good.

submitted by /u/mragentofchaos
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Hello everybody, I am a new Linux user and I am experiencing the need of a really good modern functioning software that is capable to fully work with elgato stream deck. There are a lot of solution in the community but none of them does really meet my requirements. So I started developing my own. The premises are it has to work with X11 and Wayland seamlessly with all the kdes around there and I am developing on cashyOS which is an arch Linux distribution. My goal is to create a clone of the original Windows software by elgato. But what I need are peer reviews and what I mean is someone willing to help with suggestions to improve the user experience and the functionality of that sad piece of software. Now this is my first approach on developing a software in my entire life, so please be gentle 🙂. Who of you would be willing to participate in a screen sharing? Wir discord to explore the current state of the software, the future of the functions which have to be implemented and maybe also give advice and opinions?

submitted by /u/caponski
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Now, let's use them for really cool stuff.

With this MR, RADV can compile any-hit and intersection shaders separately. No more forced inlining of everything into one humongous megashader!

In games that heavily use/compile any-hit/intersection shaders, this entails some really crazy improvements across all GPU generations:

Compiling RT pipelines in UE4 games with raytracing (e.g. Ghostwire Tokyo, The Callisto Protocol) becomes 10 times faster. Yes, an order of magnitude! In one Ghostwire Tokyo Fossilize capture I gathered, time to replay went from 4 minutes and 20 seconds to just 20 seconds.

These UE games also tended to have quite terrible stuttering whenever a new RT pipeline was compiled.

That stuttering is gone completely.

On top of that, runtime performance improves by a lot [in affected applications] as well. Who knew that inlining hundreds of shaders into an incredibly hot loop might be bad for performance?!

From quick napkin math, I think the pure RT performance in Ghostwire Tokyo improves by over 2x. In any case, FPS goes from ~30 to ~40 on my 7900XTX.

It seems like with the MR, we roughly match Windows performance in the Ghostwire Tokyo scene I tested, as well.

Performance improvements on different apps/non-UE4 titles may vary, but I'm pretty sure quite a few apps should benefit. (Cyberpunk 2077 doesn't, though. It only really uses 1 any-hit shader at the maximum and is therefore unaffected by this MR.)

submitted by /u/fyzeera
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I've been working in the game industry for about 15 years and I had to fight tooth and nail to be able to use Linux in various studios. Most companies really don't like that and I had to resort to mischievous tactics sometimes 😛.

Now I started making my own games ON Linux, FOR Linux. The ability to inspect, debug and program everything on my OS was key to managing that. I can not thank the community enough for all the help I got along this journey. I've been considering making `.rmp` and `.deb` packages for my games as well, but apparently flatpack is a more popular option now?

So that's me giving back to the community as much as I can. Let me know what you think of the game!

i use arch, btw

submitted by /u/berru_dev
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https://preview.redd.it/hf949bjibhdg1.png?width=1061&format=png&auto=webp&s=9dfc655dfd115dbb8c94cf4f0ef8ebee00378227

https://www.youtube.com/watch?v=XmhbeZAR7vI

submitted by /u/ThinBlacksmith9440
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Hello when playing overwatch 2 on Ubuntu gets really bad performance after longer sessions, it will crash make my audio glitch, and kick me out. My drivers are up to date, my OS, what should i do to fix this

submitted by /u/Direct_Library_358
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