I am on mesa 26.0.3, ProtonGE10-33, and kernel 6.17

Heard good things about UE5 performance improvements on mesa 26 and decided to play talos principle reawakened. Ran into two very annoying issues:

1) Leaves, bushes, and trees absolutely tanking fps if I go into them

2) FSR4 very grainy and noisy on grass

So I went digging around the net and protonge github, looking for some clues or new features. I notice the ntsync section and see there's some instructions to enable it - whereas before I'd just assumed it would work automatically

So I check and see it actually is compiled as a module in my kernel and not probed. Add it and testing time

Both issues fixed - absolutely smooth, 100+ fps all the time. Okay, time for the real stress test - put raytracing from off to max - boom, still 100+ fps at 1440p. I remember some levels that were giving me trouble - effortlessly smooth

Was mindblown, wish I had discovered this earlier. Gave Jedi Survivor a test spin with RT, same result - buttery smooth, blows my rtx 4080 windows laptop completely out of the water

rx 9070xt and 9800x3d, ubuntu 25.10

submitted by /u/BrunusManOWar
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Ive been having constant crashes with helldivers2 tonight ive tired both proton 10, ge, experimental, with and without wayland

Dmsg and fast fetch results for those interested

i have really limited time on my PC and im tired of diagnosing issues im going to go back to windows for now but i hope people here have a solution :(

submitted by /u/CandlesARG
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Just linking this (I don't know how cross posting works, it's not working for me for some reason):

https://www.reddit.com/r/linux/comments/1rzonp1/splitting_audio_for_obs_on_linux/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button

Actually, I can just copy paste

---

I found a way that works for me for splitting audio. I need only to split game audio, Discord, and microphone. I tried using qpwgraph but it kinda mixed Discord and Chromium together.

What works reliably for me is

1. create virtual sinks
2. create loopbacks from virtual sinks to default device
3. set PULSE_SINK=game_audio_capture (or =discord_audio_capture) in the apps' launch parameters

I like this because I can launch Steam with PULSE_SINK and every game* will launch outputting to that sync. So no need to think too much what is where.

I'm mainly posting to help others coming from Windows where they've used OBS for clipping games, but also for feedback to see if there's a better way to kinda force apps to output someplace without PULSE_SINK or if PULSE_SINK has an alternative that won't be deprecated or something in the future. For me, this is actually pretty good because I can then run gamescope-session-plus and not have it include all the environment variables (I can selectively apply PULSE_SINK )

I made a short video on this:
https://youtu.be/qMnCvkZpWVM

There's a text guide (basically a generated sumary by ChatGPT of my conversation with it):

https://github.com/tayicknay/gamers-obs-audio-sinks-guide/blob/main/README.md

*some games only work if launched with proton, even when they have native support ... I don't know why, but for me it's not a hassle

submitted by /u/yankitay
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Hi everyone. I installed Ghostwire Tokyo from the Heroic Game Launcher on Steam Deck and would like to use some cheats. I tried a Fling trainer via Steam Tinker Launcher, but it doesn't detect the game's .exe file and I can't activate the various cheats. Are there any alternatives that work? I have tons of games on the Epic Games Store and can't use Cheat Deck. Thanks for the info.

submitted by /u/sephiroth986
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Hi everyone. I installed Ghostwire Tokyo from the Heroic Game Launcher on Steam Deck and would like to use some cheats. I tried a Fling trainer via Steam Tinker Launcher, but it doesn't detect the game's .exe file and I can't activate the various cheats. Are there any alternatives that work? I have tons of games on the Epic Games Store and can't use Cheat Deck. Thanks for the info.

submitted by /u/sephiroth986
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im new to linux and im trying to run satisafctory (local files) on wine theyre .exe im curious if there are any .deb alternatives not just satisafctory any other games

submitted by /u/Aware_Judgment_4188
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I had to try 4 different proton versions to even get it running (Experimental and currently using GE-33) and then I'm stuck at 50-60fps while tweaking all settings (mostly at high now) with 0 improvements from Cinematic/Max with Ray Reconstruction (goes beyond max settings and costs like over 50% fps) I have an RTX 4080 at 1440p which usually gets me at least 80fps minimum in all other games even with raytracing. I have ray reconstruction off so that's not the reason my fps are low. The CPU (i7-13700kf) usage also seems very low (20%) while the GPU is at 100% and DLSS does nothing to relieve that. According to benchmarks I should be having ~90fps on Ultra settings with RR off and DLAA (rsther than DLSS Quality). Is the proton tax on this game just that high?

submitted by /u/Jimpix_likes_Pizza
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Can anyone shed some light on this?

When having FSR4 upgraded by updating amdxcffx64.dll, either manually or (before AMD removed the files) using auto-update feature in GE-Proton or cachyos-proton.
On exiting CP2077 I'm getting a Steam process hang, needing manual stopping of CP2077, followed by core dump.

This ONLY happens when FSR4 amdxcffx64.dll is upgraded manually or automatic update in ../system32 to either 4.0.3 or 4.1.0.

The core dump on exit:

mrt 21 09:16:39 Infinity systemd[1]: Started Process Core Dump (PID 61061/UID 0).
mrt 21 09:16:40 Infinity steam[53079]: Removing process 60162 for gameID 1091500
mrt 21 09:16:41 Infinity systemd-coredump[61065]: [🡕] Process 60408 (GameThread) of user 1000 dumped core.

Stack trace of thread 60460:
#0 0x00007f27a3454fe0 n/a (n/a + 0x0)
ELF object binary architecture: AMD x86-64The core

FSR4 4.0.3 and 4.1.0 do work in-game indicated by PROTON_FSR4_INDICATOR=1 or SR4_WATERMARK=1 MLFG_WATERMARK=1watermark(s). And 4.1.0 does seem to have a bit better image quality.

What works:
Using the loose FSR4 4.0.3 files from SDK FidelityFX 2.1.0, manually updating amd_fidelityfx_dx12.dll & fidelityfx_framegeneration_dx12.dll amd_fidelityfx_upscaler x12.dll, in ../Cyberpunk2077/bin/x64.
This does not result in the process hang and core dump.

Tested:
GE-Proton10-28, manual and auto update to 4.0.3.
GE-Proton10-33, manual update to 4.0.3 / 4.1.0.
cachyos-proton (latest), manual update to 4.1.0.

System specs:
Kernel: 6.19.2-1
Desktop: KDE Plasma 6.5.5
WM: kwin_wayland
GPU: Radeon RX 9070 XT (RADV GFX1201)
Driver: mesa 25.3.5-arch1.1
Vulkan Instance Version: 1.4.341
CPU: Ryzen 7 7800X3D 8-Core Processor
Full information: https://pastebin.com/xhD5fCE9

submitted by /u/Gkirmathal
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