I've been undervolting my 7950X3D using PBO and per-core UV settings, but I've come across a problem--settings that appear to be stable at first can cause rare crashes days or even weeks later. As such, I've been trying to find something that will put the system under a load that will crash it ASAP if there's even a hint of instability.

Before I get into what I've tried already, I feel like I should mention that I've empirically discovered that these UVs need to be tested one core at a time. This makes sense, as multi-core loads will not boost a single core as high, which is where it is likely to be the least stable. As such, assume that all the tests below were only loading one core (both threads, as SMT is enabled) at a time, and rotating through the cores (via scripts I've written using taskset).

So what have I tried already?

• y-cruncher and mprime (AKA Prime95) - Sadly both of these proved to be absolutely useless, regardless of the test(s) chosen in them, showing UVs as being stable when the offsets were well below what was actually stable for many other processes.
• Building software - This is actually a surprisingly good test, at least compared to the options above. Usually the build scripts and the compilation itself could pass, but when the linker (ld) would run, that would expose an undervolt that was too aggressive. So, after running this test for over half an hour on a core, I would consider that a "pass", and I would set the UV on that core to be 3 higher than what proved stable, e.g. if it didn't crash at -25 I would set it to -22 (as I didn't want to be right on the edge of stability)... but the system still wasn't entirely stable!
• AIDA64's SHA3 - I discovered this recommendation when looking at other posts discussing AMD UVing with PBO. It's very good at crashing the system, even at values well above what would be stable for building software. But, it's a Windows-only application that needs to be run via Wine, and you have to deal with it being a GUI app, which is inconvenient to say the least. To further complicating things, the SHA3 test in it is intended as a benchmark and not a stability test, which means it runs for only a short time and then you have to click to run it again. And the last, but far from least annoyance is that it doesn't seem to respect taskset's core mask (probably applying its own mask, which Wine translates to the equivalent Linux syscall), so it always runs on core 0 (and its SMT pair, 16). Presumably I could get around this by applying a new mark shortly after starting the benchmark, but considering how often I have to restart the benchmark to fully test stability, that would be incredibly tedious.
• sha3sum - I had hoped to use this to work around the annoyances described above, but unfortunately it's terrible at crashing the system when you've UVed too far, as the implementation of the SHA3 algorithm is undoubtedly different.

So, does anyone know of something else that's good for testing UV stability? The software I'm actually running that exposes the overly aggressive UVs (which is various video encoders) can work for days before finally crashing the system, so they unfortunately aren't very good for stability testing.

submitted by /u/NoiseSolitaire
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I enabled MangoHud in Prism Launcher’s (Flatpak) settings, but the overlay does not appear in Minecraft.

What I’ve tried:
✔️ Checked the "Enable MangoHud" option in Prism Launcher.
✔️ Verified MangoHud (Flatpak) is installed (flatpak list | grep MangoHud).
✔️ Tested MangoHud on other games (works normally).

Setup:

• OS: Arch Linux (btw)
• Prism Launcher: Flatpak (org.prismlauncher.PrismLauncher)
• MangoHud: Flatpak (org.freedesktop.Platform.VulkanLayer.MangoHud)

submitted by /u/Living_Shirt8550
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satisfying

submitted by /u/Hot_Gap_4818
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Hi everyone!

I have Assassin's Creed Syndicate on the Ubisoft Connect store (unfortunately), that I have been trying to run on my Bazzite PC. I have installed Ubisoft Connect as a non-Steam game, and then installed Syndicate through the launcher. According to a YouTube tutorial, I symlinked the Ubisoft launcher prefix to the Syndicate prefix number, and then added the game executable as a non-Steam game. I ran it from Steam in Desktop mode, and it runs perfectly fine. However, when I switch to the Game Mode, I just see a spinning Steam logo for 30 seconds and it then quits.

The biggest issue that I can think of is that Syndicate doesn't run on the latest Proton. I have to run it on Proton 8.0-5 or ProtonGE 8-25. If I switch the Proton version to Experimental, the game will launch in Game Mode but quits after a few splash screens, which is to be expected as evidenced by widespread reports from other people. Would anyone have any idea as to why the older Proton refuses to run the game in Game Mode then? I can provide more information if needed!

submitted by /u/parag14
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Hi, I've got 2 monitors, a 1440p and a 4k monitor. The 4k monitor is set to 150% scaling. Whenever I launch a game, for example cp2k77, the game launches on the secondary (4k) monitor. This seems to mess up scaling and the game either runs on the wrong monitor, or is a blurry mess. Changing display using super + shift + arrows doesnt help. The only fix I have found is either disabling the 4k monitor, or disabling scaling. Both of which are far from ideal. Is there another fix I am missing? Thanks!

submitted by /u/Mars_Apocalypse
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So, I play the precision platformer game Geometry Dash and I use a Keychron K2 HE for it. However, coming back to Linux Mint from Windows, i noticed that the polling rate was exceptionally low and I was dying to a lot of things that i would not usually die to. On inspection, i realized that the polling rate was locked to 125hz instead of the available 1000hz. I went to change the polling rate in the software, but it wasn't able to connect properly, and I have not been able to figure out a solution. Is there any way to change the polling rate otherwise?

submitted by /u/Secure-Homework-7536
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So for context, I'm in a Windows virtual machine with single gpu-passthrough, I added my external ssd where I keep my games as a filesystem in libvirt

I can't update any of my games

Is this a steam issue or is the virtual machine?

submitted by /u/Ill-Eggplant-4199
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submitted by /u/conradicalisimo
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I just noticed something today , I run tumbleweed and usually after do an update and it pushes a new NVIDIA driver or kernal and launch a game , starfield in this case it goes the the whole processing of vulcan shaders

I happened to have system monitor open and noticed its using my CPU and not GPU? Is this normal I would have assumes it would have been offloaded to my GPU?

submitted by /u/SirGlass
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TLDR; title

I've tried to get FSR 4 working on my machine with the FP8 hack for 9070 XTs multiple times, yet run into this error every time I try to select FSR 4 in a game with the hack variable enabled, and I haven't seen anybody talk about it. These screenshots are from Monster Hunter Wilds and Marvel Rivals in particular as two easily accessible games I have installed.

For context, I use Fedora Silverblue 42, so I'm using Flatpak's mesa-git, yet I've tried this and received the same error when using a manually compiled Mesa driver based on the FP8 hack branch.

I have a 9070 XT, place the amdxcffx64.dll I extracted from AMD's 25.5.1 drivers in the system32 in the game's compatdata folder, set my environment variables to FSR4_UPGRADE=1 and DXIL_SPIRV_CONFIG=wmma_fp8_hack in Flatseal (although I've tried the launch option approach, which is doing the same thing, and led to no difference), I'm running Proton GE 10.4 and have tried other FSR 4 Proton variants, etc. This error always happens if I try to use the FP8 hack, which is the only way I'd want to use FSR 4 on my 9070 XT because the performance is abysmal otherwise.

Has anybody had these errors and worked out a solution? Or at least had these errors at all so I know I'm not alone? Googling has not bore any fruit which I assume is due to how new this development has been on Linux.

submitted by /u/powerofthe69
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9070XT Mesa 25.1, NixOS.

Running Overwatch 2 through Steam using Proton Hotfix/Experimental/10 caps my fps in game to 60 while with Ge proton 9, I get more than 400 (capped to my monitor refresh rate).

What is it about the GE Proton that makes it better for Overwatch 2?

submitted by /u/Mysterious_Prune415
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Hi everyone!

Over the past three years, I’ve been sharing the progress of our development, and today is a very special day for us — we’re releasing a new demo that looks, feels, and plays a lot like what we aim to launch in Early Access in a couple of months.

We’ve overhauled most of the graphics, animations, SFX, and VFX, added new mechanics, and rebalanced others.

This demo features one character out of the five we’ve designed for the full game, and it's deep enough to offer countless hours of fun — completely free!

I'm always around to answer questions, receive feedback, and engage with anyone who wants to chat, as I don’t believe in “just shilling the game around.” So feel free to leave your thoughts below!

I hope you enjoy it!

• Steam Page Link!

The game has native Linux support, and we especially value feedback from players on this OS.

submitted by /u/Doudens
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Has anyone done it? i would love to be able to get 10fps extra...... So I am considering it. If it does not work is it easy to go back to windows?

submitted by /u/Open_Argument_6902
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i add the game .exe file + i just proton ge runner and when i hit play it show like i start playing then it crashes and close

submitted by /u/Left_Guarantee_7334
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If you are building PC for Linux please use AMD gpus because today i installed my beloved os i just went through nonsense because of NVIDIA drivers but on AMD it comes preinstalled basically you have to update mesa

oh i am jealous of amd people

submitted by /u/ygames1914A
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I'm thinking about how long until EA implement it's anticheat in Battlefront 2, since now it gain some popularity, what do you think?

I really hope that they won't implement it, im addicted in the game on my fedora, but I'm skeptical.

submitted by /u/mad_visionary
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Title

submitted by /u/GamerGuy123454
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I've noticed minor graphical glitches in kde, even after moving to Cachyos. Mainly happens when I drag a file and there's small artifacts. Some text also looked weird depending on the program. Games don't seem to have issues, just kde and certain programs.

Using Cachyos with an Rx 6800 gpu and r7 5800x

submitted by /u/cicada_lullaby
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Intel 13700K and 6900XT here. I spent two days setting up my Ubuntu installation with Lutris and Steam. Diablo 4 and World of Warcraft perform just as well as they do on Windows. The Elder Scrolls Online is noticeably slower, but still playable.

I mostly use my Windows PC for gaming, and I have a Mac for work. I like Ubuntu—it boots up a little bit faster and feels snappy overall.

submitted by /u/starfallpanda
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I know you guys probably get dozens of these a month, so I’m gonna try to be as helpful as possible.

My PC was built to be a gaming rig to play with friends online, but we never play the big online competitive titles like Warzone, Valorant, Apex, Fortnite, etc. 99% of the games we play are through Steam. We do occasionally play Black Ops III custom zombies maps, but that’s the biggest online game that we’ve played. The next biggest titles we’ve all played together are Enshrouded and Dying Light 2, but big titles like those are relatively far and few in between for us.

90% of the time, we mess around on games like Lethal Company, Labyrinthine, Phasmo, etc. Games that I play by myself are also 95% singleplayers that are on Steam. I do have other titles that I own on other launchers, such as Kingdom Hearts II Final Mix on the Epic Games launcher.

In terms of non-gaming essentials, I occasionally use my rig for video and audio editing using Adobe Premiere Pro and Audition. Casual browsing on Firefox is also a must, and I know Firefox is on Linux, too.

I don’t really use it for playing media— movies, music, etc.

In terms of my level of tech literacy, I’d like to think I’m pretty proficient. If I don't know how to do something, I can Google it until I find it. I don’t think I would have any qualms about using a cmd-type interface to run things, I guess, but I hear Linux has come far in terms of ease of use for more casual people.

I’m currently considering the switch because:

• it looks prettier
• it has less bloatware, compared to Windows 11
• I want to give the middle finger to Microsoft for trying to spy on our shit
• I want to jump ship from Microsoft spying on all my shit
• unwanted AI features that will probably come to all Windows machines eventually

I know virtually anything can run Linux, but here are the basic specs anyway:

• AMD 9800X3D
• Powercolor Hellhound 7900 XTX
• 32GB DDR5 RAM

Given this info, should I switch? Feel free to ask me any clarifying questions, and I'd be happy to answer!

submitted by /u/Ivan21234
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