3.27 Performance issue, Game keep restarting my PC.

The game keeps restarting my PC. None of this happened in 3.26. Loading the game also takes longer than it did in the previous league. This problem only occurred in this game; other games are working fine.

I'm thinking it's driver/hardware-related (games are user-mode/unable to interact directly-enough with hardware to cause a reboot, but buggy kernel-mode drivers/unstable hardware trying to handle the game can do it)

I'm inclined to agree.

I'd probably first seek to rule out thermal issues, though.

Out of interest, what's the manufacturer & model of your PSU?

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BaumisMagicalWorld#0673 wrote:

I get these weird freezes sometimes when I ALT-TAB for too long, or the game just straight up crashes or does a GPU reset. This was not an issue last league. I can alleviate the freezing if I quickly hit the Windows key when I tab back in when I see it's frozen. That typically resets it. Plus I'm getting these odd sound cutouts on occasion where it mutes my entire system for a few seconds. Whatever the fuck that means.

Been having very similar issues.

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BaumisMagicalWorld#0673 wrote:

Can you describe it? What are yours, if not the same? And what PC and resolution are we talking here?

I play in 4k with DLSS Balanced. CPU and GPU frame times are pretty close to each other when things get nuts. Which is what you are looking for in high load scenarios.

My freezes usually ends in the game crashing, while sometimes, the game manages to carry on - and once in a while, the computer forces a restart. I'm at 3440x1440, 4070, R7700, 48GB DDR5@6400. I also have some sound issues, where it cuts my sounds, but usually doesn't last for seconds. Several people in my guild have had similar issues after the latest patch.

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NEWBIEDIE#1705 wrote:

None of this happened in 3.26. Loading the game also takes longer than it did in the previous league.

You have corrupted shaders, this issue is from shader patch from Crucible. Change client on Standalone, or remove all shaders from steam side and recompile. I had the same issues on Steam, played like few days with absurd loading times, then changed to standalone, there was normal, then deleted shaders from steam client, recompiled and loading times between clients are the same.
Something with shaders complaining is wrong from that patch and GGG refuse to fix it for some reason, or don't know how to do it.