MCRcortex / MCRcortex/voxy

Minecraft freezes/freaks out with "context reset due to GPU hang"

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Dominant language
Java
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Description

Exactly what the title says. I think it might be linked to memory or GPU usage, but I haven't found a way to reliably reproduce it yet. I was hoping someone who knows Voxy's code might have some better ideas as to what exactly the problem is?
I tried both XWayland GLFW and native Wayland GLFW, saw this problem happen with both.

Full logs: https://mclo.gs/OMXdj85
The glitch was happening between 15:46:52 and 15:51:17, nothing was logged

Video of me reproducing a freeze: https://youtu.be/WK4OjL0mCSE
Video of Minecraft freaking out: https://youtu.be/1p-h8QldQU4

System info:
Intel Core i7-1255U
Intel Iris Xe Graphics (Integrated)
Arch Linux x86_64
KDE Plasma 6.5.3
KWin (Wayland)
16 GB RAM + 24 GB swap partition

There's also a 50% chance that my entire computer has a massive lag spike when I switch away from/to Minecraft even when it's not doing the freezing thing, but I don't know if that's related to this or just my computer being slow.

Thank you!

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by inspecting the linked full logs around 15:46:52–15:51:17 and comparing the reported behavior under native Wayland and XWayland GLFW. Use the provided videos and Intel Iris Xe, Arch Linux, and KDE Wayland setup as reproduction context; the issue is done when the GPU hang can be reproduced reliably and its cause is fixed or clearly isolated.

Written by the indexing model from the issue text.

Assessment

Tech stack
arch-linux, java, linux
Domain
computer-graphics, operating-systems, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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