lmstudio-ai / lmstudio-ai/lmstudio-bug-tracker
CUDA not working at all on Linux Mint, Vulkan 30% slower when MTP ON
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Description
ver. 4.15.b2
cuda 12 llama.cpp ver 2.20.1
cuda llama.cpp ver 2.20.1
Go to Settings->Runtime
Errror code: GPU survey....
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at Settings→Runtime and reproduce the reported GPU survey error on Linux Mint with CUDA 12 and llama.cpp 2.20.1. Compare Vulkan performance with MTP enabled and disabled, recording the GPU, exact error, and benchmark results. Done means the CUDA failure and Vulkan slowdown are reproducible and their cause or required fix is documented.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- linux
- Domain
- desktop, performance
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100