Qwythos-27B-BF16 stability issues on macOS M5 Max

#3
by sunislee - opened

Tested Qwythos-27B-BF16 (50GB GGUF) on macOS with M5 Max + 128GB unified memory:

Issues encountered:

  • LM Studio GUI: llama-server subprocess crashes on model load
  • Command-line llama-server (2.27.1): Model loads successfully but crashes during inference
  • OpenCode/Cline: Context overflow errors (64K context) and runtime crashes

Environment:

  • macOS M5 Max, 128GB RAM
  • Qwythos-27B-BF16.gguf (50GB)
  • llama.cpp 2.27.1
  • Same hardware runs Qwythos-9B-Q4_K_M stably

Conclusion:
27B model appears incompatible with macOS ARM architecture or has memory management issues. Works fine on other hardware (tested on Linux).

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