NVIDIA DGX Spark 128GB Unified Memory Crash Fix (Ubuntu Swap)

Published 12/07/2026

Description

My NVIDIA DGX Spark / ASUS GX10 with 128 GB128 GB of unified memory was freezing completely when I loaded large LLMs through LM Studio, especially when a model load was interrupted or cancelled. Contents: 0:00 - Introduction 0:15 - Description 1:25 - The Problem 2:38 - The Solution 3:57 - Conclusion The machine would still answer to ping, but SSH, RDP, and even the directly connected HDMI desktop became unresponsive. The only recovery was physically removing power and rebooting the system. This is not necessarily a universal fix for every NVIDIA DGX Spark, ASUS GX10, Ubuntu image, or local LLM setup. However, if your DGX Spark freezes while loading models, cancelling a model load, or pushing unified memory limits, checking your swap configuration is a useful troubleshooting step. Topics covered: DGX Spark unified memory behavior with large models LM Studio remote model loading Full system freezes while loading or cancelling LLMs Checking active Ubuntu swap Disabling swap with swapoff Persistently disabling swap in /etc/fstab Verifying the configuration after reboot If this helped, please like the video, subscribe, and share what hardware, Ubuntu image, model, and inference software you are using in the comments. #DGXSpark #LMStudio #LocalLLM Follow me on X: https://l.samayas.eu/jo3eaYEf3E?P=YT&V=145 Buy me a Coffee : https://l.samayas.eu/jX6xL7EWhd?P=YT&V=145 Studio Equipment Camera Sony Alpha ZV-E10 II: https://l.samayas.eu/k7y95TREl0?P=YT&V=145 Secondary Camera Obsbot Tail Air: https://l.samayas.eu/iFQu9WfmCw?P=YT&V=145 Elgato Prompter: https://l.samayas.eu/fHVrqqXtSc?P=YT&V=145 Microphone Rode Wireless GO II: https://l.samayas.eu/afBINjiBXN?P=YT&V=145