The "VK_ERROR_DEVICE_LOST" error in Dolphin Emulator represents a catastrophic failure of the Vulkan graphics context, resulting in immediate emulation termination. This paper examines the root causes of this error, distinguishing between driver-induced faults, GPU timing violations, and resource management issues. We present a structured diagnostic framework and propose both user-level mitigations and potential emulator-side improvements.
Vulkan is heavily dependent on up-to-date drivers. If your drivers are even a few months old, specific Vulkan extensions required by Dolphin may be causing the crash.
"Device Lost" is often a symptom of the GPU physically crashing due to instability.