Unable to determine the device handle for GPU 0000:68:00.0: Unknown Error

OS: Ubuntu 16.04LTS
Driver Version: 410.93
GPUs: 4 1080Ti

nvidia-smi

Unable to determine the device handle for GPU 0000:68:00.0: Unknown Error

nvidia-debugdump --list

Found 4 NVIDIA devices
	Device ID:              0
	Device name:            GeForce GTX 1080 Ti
	GPU internal ID:        GPU-cd0a4246-432d-0b6d-4954-36b59c2d435d

	Device ID:              1
	Device name:            GeForce GTX 1080 Ti
	GPU internal ID:        GPU-c8312877-87c2-8e4d-92c7-d34e0da7c997

	Device ID:              2
	Device name:            GeForce GTX 1080 Ti
	GPU internal ID:        GPU-04c2af78-ae03-7905-d4a4-9e576d030cc5

Error: nvmlDeviceGetHandleByIndex(): Unknown Error
FAILED to get details on GPU (0x3): Unknown Error

nvidia-bug-report.log.gz (1.98 MB)

The GPU in slot 68 doesn’t answer at all, please check for properly connected power connectors, reseat card, check in another system for a general hardware failure.