The hard I am using is the original Geforce Titan). Get the following error on installing the nvidia driver. (Nouveau works just fine on this machine with this exact card). I have attached the output from nvidia-bug-report.sh to this post.
Feb 3 00:14:36 dman-Super-Server kernel: [ 10.876688] nvidia-nvlink: Nvlink Core is being initialized, major device number 237
Feb 3 00:14:36 dman-Super-Server kernel: [ 10.881298] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 390.87 Tue Aug 21 12:33:05 PDT 2018 (using threaded interrupts)
Feb 3 00:14:36 dman-Super-Server kernel: [ 10.912552] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 390.87 Tue Aug 21 16:16:14 PDT 2018
Feb 3 00:14:36 dman-Super-Server kernel: [ 10.937971] [drm] [nvidia-drm] [GPU ID 0x00002100] Loading driver
Feb 3 00:14:36 dman-Super-Server kernel: [ 10.937974] [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:21:00.0 on minor 1
Feb 3 00:14:36 dman-Super-Server kernel: [ 12.543166] nvidia-uvm: Loaded the UVM driver in 8 mode, major device number 236
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580062] NVRM: GPU at PCI:0000:21:00: GPU-f25b4845-bf30-8efc-af6b-fb3d3330256f
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580065] NVRM: GPU Board Serial Number: 0323713056202
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580069] NVRM: Xid (PCI:0000:21:00): 79, GPU has fallen off the bus.
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580070] NVRM: GPU at 0000:21:00.0 has fallen off the bus.
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580071] NVRM: GPU is on Board 0323713056202.
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580575] NVRM: A GPU crash dump has been created. If possible, please run
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580575] NVRM: nvidia-bug-report.sh as root to collect this data before
Feb 3 00:14:36 dman-Super-Server kernel: [ 17.580575] NVRM: the NVIDIA kernel module is unloaded.
Feb 3 00:14:40 dman-Super-Server kernel: [ 21.813755] NVRM: RmInitAdapter failed! (0x12:0x45:1920)
Feb 3 00:14:40 dman-Super-Server kernel: [ 21.813797] NVRM: rm_init_adapter failed for device bearing minor number 0
Feb 3 00:14:40 dman-Super-Server kernel: [ 21.814134] NVRM: request_irq() failed (-22)
Feb 3 00:14:40 dman-Super-Server kernel: [ 21.816956] NVRM: request_irq() failed (-22)
Feb 3 00:14:44 dman-Super-Server kernel: [ 25.708635] NVRM: request_irq() failed (-22)
Feb 3 00:14:48 dman-Super-Server kernel: [ 29.454198] NVRM: request_irq() failed (-22)
Feb 3 00:14:49 dman-Super-Server kernel: [ 30.453128] NVRM: request_irq() failed (-22)
Feb 3 00:14:50 dman-Super-Server kernel: [ 31.449940] NVRM: request_irq() failed (-22)
Feb 3 00:14:51 dman-Super-Server kernel: [ 32.460323] NVRM: request_irq() failed (-22)
Feb 3 00:14:52 dman-Super-Server kernel: [ 33.451435] NVRM: request_irq() failed (-22)
nvidia-bug-report.log.gz (1.18 MB)