Lambda Vector 4x Quadro RTX 6000 Only See 3 GPUs

Rebooted and disabled the Bluetooth controller, wifi controller, and audio controller which we don’t really need. Looks like the fourth CPU is still not coming online. While in the bios I did also check and saw the all the PCI slots were set to x16 speed.

Aug 25 16:38:06 dc3dsgpu-app001 kernel: [    6.671532] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  470.63.01  Tue Aug  3 20:44:16 UTC 2021
Aug 25 16:38:07 dc3dsgpu-app001 kernel: [    8.004153] NVRM: GPU at PCI:0000:61:00: GPU-f14244ba-2a85-4182-2410-4f8477f57d89
Aug 25 16:38:07 dc3dsgpu-app001 kernel: [    8.004156] NVRM: Xid (PCI:0000:61:00): 79, pid=2166, GPU has fallen off the bus.
Aug 25 16:38:07 dc3dsgpu-app001 kernel: [    8.004158] NVRM: GPU 0000:61:00.0: GPU has fallen off the bus.
Aug 25 16:38:07 dc3dsgpu-app001 kernel: [    8.004174] NVRM: GPU 0000:61:00.0: GPU serial number is 1322820062618.
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283638] NVRM: GPU 0000:61:00.0: Tried to get IRQ 263, but another driver
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283639] NVRM: has it and is not sharing it.
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283640] NVRM: You may want to verify that no audio driver is using the IRQ.
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283640] NVRM: GPU 0000:61:00.0: request_irq() failed (-16)
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283741] NVRM: GPU 0000:61:00.0: Tried to get IRQ 263, but another driver
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283742] NVRM: has it and is not sharing it.
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283743] NVRM: You may want to verify that no audio driver is using the IRQ.
Aug 25 16:38:27 dc3dsgpu-app001 kernel: [   28.283743] NVRM: GPU 0000:61:00.0: request_irq() failed (-16)
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.305870] NVRM: GPU 0000:61:00.0: Tried to get IRQ 263, but another driver
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.305873] NVRM: has it and is not sharing it.
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.305874] NVRM: You may want to verify that no audio driver is using the IRQ.
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.305876] NVRM: GPU 0000:61:00.0: request_irq() failed (-16)
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.306009] NVRM: GPU 0000:61:00.0: Tried to get IRQ 263, but another driver
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.306011] NVRM: has it and is not sharing it.
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.306012] NVRM: You may want to verify that no audio driver is using the IRQ.
Aug 25 16:38:28 dc3dsgpu-app001 kernel: [   29.306014] NVRM: GPU 0000:61:00.0: request_irq() failed (-16)