I'm running Ubuntu with kernel 6.14 on a dual-boot setup with Windows on an AMD platform featuring an NVIDIA RTX 5090 GPU with 32 GB VRAM. I've enabled both Secure Boot and TPM in my firmware settings, but doing so causes Linux to fail to boot. The kernel logs are flooded with PCIe BAR allocation errors that prevent the NVIDIA driver from initializing properly. However, if I disable TPM, Linux boots without any issues. I've already tried modifying the grub configuration with 'iommu=pt pci=realloc' and booting with different framebuffer settings, but without TPM enabled, I'd rather keep it on for Windows. Does anyone have ideas on how to resolve this? I've been troubleshooting for a couple of days now, and I'm relatively new to Linux. Also, I'm sure the NVIDIA drivers are correctly signed and registered with mokutil since they attempt to load. Could the errors I'm seeing be due to something else?
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