I have been using Proxmox on my HPDL580 GEN7 since Proxmox6. I bought an Nvidia P4 GPU just for vGPU after reading of others success with it using proxmox. I had several problems initially with the installation when using proxmox6 and ended up doing a fresh install using proxmox7. Using this guide here I was able to install drivers and after install everything seemed ok. nvidia-smi output was perfect. But when installed on windows machine it always received error code 43. After searching the internet for days I find out that my server suffers from a bug and needs this. I end up downloading one of the premade relaxedrmrr kernels and install it. Viola it works !!! I was so happy!!!!. Time passes I upgrade things break. So my issue is now I need a newer kernel to run windows subsystem for linux in a VM. So I have downloaded a precompiled kernel and installed it but for some reason I still get code 43 !!!. If you have read all that and are still here I thank you. I am not good with words thx in advance 
I have attached a copy of my dmesg output & journalctl .
I have attached a copy of my dmesg output & journalctl .
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