Re: [vfio-users] NVIDIA driver cause to black screen and can't launch desktop environment

> You are missing the PCIe Root Bridge, and attaching the GPU to it. Linux is > picky about that. > > Try with this: > > -device ioh3420,chassis=0,id=testbus \ > > -device > vfio-pci,host=01:00.0,multifunction=true,bus=testbus,addr=00.0,x-vga=on \ > -device vfio-pci,host=01:00.1,bus=testbus,addr

[vfio-users] NVIDIA driver cause to black screen and can't launch desktop environment

Hi all, I'm able to pass through a NVIDIA graphic card(GTX750 Ti) to RHEL 5.11 successfully, For performance reasons, I need to install NVIDIA's official driver, After installing NVIDIA's official driver, the guest system always encountered black screen and can't enter desktop environment. But I

[vfio-users] 答复: Kernel panic at vfio_intx_handler leads to low performance in guest VM

Thank you Alex, I took a look at the link you provided, follow the guide and enable MSI, the performance of guest VM improved significantly. Regarding to the answers & questions you mentioned in previous mail, here are my update: > You really want to avoid x-vga=on, especially with IGD host gra