diff options
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1597')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/1597 | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1597 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1597 deleted file mode 100644 index 9259c3b4a..000000000 --- a/gitlab/issues_text/target_missing/host_missing/accel_missing/1597 +++ /dev/null @@ -1,56 +0,0 @@ -Intel Arc A-Series GPUs VFIO passthrough no video out -Description of problem: -Once the VM is booted, the screen goes blank. -Steps to reproduce: -1. Passthough any Intel Arc A (Alchemist) series video card. -2. Boot VM. -3. Screen goes blank. -Additional information: -I have startup and shutdown scripts that detach and reattach the card and these scripts work fine if I test them alone. It's only when I start the VM that issue presents itself. - - - -kernel command line: - -``` -amd_iommu=on iommu=pt rd.driver.pre=vfio-pci pci=realloc iommu=1 i915.force_probe=* - -``` - -startup script: - -``` -#!/bin/bash -# Helpful to read output when debugging -set -x - -# Load the config file with our environmental variables -source "/etc/libvirt/hooks/kvm.conf" -source "/etc/libvirt/hooks/vmPreBootSetup" - -cpuPerf - -# Stop your display manager. If you're on kde it'll be sddm.service. Gnome users should use 'killall gdm-x-session' instead -systemctl stop gdm.service - -# Unbind VTconsoles -echo 0 > /sys/class/vtconsole/vtcon0/bind -echo 0 > /sys/class/vtconsole/vtcon1/bind - -# Avoid a race condition by waiting a couple of seconds. This can be calibrated to be shorter or longer if required for your system -sleep 2 - -modprobe -r drm_buddy intel_gtt video drm_display_helper cec ttm i915 - -# Unbind the GPU from display driver -virsh nodedev-detach $VIRSH_GPU_VIDEO -virsh nodedev-detach $VIRSH_GPU_AUDIO - -# Load VFIO kernel module -modprobe vfio -modprobe vfio_pci -modprobe vfio_iommu_type1 - -sleep 5s ; systemctl restart connman.service - -``` |