diff options
| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-16 16:59:00 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-16 16:59:33 +0000 |
| commit | 9aba81d8eb048db908c94a3c40c25a5fde0caee6 (patch) | |
| tree | b765e7fb5e9a3c2143c68b0414e0055adb70e785 /results/classifier/118/peripherals/1597 | |
| parent | b89a938452613061c0f1f23e710281cf5c83cb29 (diff) | |
| download | qemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.tar.gz qemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.zip | |
add 18th iteration of classifier
Diffstat (limited to 'results/classifier/118/peripherals/1597')
| -rw-r--r-- | results/classifier/118/peripherals/1597 | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/results/classifier/118/peripherals/1597 b/results/classifier/118/peripherals/1597 new file mode 100644 index 000000000..6b1b0bed6 --- /dev/null +++ b/results/classifier/118/peripherals/1597 @@ -0,0 +1,86 @@ +peripherals: 0.883 +debug: 0.882 +KVM: 0.779 +architecture: 0.748 +performance: 0.740 +boot: 0.707 +kernel: 0.705 +device: 0.700 +socket: 0.611 +PID: 0.603 +ppc: 0.572 +semantic: 0.548 +graphic: 0.543 +VMM: 0.543 +files: 0.507 +vnc: 0.493 +virtual: 0.492 +register: 0.471 +arm: 0.470 +assembly: 0.450 +TCG: 0.425 +hypervisor: 0.419 +risc-v: 0.377 +permissions: 0.349 +x86: 0.331 +user-level: 0.326 +mistranslation: 0.317 +i386: 0.281 +network: 0.271 + +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 + +``` |