IGVT-g: Difference between revisions
imported>User No edit summary |
imported>User No edit summary |
||
| Line 14: | Line 14: | ||
then rebuild and reboot. Choose virtual GPU | then rebuild and reboot. Choose virtual GPU | ||
$ ls /sys/bus/pci/devices/0000:00:02.0/mdev_supported_types/ | |||
$ ls /sys/bus/pci/devices/0000:00:02.0/mdev_supported_types/ | i915-GVTg_V5_4/ i915-GVTg_V5_8/ | ||
i915-GVTg_V5_4/ i915-GVTg_V5_8/ | |||
$ cat /sys/bus/pci/devices/0000:00:02.0/mdev_supported_types/i915-GVTg_V5_8/description | |||
$ cat /sys/bus/pci/devices/0000:00:02.0/mdev_supported_types/i915-GVTg_V5_8/description | low_gm_size: 64MB | ||
low_gm_size: 64MB | high_gm_size: 384MB | ||
high_gm_size: 384MB | fence: 4 | ||
fence: 4 | resolution: 1024x768 | ||
resolution: 1024x768 | weight: 2 | ||
weight: 2 | |||
Generate UUID | Generate UUID | ||
$ nix run nixpkgs.libossp_uuid -c uuid | |||
$ nix run nixpkgs.libossp_uuid -c uuid | a297db4a-f4c2-11e6-90f6-d3b88d6c9525 | ||
a297db4a-f4c2-11e6-90f6-d3b88d6c9525 | |||
== NixOS configuration == | == NixOS configuration == | ||
{{file|/etc/nixos/configuration.nix|nix|<nowiki> | {{file|/etc/nixos/configuration.nix|nix|<nowiki> | ||
virtualisation.kvmgt.enable = true; | virtualisation.kvmgt.enable = true; | ||
| Line 54: | Line 49: | ||
=== Bare Qemu === | === Bare Qemu === | ||
qemu-system-x86_64 \ | qemu-system-x86_64 \ | ||
-enable-kvm \ | -enable-kvm \ | ||
| Line 62: | Line 57: | ||
-serial stdio \ | -serial stdio \ | ||
-display gtk,gl=on \ | -display gtk,gl=on \ | ||
-device vfio-pci,sysfsdev=/sys/bus/mdev/devices/a297db4a-f4c2-11e6-90f6-d3b88d6c9525,display=on,x-igd-opregion=on | -device vfio-pci,sysfsdev=/sys/bus/mdev/devices/'''a297db4a-f4c2-11e6-90f6-d3b88d6c9525''',display=on,x-igd-opregion=on | ||
=== libvirtd === | === libvirtd === | ||
If using virt-manager, create new or open existing VM. | If using virt-manager, create new or open existing VM. | ||
sudo -E virsh edit win10 | sudo -E virsh edit win10 | ||
< | <syntaxHighlight lang="xml" highlight="1,9"> | ||
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'> | |||
<devices> | |||
<graphics type='spice'> | |||
<listen type='none'/> | |||
<gl enable='yes'/> | |||
</graphics> | |||
<hostdev mode='subsystem' type='mdev' managed='no' model='vfio-pci'> | |||
<source> | |||
<address uuid='a297db4a-f4c2-11e6-90f6-d3b88d6c9525'/> | |||
</source> | |||
<address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/> | |||
</hostdev> | |||
</devices> | |||
<qemu:commandline> | <qemu:commandline> | ||
<qemu:arg value='-set'/> | |||
<qemu:arg value='device.hostdev0.x-igd-opregion=on'/> | |||
<qemu:arg value='-set'/> | |||
<qemu:arg value='device.hostdev0.display=on'/> | |||
</qemu:commandline> | </qemu:commandline> | ||
</domain> | |||
</ | </syntaxHighlight> | ||
Finally use sudo virt-viewer --attach win10 | Finally use sudo virt-viewer --attach win10 | ||
| Line 116: | Line 111: | ||
** check whether available instances are left | ** check whether available instances are left | ||
$ cat /sys/bus/pci/devices/0000\:00\:02.0/mdev_supported_types/i915-GVTg_V5_4/available_instances | |||
$ cat /sys/bus/pci/devices/0000\:00\:02.0/mdev_supported_types/i915-GVTg_V5_4/available_instances | 1 | ||
1 | |||
also check dmesg output for gvt related error, most likely there is not enough VRAM | also check dmesg output for gvt related error, most likely there is not enough VRAM | ||
| Line 129: | Line 122: | ||
** qemu might be exiting due to SIGSYS, which may be related to this bug: https://github.com/intel/gvt-linux/issues/47 | ** qemu might be exiting due to SIGSYS, which may be related to this bug: https://github.com/intel/gvt-linux/issues/47 | ||
Try disabling seccomp sandboxing in qemu like so: | Try disabling seccomp sandboxing in qemu like so: | ||
< | <syntaxHighlight lang="nix"> | ||
virtualisation.libvirtd = { | virtualisation.libvirtd = { | ||
qemuVerbatimConfig = '' | |||
seccomp_sandbox = 0 | |||
''; | |||
}; | }; | ||
</ | </syntaxHighlight> | ||
== Used sources == | == Used sources == | ||