Mailinglist Archive: opensuse-features (37 mails)

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[New: openFATE 323357] seamless support for virgl/virtio-gpu on QEMU/KVM VMs using spice
Feature added by: Vasilis Liaskovitis (vliaskovitis)

Feature #323357, revision 1
Title: seamless support for virgl/virtio-gpu on QEMU/KVM VMs using spice

Requested by: Vasilis Liaskovitis (vliaskovitis)
Partner organization: openSUSE.org

Description:
virgl/virtio-gpu for qemu/KVM support exists since qemu 2.6 Guest requirements
are met by openSUSE Tumbleweed: guest kernel >= 4.4, mesa >= 11.1, xorg server
= 1.19 However the following host requirement is not met in TW/Factory: spice
server >= 0.13.2 Current libspice-server1 package is 0.12.8 in TW/Factory. The
current workaround is to not use spice but to use sdl/gtk with virtio-gpu/virgl
instead, and is quite messy: - libvirt VM definition needs to change: <graphics
type='spice' /> to: <graphics type='sdl' display=':0'
xauth='/home/user/.Xauthority'/> and add following command line args to qemu:
<qemu:commandline> <qemu:arg value='-s'/> <qemu:arg value='-display'/>
<qemu:arg value='gtk,gl=on'/> </qemu:commandline> Also user's X display needs
to be shared with qemu user/group: xhost +SI:localgroup:qemu Note: For complete
virgl integration, there are also some missing pieces from libvirt (regarding
cgroup permissions), which are not accepted in upstream libvirt afaik (at least
not yet), see:
https://www.redhat.com/archives/libvirt-users/2016-December/msg00014.html

More info on virgl requirements and integration:
https://www.kraxel.org/blog/tag/virtio-gpu/
https://www.kraxel.org/blog/tag/virgl/

Business case (Partner benefit):
openSUSE.org: This would allow: - Seamless and easy usage of virtio-gpu / virgl
driver in qemu/KVM openSUSE VMs. - Development of new virtio-gpu driver
features on openSUSE (e.g. next step for virgl/virtio-gpu is to support vulkan
API), performance comparisons b/w virgl and llvmpipe mesa drivers




--
openSUSE Feature:
https://features.opensuse.org/323357

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