On Sunday, 18 November 2018 13:49:12 GMT jdm wrote:
> On Sat, 17 Nov 2018 23:39:42 +0000
> 
> Mick <michaelkintz...@gmail.com> wrote:
> > On Saturday, 17 November 2018 10:55:21 GMT jdm wrote:
> > > Hi,
> > > 
> > > I am trying to run virt-manager and or qemu with 3d acceleration
> > > using virtio-gpu options.
> > > 
> > > When I start the virtual machine in virt-manager all I get is a
> > > screen of static (complete screen corruption of lines and blocks)
> > > 
> > > I also get the same problem when trying to start from CLI with the
> > > following
> > > 
> > > /usr/bin/qemu-system-x86_64 \
> > > -enable-kvm \
> > > -cpu host \
> > > -smp 8 \
> > > -m 4G \
> > > -net nic,macaddr=52:54:00:12:34:56 -net user \
> > > -soundhw es1370 \
> > > -usb -device usb-tablet \
> > > -show-cursor \
> > > -vga virtio \
> > > -display gtk,gl=on \
> > > -drive file=arch.img,if=virtio &
> > > 
> > > This used to work fine but has recently gone wrong. I have tried
> > > several guests all with the same results of corrupted screens.
> > > 
> > > I can start machines with normal qxl options and all is fine so
> > > think this is just an issue with virtio 3d acceleration.
> > > 
> > > Any ideas?
> > > 
> > > Thanks
> > > 
> > > John
> > 
> > All I can think is this should be related to the host GPU and any
> > recent update to its drivers.  On an old Radeon here I have not
> > noticed any problems running:
> > 
> > -display gtk,gl=on
> > 
> > or
> > 
> > -display sdl,gl=on
> 
> I decided to update virglrenderer upto version 9999 (not sure if I
> should do this but heyho) as there is only one version available. This
> has allowed me to run vm from CLI so that has helped there but not with
> virt-manager, which now just shows a blank screen.
> 
> I have a RX480 radeon card which is yearish old so perhaps support for
> newer cards is not as good.
> 
> John

I'm still on virglrenderer-0.6.0, with a 10+ year old RV730/M96-XT [Mobility 
Radeon HD 4670] and radeon rather than amdgpu firmware.  I am not using virt-
manager, just qemu off the CLI.

-- 
Regards,
Mick

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