https://bugs.kde.org/show_bug.cgi?id=481374
--- Comment #9 from Marc <marc.ferl...@sonatest.com> ---
(In reply to Zamundaaa from comment #8)
> Okay, KWin is using legacy modesetting, with XRGB8888 as the buffer format.
> I can't think of any reason this would be slow, without Xorg also being slow
Note that if my mouse cursor is _not_ on the QEMU window, the system doesn't
experience slowdowns. It's only when I move the mouse that everything seems to
slow down. For example, navigating the 'start' menu is very jerky in the VM but
works fine on bare metal... very strange.
My QEMU configuration:
/usr/local/bin/qemu-system-x86_64 \
-enable-kvm \
-cpu host \
-drive if=pflash,format=raw,unit=0,readonly=on,file=/usr/share/ovmf/OVMF.fd
\
-drive file=$image_file,if=virtio,format=raw \
-device virtio-net-pci,netdev=net0 \
-device virtio-rng-pci \
-device virtio-vga-gl \
-display gtk,gl=on \
-m 8G,maxmem=16G \
-machine q35,accel=kvm \
-netdev user,id=net0,hostfwd=tcp::2222-:22,"${PORT_FWDS}" \
-boot d \
-drive
file=/home/marc/Downloads/neon-user-20240523-1335.iso,media=cdrom,readonly=on \
-smp 2
QEMU version: 9.0.0
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