[Spice-devel] Odd issue with OSX Guest

Alon Levy alon at pobox.com
Mon Sep 1 23:59:01 PDT 2014

On 09/01/2014 09:01 PM, Brad Campbell wrote:
> G'day All,
> I'm attempting to run an OSX guest using spice as the remote display
> protocol (Yes, it's running on Apple hardware). The guest is using the
> standard vga driver.
> I'm using the latest git of spice, spice-gtk, qemu and the kernel.
> The issue I'm bumping up against is it appears something, somewhere is
> sending keypresses to the guest on a timed basis. I've not been able to
> put my finger on it, but things like pull down menus just cancel out
> from under me. It's almost like a second after the last mouse movement
> the escape key is being pressed.
> Being vaguely familiar enough with the source to be dangerous, is there
> an easy way for me to instrument keyboard/mouse events being sent to the
> guest?
> I can sprinkle the source with printf's, but I wondered if there was a
> better way of trying to find out where this is coming from. My gut says
> it must be spice related as it does not happen at all if I switch to vnc
> as the display.

If you think the client is generating the presses do:

export SPICE_DEBUG=1
remote-viewer spice://host:port/ | grep key_event

(messages are on stdout, not on stderr)

> Command line (in case it matters).
> qemu -enable-kvm -m 24576 -cpu core2duo -machine q35 \
>   -usb -device usb-kbd -device usb-mouse \
>   -device isa-applesmc,osk="xxx" \
>   -smbios type=2 \
>   -device ide-drive,bus=ide.2,drive=MacHDD \
>   -drive id=MacHDD,if=none,file=/dev/sda3,cache=unsafe \
>   -monitor stdio \
>   -spice port=5930,disable-ticketing\
>   -vga std \
>   -net nic,model=virtio\
>   -net tap,ifname=tap0,script=/etc/qemu-ifup,vhost=on\
>   -smp 4,cores=4 \
>   -device ide-drive,bus=ide.4,drive=fatdrive \
>   -drive id=fatdrive,file=fat:ro:VirtIoNetDrv \
>   -kernel /home/brad/chameleon_svn2360_boot \
> Outside of this issue, the guest is working well, but this peculiar
> behaviour has me a bit stumped.
> Regards,
> Brad
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