Re: pvfb: Absolute vs relative mouse tracking mystery

[Jeremy Fitzhardinge <jeremy@goop.org>]

On 07/22/2010 04:58 AM, Stefano Stabellini wrote:
> On Thu, 22 Jul 2010, Jeremy Fitzhardinge wrote:
>   
>> I just got a Win7 hvm domain working for the first time in a while, and
>> found that it *isn't* getting proper abs updates.  I even set
>> usbdevice='tablet' in its config...
>>     
>  
> Are you sure?
> The vfb connection between qemu and the stubdom is definitely based on
> absolute mouse events in my tests.
>   

Yep.  I created a domain and its getting relative pointer:

sh-4.0# xl create  -d /etc/xen/win7-ctxs 
Parsing config file /etc/xen/win7-ctxs
(domain
	(domid -1)
	(domain_create_info)
	(hvm 1)
	(hap 1)
	(oos 1)
	(ssidref 0)
	(name win7-ctxs)
	(uuid 8badafad-1c63-8812-b082-2b1cc9002a8d)
	(cpupool Pool-0 (0))
	(xsdata (null))
	(platformdata (null))
	(domain_build_info)
	(max_vcpus 2)
	(tsc_mode 0)
	(max_memkb 1048576)
	(target_memkb 1048576)
	(nomigrate 0)
	(image
		(hvm
			(loader /usr/lib/xen/boot/hvmloader)
			(video_memkb 8192)
			(shadow_memkb 10240)
			(pae 1)
			(apic 1)
			(acpi 1)
			(nx 1)
			(viridian 1)
			(hpet 1)
			(vpt_align 1)
			(timer_mode 1)
			(device_model stubdom-dm)
			(videoram 8)
			(stdvga 0)
			(vnc 1)
			(vnclisten 0.0.0.0)
			(vncdisplay 0)
			(vncunused 1)
			(keymap (null))
			(sdl 0)
			(opengl 0)
			(nographic 0)
			(serial pty)
			(boot cda)
			(usb 0)
			(usbdevice tablet)
			(apic 1)
		)
	)
	(device
		(tap
			(backend_domid 0)
			(domid 0)
			(physpath /dev/vg_lilith-raid/xen-win7-ctxs)
			(phystype 4)
			(virtpath hda)
			(unpluggable 1)
			(readwrite 1)
			(is_cdrom 0)
		)
	)
	(device
		(vif
			(backend_domid 0)
			(domid 0)
			(devid 0)
			(mtu 1492)
			(model e1000)
			(mac 00163e23f8c2)
		)
	)
)
xc: info: VIRTUAL MEMORY ARRANGEMENT:
  Loader:        0000000000100000->00000000001766ec
  TOTAL:         0000000000000000->000000003f800000
  ENTRY ADDRESS: 0000000000100000
xc: info: PHYSICAL MEMORY ALLOCATION:
  4KB PAGES: 0x0000000000000200
  2MB PAGES: 0x00000000000001fb
  1GB PAGES: 0x0000000000000000


    J