On 06/19/2010 04:41 PM, Pasi Kärkkäinen wrote:
> On Tue, May 11, 2010 at 11:56:38AM +0100, Stefano Stabellini wrote:
>
>> On Mon, 10 May 2010, Jeremy Fitzhardinge wrote:
>>
>>> On 05/10/2010 07:41 AM, Stefano Stabellini wrote:
>>>
>>>> On Fri, 7 May 2010, Jeremy Fitzhardinge wrote:
>>>>
>>>>
>>>>> On one of my host machines, in PV guests using pvfb I get proper
>>>>> absolute mouse tracking.
>>>>>
>>>>> On another host machine, I get relative tracking in pvfb-using guests.
>>>>>
>>>>> Both are using identical versions of Fedora 12, identical domain
>>>>> configs, and toolstacks and kernels built from the same source. The log
>>>>> files of the X servers are more or less identical.
>>>>>
>>>>> Help? Any clues?
>>>>>
>>>>>
>>>>>
>>>> relative vs absolute depends on a node on xenstore called
>>>> "request-abs-pointer" that defaults to 0 and has to be written by the
>>>> guest.
>>>>
>>>>
>>> OK, it looks like it is being set, but the guest is still showing
>>> relative behaviour:
>>>
>>> vkbd = ""
>>> 0 = ""
>>> backend = "/local/domain/0/backend/vkbd/5/0"
>>> backend-id = "0"
>>> state = "4"
>>> page-ref = "1137660"
>>> event-channel = "11"
>>> request-abs-pointer = "1"
>>>
>>> Does this mean qemu-dm's vnc server is not doing the right thing?
>>>
>>
>> I think is probably xenfb (that is the framebuffer backend in qemu) that
>> is not doing the right thing.
>> Try adding some debug output in hw/xenfb.c:input_connect.
>>
>>
> Jeremy: Did you figure this out? I'm again seeing this problem on my Fedora
> 13 + Xen 4.0.1-rc3-pre box..
>
Yes, that should be fixed in current xen-unstable - it was a xenbus
race-condition. What guest are you seeing it in? I've found that I
still don't get absolute pointers in Centos guests.
J
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