Re: [Xen-devel] More issues with xl on 4.1.0-rc

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 4 Feb 2011, M A Young wrote:
> On Fri, 4 Feb 2011, M A Young wrote:
> 
> > On Fri, 4 Feb 2011, Stefano Stabellini wrote:
> >
> >> On Fri, 4 Feb 2011, M A Young wrote:
> >>> On Fri, 4 Feb 2011, Stefano Stabellini wrote:
> >>> 
> >>>> On Thu, 3 Feb 2011, M A Young wrote:
> >>>>> I have spotted another couple of bugs when testing with xl on 4.1.0-rc 
> >>>>> and
> >>>>> a xen/next-2.6.38 based kernel.
> >>>>> 
> >>>>> If I set vfb = [ 'sdl' ] in the configuration file, then I can type in 
> >>>>> the
> >>>>> window produced, but the mouse doesn't work (the pointer stays fixed in
> >>>>> the middle of the window). Alao clicking on the window doesn't trigger 
> >>>>> the
> >>>>> "grab keyboard and mouse" mode, though I can manually trigger it and 
> >>>>> leave
> >>>>> it using the ctrl-alt key combination.
> >>>> 
> >>>> ... I cannot reproduce the second one
> >>>> (however I am using X remoting because I don't have an X server on my
> >>>> testbox).
> >>> 
> >>> Thanks for the first fix. The mouse problem is reproducible over remote X
> >>> (ssh -X) and if I use vnc rather than sdl. Do you have any idea how we
> >>> might debug this?
> >> 
> >> Does the mouse work if you just have the console and gpm in the guest?
> >> What is the output of "xenstore-ls /local/domain/$DOMID/device/vkbd"?
> >
> > The mouse mostly works with a console and gpm - I get a reverse video 
> > cursor 
> > which will move, cut and paste, though it isn't quite in step with where 
> > the 
> > pointer would be, eg. if I enter the window from the bottom the cursor 
> > appears more to the right than it should be.
> 

If you are getting mouse events in the guest's kernel, I think the basic
mechanism must be working correctly.
Could it be a problem with your xserver?

Otherwise you need to add some printf in qemu in
hw/xenfb.c:xenfb_mouse_event.




> Sorry, I forgot to add the output from
> xenstore-ls /local/domain/6/device/vkbd/0
> which is
> backend = "/local/domain/0/backend/vkbd/6/0"
> backend-id = "0"
> state = "4"
> page-ref = "284456"
> event-channel = "14"
> request-abs-pointer = "1"

looks all right

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