Re: [Xen-devel] [PATCH] [PV Xen] Mouse stuck after save/restore of guest.

[Olaf Hering <olaf@xxxxxxxxx>]

On Thu, Apr 14, Konrad Rzeszutek Wilk wrote:

> On Thu, Apr 14, 2011 at 05:45:07PM +0200, Igor Mammedov wrote:
> >     Mouse stuck after restore of PV guest but buttons are
> >     in working condition.
> >     If driver has been configured for ABS coordinates at
> >     start it will get XENKBD_TYPE_POS events and then
> >     suddenly after restore it'll start getting
> >     XENKBD_TYPE_MOTION events, that will be dropped later
> >     and they won't get into user-space.
> > 
> >     Regression was introduced by hunk 5 and 6 of 5ea5254
> >     in upstream.
> > 
> >     Driver on restore should ask xen for request-abs-pointer
> >     again if it's available. So restore parts that did it 
> >     before 5ea5254.
> 
> Olaf?

This change is correct. Thanks for spotting, Igor.
I did not test suspend/resume, migration etc. Sorry for that. During
resume the guest has to renegotiate with the new qemu-dm process.

Olaf

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