On Tue, 2017-04-25 at 15:43 +0100, Patrick O'Callaghan wrote:
> On Tue, 2017-04-25 at 06:43 -0700, Jamie Lawrence wrote:
> > > On Apr 25, 2017, at 4:45 AM, Christopher Thompson 
> > > <chris.thomps...@synopsys.com> wrote:
> > > 
> > > This sounds like the PS/2 driver/emulated hardware controller gets itself 
> > > in knots. PS/2 isn't hot plug, so if something goes wrong it's generally 
> > > stuffed until a reboot, which sounds like your issue.
> > > 
> > > One common option is to use Synergy, which passes the keyboard and mouse 
> > > over the network, you set up the synergy service running on the Linux 
> > > host, with it configured to map an edge of the screen to your Windows VM, 
> > > then when the Windows VM is running and the synergy client connects you 
> > > can move the mouse over that edge of the screen and it will appear on 
> > > Windows (if you have multiple monitors this looks like the mouse 
> > > seamlessly goes from one screen to the other).
> > 
> > I use Synergy, and the bug occurs with it as well. It adds a layer of 
> > confusion when it happens, but that's about it. (I use a hardware KVM 
> > switching two videocards to the same monitor, but the mouse isn't connected 
> > to it.) At least with the Synergy version I have, the UI locks up under 
> > windows, but it keeps functioning. The bug also happens without it running.
> > 
> > Spent some time attempting to force the bug this weekend, but didn't manage 
> > to.  I'll try again to get some logging soon.
> 
> That's useful to know, thanks.

I installed Synergy and it just happened to me again. What isn't clear
to me is if Synergy is actually being used. I know it's running on both
host (as server) and guest (as client) but the guest also has the PS/2
mouse because virt-manager doesn't let you remove it. I wonder if it's
necessary to run KVM/QEMU from the command line to get this to work
properly.

poc

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