[vfio-users] VM loses mouse

[Rasmus Schults]

Could you also check if same disconnect/reconnect happens when VM is not
running? Maybe something wrong with usb hub.

I had similar problem with one KVM switch. Usually didn't have problems
when I reset device with full host restart. Problems usually started when I
was fiddling around with switch itself.

On Sat, 15 Apr 2017 at 11:32, Patrick O'Callaghan <poc at usb.ve> wrote:

> On Fri, 2017-04-14 at 16:55 -0700, Jamie Lawrence wrote:
> >  <poc at usb.ve> (Sat, Apr 15, 2017 at 12:24:58AM +0100T):
> > > My Windows 10 VM occasionally seems to lose its mouse connection, i.e.
> > > the cursor doesn't move and mouse buttons are ignored. This tends to
> > > happen when gaming. As a first attempt to fix this I attached a second
> > > mouse and the problem seemed to reduce for a time, but has now returned
> > > . Both mice are currently on front ports, i.e. presumably attached to
> > > the same USB header.
> >
> > I don't have a solution, but have the same problem. (I don't play games;
> > happens to me using modeling software.) Been too busy to use it much so
> > I haven't been looking for a solution, but would love one - it kinda
> > makes the exercise pointless.
> >
> > For a while I thought it was Synergy-related[1], but it happens without
> > running that. System is stock Ubuntu 1604, I'm not passing USB through,
> > just an Nvidia Quadro K4000. I have a mouse and a trackball, as well as
> > a mouse-like device for making small, precise motions. When the VM loses
> > it, they all die.
>
> Yes, I'm not using Synergy either, just the built-in PS2 mouse (i.e.
> not passing through any USB devices explicitly). My host is Fedora 25.
> GPU is Nvidia GTX1050 but that's probably not relevant.
>
> poc
>
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