[vfio-users] Looking for recommendations for screen-switching

[Patrick O'Callaghan]

On 20 March 2017 at 12:36, Daniel Oram <daniel.oram at gmail.com> wrote:

> Try ddcutil
>
> http://www.ddcutil.com/
>
> Much more comprehensive. Using something like:
>
> sudo modprobe i2c-dev
> sudo ddcutil capabilities
>
> To list any standard recognised capabilities for your monitor (it is up to
> date). You may have it but vpd may not be standardised and ddcutil gives
> you the tools to work that out if you have the patience.
>
> I bought a KVM in the end ... and it's so awful I only use it as an HDMI
> switch and use the input-linux framework in qemu to switch the
> keyboard/mouse. USB switches do work, but only good ones will work with
> every device and udev can make a mess of rapidly switching devices in and
> out, especially if they have some sort of custom software as the device
> won't come back to the same location as it left. In Windows a mess is
> normal but it will probably get worse. HDMI switches may have limitations
> on max resolution, bandwidth and types of data so be careful when buying.
>
> The input-linux framework can have the odd problem with missed key ups but
> they are all easily surmountable by attaching a USB or virtio keyboard
> device to the VM so are far preferable to hardware related limitations or
> problems of the switch and constant device plugging in the VMs. After all,
> that is one of the major motivations for using a VM.
>

Thanks, I'll look at that.

What do you mean exactly by "the input-linux framework"? I'm an old Linux
hand but some of this stuff is new to me. Maybe it's just a question of
terminology.

poc
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