[vfio-users] [PATCH v2 1/3] input: add qemu_input_qcode_to_linux + qemu_input_linux_to_qcode
Gerd Hoffmann
kraxel at redhat.com
Mon Jan 4 11:56:36 UTC 2016
On Mo, 2016-01-04 at 10:10 +0000, Jonathan Scruggs wrote:
> Hi,
>
>
> I tried these patches with qemu 2.5.0 on Gentoo and libvirt. I get the
> following error:
> Error starting domain: internal error: early end of file from monitor:
> possible problem:
> 2015-12-22T21:51:20.659520Z qemu-system-x86_64:
> -input-linux /dev/input/by-path/pci-0000:00:14.0-usb-0:12:1.0-event-kbd,grab-all=on: Could not open '/dev/input/by-path/pci-0000:00:14.0-usb-0:12:1.0-event-kbd'
>
>
> I also tried setting /dev/input/event9 to permissions of 666 to see if
> it was a permission error, but the same thing happened. Any help would
> be appreciated.
libvirt uses cgroups to restrict qemu. You can tweak cgroup_controllers
in /etc/libvirt/qemu.conf, when you remove "devices" controller it
should work (unless something else like selinux or apparmor applies
additional restrictions).
HTH,
Gerd
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