[OE-core] Xuser has no permissions for event devices (no keyboard and mouse in X)

[Darren Hart]

Current master atom-pc build + pending 3.8 kernel update us using
rootless X, but X fails to open the event devices. Do we need some kind
of default group permissions for the /dev/input/* devices?

root at atom-pc:/etc/X11# cat /var/log/Xorg.0.log | grep EE | grep "event"
[3430478.394] (EE) evdev: Power Button: Unable to open evdev device
"/dev/input/event2".
[3430478.398] (EE) evdev: Video Bus: Unable to open evdev device
"/dev/input/event3".
[3430478.401] (EE) evdev: Power Button: Unable to open evdev device
"/dev/input/event1".
[3430478.410] (EE) evdev: HP HP Wireless Mini Keyboard: Unable to open
evdev device "/dev/input/event5".
[3430478.414] (EE) evdev: HP HP Wireless Mini Keyboard: Unable to open
evdev device "/dev/input/event6".
[3430478.421] (EE) evdev: AT Translated Set 2 keyboard: Unable to open
evdev device "/dev/input/event4".
[3430478.434] (EE) synaptics: SynPS/2 Synaptics TouchPad: no synaptics
event device found
...

root at atom-pc:/etc/X11# cat /etc/group | grep xuser
tty:x:5:xuser
audio:x:29:xuser
video:x:44:xuser
xuser:x:1000:

root at atom-pc:/etc/X11# ls -la /dev/input/event
event0  event1  event2  event3  event4  event5  event6  event7
root at atom-pc:/etc/X11# ls -la /dev/input/event*
crw-r-----    1 root     root       13,  64 Apr  2 20:38 /dev/input/event0
crw-r-----    1 root     root       13,  65 Apr  2 20:38 /dev/input/event1
crw-r-----    1 root     root       13,  66 Apr  2 20:38 /dev/input/event2
crw-r-----    1 root     root       13,  67 Apr  2 20:38 /dev/input/event3
crw-r-----    1 root     root       13,  68 Apr  2 20:38 /dev/input/event4
crw-r-----    1 root     root       13,  69 Apr  2 20:52 /dev/input/event5
crw-r-----    1 root     root       13,  70 Apr  2 20:52 /dev/input/event6
crw-r-----    1 root     root       13,  71 Apr  2 20:38 /dev/input/event7

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Technical Lead - Linux Kernel