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Created attachment 602980 [details]
/var/log/Xorg.0.log

Description of problem:
Suddenly my RHEL 6 Desktop system doesn't have a mouse (even after fresh restart). 

It used to work before, not sure why it doesn't work now.

Version-Release number of selected component (if applicable):
kernel-2.6.32-279.2.1.el6.i686
xorg-x11-drv-evdev-2.6.0-2.el6.i686
xorg-x11-server-Xorg-1.10.6-1.el6.i686


How reproducible:
Happened (even after restarts, so could I say 2 out of 2?)

Steps to Reproduce:
1.just use mouse
2.
3.
  
Actual results:
no mouse, it is not in /proc/bus/input/devices and there is no /dev/input/event4 (which should be the event file for the mouse according to /var/log/Xorg.0.log).

Tons of errors visible in dmesg|grep ^psmouse.c

Expected results:
mouse working

Additional info:

Created attachment 602981 [details]
output of dmesg

Seems like a hardware issue. When attaching a new mouse (though, it is Logitech, so it could be Genius PS/2 mouse issue), everything works.