USB keyboard and mouse stopped working in X ?

[John Austin]

On Thu, 2008-09-18 at 11:29 -0400, Joe Smith wrote:
> linux guy wrote:
> 
> > I installed the latest F9 updates this morning via yum update. ...
> > When I got to the graphical login screen, I found the keyboard and
> > mouse no longer worked. ...
> > 
> > Any idea how this might be fixed ? ...
> 
> I found the same this morning. Grr.
> 
> $ less /var/log/Xorg.0.log
> ...
> (II) Cannot locate a core pointer device.
> (II) Cannot locate a core keyboard device.
> (II) The server relies on HAL to provide the list of input devices.
>          If no devices become available, reconfigure HAL or disable 
> AllowEmptyInput.
> ...
> 
> So, I added
> 
> Section "ServerFlags"
>          ...
>          Option      "AllowEmptyInput" "off"
> EndSection
> 
> to xorg.conf, restarted the X server and that did the trick.
> 
> Not fun, but fortunately not too hard to route around.
> 
> <Joe
> 

Many thanks - this did the trick for me !!

John