Dr.-Ing. Edgar Alwers wrote:
> On Sat, 17 Mar 2012 11:14:49 -0500
> Bruce Dubbs <[email protected]> wrote:
> 
>> It sounds like an Xorg problem.  Change inittab to default to run level 
>> 3 and at least get a command prompt.  From there, use startx and look at 
>> /var/log/Xorg.0.log.
> 
> up to the command prompt, mouse and keyboard are working. After "startx" the 
> KDE Desktop shows up, but no more mouse/keybord operations are possible.
> The last 10 lines of Xorg.0.log are:
> ------------------
> [    64.112] (II) Initializing built-in extension COMPOSITE
> [    64.112] (II) Initializing built-in extension DAMAGE
> [    64.127] (II) AIGLX: Screen 0 is not DRI2 capable
> [    64.127] (II) AIGLX: Screen 0 is not DRI capable
> [    64.213] (II) AIGLX: Loaded and initialized swrast
> [    64.213] (II) GLX: Initialized DRISWRAST GL provider for screen 0
> [    64.689] (II) config/udev: Adding input device Microsoft Microsoft 
> Wireless Optical MouseĀ® 1.00 (/dev/input/mouse1)
> [    64.689] (II) No input driver/identifier specified (ignoring)
> [    64.689] (II) config/udev: Adding input device TPPS/2 IBM TrackPoint 
> (/dev/input/mouse0)
> [    64.689] (II) No input driver/identifier specified (ignoring)
> ------------------
> If I understand it, the system is complaining about missed input drivers. 
> However, I have an "evdev_drv.la" and an "evdev_drv.so" driver ( compiled 
> during xorg-build ) located at  /lib/X11/modules/drivers/input

First, the problem is xorg, so take kde out of the loop.  Look at the 
xorg config section and change ~/.xiinitrc to:

xterm -g 80x40+0+0   &
exec twm

Also do the part about

cat > /etc/X11/xorg.conf.d/xkb-defaults.conf << "EOF"
Section "InputClass"
     Identifier "XKB Defaults"
     MatchIsKeyboard "yes"
     Option "XkbOptions" "terminate:ctrl_alt_bksp"
EOF

Then you should be able to at least check the keyboard.

I'd plug in a standard wired usb mouse instead of a wireless one to get 
things going.  Once that is working, investigate the other devices.  It 
sounds like a driver issue, most likely in the kernel.

   -- Bruce
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