[blfs-support] Xorg-7.7 Does not Detect Input Devices on 64-bit Build

John Frankish j-frankish at slb.com
Sat Nov 2 05:35:10 PDT 2013


> > > Ref: Beyond Linux From Scratch - Version 2013-11-01 Part VI. X + Window  Managers
> > >
> > > I built Xorg-7.7 in the same way on the same machine in both 32-bit and  64-bit versions.
> > >
> > > The 32-bit version works without problems, but the 64-bit version does not 
> > > seem to detect the keyboard/mouse. After issuing the "startx" command, the 
> > > x-window desktop appears, but the mouse and keyboard are unresponsive and the 
> > > only way out is to turn the power off.
> > >
> > > By symlinking the Xorg.0.log to permanent storage and/or using ssh from 
> > > another machine, I managed to get the Xorg.0.log (it was identical in both 
> > > cases), but it doesn't appear to give many clues (see below).
> > >
> > > Any troubleshooting pointers would be appreciated.
> > >
> > Do you have somthing like:
> > [    25.470] (II) LoadModule: "evdev"
> > in the log?
> > If not, It might be that you forgot to compile the evdev driver. (see Xorg drivers page).
> >
>
> No, I don't have anything like LoadModule: "evdev", but the evdev driver is there at:
>
> /usr/local/lib/xorg/modules/input/evdev_drv.so
>
> Note that the intel driver is loaded from:
>
> /usr/local/lib/xorg/modules/drivers/intel_drv.so
>
> Is there a way to force Xorg to use the old-style mouse/keyboard drivers rather than evdev?

Using:

$ cat /etc/X11/xorg.conf
Section "ServerFlags"
Option "AutoAddDevices" "false"
EndSection

..forces xorg to use the (old) standard keyboard/mouse drivers and makes things work.

'Doesn't explain why the 32-bit evdev driver works and the 64-bit one doesn't though.

Regards
John




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