Public bug reported:

Binary package hint: xkb-data

I've got Intrepid installed on a MacBookPro5,1 with German keyboard
layout. I started configuring the keyboads using gnome-keyboard-
properties as available from the settings menu. I first selected the
layout "Germany Macintosh, eliminate dead keys" and followed that up
with changing the model to "MacBook/MacBook Pro (Intl)". This resulted
in an error message "Error activating XKB configuration" which asked me
to prvide this additional information:

$ xprop -root | grep XKB
_XKB_RULES_NAMES_BACKUP(STRING) = "evdev", "pc105", "de", "mac_nodeadkeys", ""
_XKB_RULES_NAMES(STRING) = "evdev", "pc105", "de", "mac_nodeadkeys", ""

$ gconftool-2 -R /desktop/gnome/peripherals/keyboard/kbd
 layouts = []
 model = macbook79
 options = []

As the error message from the dialog contains little actual information,
I straced gnome-settings-daemon and identified a failing invocation of
xkbcomp as the likely cause of the issue. By renaming /usr/bin/xkbcomp
and replacing it with a wrapper script, I managed to get my hands on its
input file and reproduce the issue:

$ cat /tmp/fileJPMGgA 
xkb_keymap {
        xkb_keycodes  { include "evdev+aliases(qwertz)" };
        xkb_types     { include "complete+numpad(mac)" };
        xkb_compat    { include "complete" };
        xkb_symbols   { include 
"pc+macintosh_vndr/de(mac_nodeadkeys)+inet(evdev)" };
        xkb_geometry  { include "macintosh(macbook79)" };
};

$ xkbcomp -I -I/usr/share/X11/xkb -xkm /tmp/fileJPMGgA /tmp/fileNtKqh7
Error:            No Symbols named "mac_nodeadkeys" in the include file 
"macintosh_vndr/de"
                  Exiting
                  Abandoning symbols file "(null)"

That looks like a much better error description. Looking at
/usr/share/X11/xkb/symbols/macintosh_vndr/de I see that indeed it
doesn't contain a description of "mac_nodeadkeys". Neither does it
include /usr/share/X11/xkb/symbols/de where the mac_nodeadkeys would
have been defined. Changing the layout to simple "Germany Eliminate dead
keys", I could use the MacBook keyboard model all right, just as
mac_nodeadkeys layout worked all right with a Generic keyboard model.
However, both combinations don't fully match the key labels.

My first concern is that for an obvious choice like a MacBook keyboard
model with a mac keyboard layout, no obscure error messages should be
generated by the Gnome UI. Secondly, it would be nice to actually get
Mac keyboard layout, in order to stay consistent with OS X and friends.

** Affects: mactel-support
     Importance: Undecided
         Status: New

** Affects: xkeyboard-config (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Error activating XKB configuration with MacBook keyboard model
https://bugs.launchpad.net/bugs/327963
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