hmm, do you have something special in your .Xmodmap?, look for any of this combinations from
the gentoo wiki: 1. grp:switch — toggle using right alt key, but only until unpressed
2. grp:lswitch — Left Alt key switches group while pressed
3. grp:lwin_switch — Left Win-key switches group while pressed
4. grp:rwin_switch — Right Win-key switches group while pressed
5. grp:win_switch — Both Win-keys switch group while pressed
6. grp:toggle — Right Alt key changes group
7. grp:lalt_toggle — Left Alt key changes group
8. grp:caps_toggle — Caps Lock key changes group
9. grp:shift_caps_toggle — Shift+CapsLock changes group
10. grp:shift_toggle — Both Shift keys together change group
11. grp:alts_toggle — Both Alt keys together change group
12. grp:ctrls_toggle — Both Ctrl keys together change group
13. grp:ctrl_shift_toggle — Control+Shift changes group
14. grp:ctrl_alt_toggle — Alt+Control changes group
15. grp:alt_shift_toggle — Alt+Shift changes group
16. grp:menu_toggle — toggle using "context menu" key on Windows keyboards
17. grp:lwin_toggle — toggle using left win key on Windows keyboards
18. grp:rwin_toggle — toggle using right win key on Windows keyboards
19. grp:lshift_toggle — Left Shift key changes group
20. grp:rshift_toggle — Right Shift key changes group
21. grp:lctrl_toggle — Left Ctrl key changes group
22. grp:rctrl_toggle — Right Ctrl key changes group
May be adding the keyboard side like lctrl_lshift?
Ooops, my boss is comming...
