If you recently lost ability to switch from X console to text consoles or your non US chars can not be typed in - read this

[Kok, Auke]

Zbigniew Luszpinski wrote:
> To developers of future ISO image: give write rights to xserver for /var/tmp 
> to fix:
> (EE) Error loading keymap /var/tmp/server-0.xkm
> (EE) Error loading keymap /var/tmp/server-0.xkm
> in Xorg.0.log
> This is necessary for normal users.
> People running on root accountonly  all the time will not see the difference.

/var/tmp should have 01777 permissions, thus everyone should be able to write 
and read there. the only problem is if you had a crashed session as root, thus 
the user can't touch the files made by root.

in any case this is not a permission problem: `ls -ld /var/tmp`

Auke