virtual terminals become unusable when starting x on sid

[navaja <cantinho@myrealbox.com>]

hi,

i boot up, and get command prompt login. can use all vitual termninals. 
then i start x, with "startx" (with login manager i get the same 
problem). x starts, then i try to go back to a virtual terminal, and all 
i see is messed up lines going down my screen.

thanks