installed hardy system uses "C" locale instead of what was chosen in the installer
|Ubuntu Desktop Bugs|
Binary package hint: gdm
(I'm guessing gdm is the appropriate package, but it might be the installer as well, or something completely different, like a larch.)
I just installed today's (or possibly yesterday's) daily build on an amd64 machine. In the installer, I chose Finnish as my language and locale. Booting into the installed system, gdm talks English, and after I log in, the locale ($LANG) is set to C, not fi_FI.UTF-8.
(The md5sum of the ISO used for installation is 31df1ed91ea9f35