Unicode goes messy when switching from terminal to X and backwards.

This happens in my OU Linux (locale - RU) installation over virtualbox in Win7. The same is at over 10 other computers.
Steps to reproduce:
*assume, we are in X now.
1. ctrl-alt-f1 to switch to terminal.
2. Then write some unicode to the screen, for example `man ls` (it is in cyrillic, 'cuz the locale is RU).
3. ctrl-alt-f7 to go to the X enironment.
3. ctrl-alt-f1 to go to the terminal again.
4. now we see, that the unicode support goes down.
Temporary fix: do `unicode_start` each time after coming back to terminal.
Any ideas to permanent or auto-fix?

The Linux kernel includes a bare bones keyboard and screen driver for the console. The keyboard driver sends characters to an application, the application requests from the screen driver some output on the display, and in the path from the keyboard driver to the application and further to the screen driver, the characters are nothing but codes. And since in the end we want to see their little pictures (glyphs) on the screen there must be a way to associate the glyphs with those codes - font.
There are two screen modes, single byte mode and UTF-8 mode. By issuing: unicode_start you switch both keyboard and console to UTF-8. In UTF-8 mode, the bytes received from the application and to be written to the screen are interpreted as a UTF-8 sequence, turned into unicodes and looked up in the unimap to determine the glyph to use.
That's why I thought vt.default_utf8=1 kernel parameter might help. Well, if it does not, sorry, I don't have any better idea. Perhaps someone else will have a better answer.
I'm not sure if the below still applies to Xorg:
http://www.faqs.org/docs/Linux-HOWTO/Keyboard-and-Console-HOWTO.html#s7
XFree86 1.3 saves the fonts loaded in the character ROMs when started, and restores it on a console switch. Thus, the result of setfont on a Virtual Terminal is wiped out when you go to X and back. Using setfont under X will lead to funny results.
I know I can use terminal from X, but as this bug present, it should be fixed.From what I can gather the switching to the VT text console is a meant to be a lightweight terminal for the purpose of troubleshooting. As such, the current behavior could be desired. The user configurable files to maintain the Linux system are all US-ASCII.
Edited by: waldorfm on Oct 27, 2010 5:50 AM

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