keyboard settings change on every reboot

Same problem here:
I have a dell Latitude D630, on which I upgraded from gutsy to hardy. The keyboard mapping is the french variant of the latitude keyboard (this is set via system/preferences/keyboard). After every reboot or wakeup, I get something completely different (I haven't been able to identify the actual keymap) from the french keyboard, and I have to go back to System/Preferences/Keyboard, click on "dell latitude" (which is already selected), then "OK", and it's back to normal...

Update: Since a while, i'm not having this bug anymore.
Is it the same for you?
Can the bug be closed?

*since a while time

Yes, I'm still having it. To be honest, I've just had it 30 seconds ago. By the way, I've checked, and every key reacts as if the Alt Gr key was pressed: azertyuiop returns æ«€¶ŧ←↓→øþ

in xorg.conf, my keybord is declared as a pc105, which is quite surprising as I have a laptop (I haven't counted but I doubt I have 105 keys...)

if you have a dell latitude laptop, change your Xkbmodel to "latitude" in xorg.conf, or use evdev instead

per this:
Debian Bug report logs - #381952
please autodetect Dell Latitude keyboards
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=381952

I do not have a dell laptop. It also happens in my non-laptop computer,
and every machine I have (3).

I think it may have something to do with using more than one keyboard
(laptops always have one integrated), as it usually happened when I disconnected
my usb keyboard, used the machine without it, and after a boot, used
the usb keyboard again.

But that's just a guess.