CTL + ALT + Fx doesn't work when X is loaded

[growse]

If I boot into x, I can't switch to a text console using CTL+ALT+F1 (for example). There seems to be no error, it just doesn't happen. It's the same if I'm in the xdm login screen.

If I boot into text mode, I can do it, but not in X.

This seems to be regardless of wm (openbox, e17) or xdm thing (entrance, xdm). Hardware is a laptop - ibm thinkpad t42.

Any ideas on what might be causing this?
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Getting there....

[greasy_grasshopper]

There are quite a few solutions for your problem on this thread: https://forums.gentoo.org/viewtopic-t-307900.html