[Xorg 7.2] Unable to get back to console

[Romain LE DISEZ]

I'm using Xorg 7.2 from the "git port tree". My graphic card is a Radeon
9600 Pro (RV350). The resolution I configured is "1280x1024".

Once Xorg was started, I can't get back to console by pressing
<ctrl+alt+fN>. The screen stay black, I can't see anything. I can continue
to use the computer by returning to Xorg (ctrl+alt+f9)

Is it a know bug ? Do you need more informations ?

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Romain LE DISEZ