[Solved] Re: Ctrl+alt+Fn not showing consoles

[rudupere <rudupere@free.fr>]

Le 29/04/2010 05:55, Justin The Cynical a écrit :
> rudu wrote:
>
> > In single user mode, I can login on the first virtual console but
> > every other ctrl+alt+Fn I hit only gives me a black screen with a
> > prompt flashing in the upper left corner ...
>
> IIRC, in single user mode, this is normal.
>
>
> > Launching a graphic session with startx instead of gdm/kdm doesn't
> > change anything except that I don't even have any flashing prompt on
> > my black screen anymore.
>
>
> This is an old, old bug (IMO) in the binary nvidia module. I've had this
> problem since getting Linux running on my old pentium m laptop with a
> 6000 go series chip.
>
> For example:
>
> http://www.nvnews.net/vbulletin/showthread.php?t=131639
>
> and possible fix (seems to be hit or miss):
> http://www.nvnews.net/vbulletin/showthread.php?t=120492

Bingo !!
That was it, an old bug from nvidia drivers.
The workaround that worked for me :
Append the line :
options nvidia NVreg_UseVBios=0
to the file /etc/modprobe.d/nvidia-kernel-nkc.conf

A big thank you to Justin and everyone who helped.

Jean-Marc