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Old 05-12-2009, 10:34 AM   #1
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Registered: Mar 2009
Posts: 12

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Can't switch to TTY or run level 3 from run level 5

Hi Guys,
here is my scenario:

I am running F10 x86_64 with Nvidia Quadro FX 3400.
I installed the drivers and it worked just fine. No errors generated according to Nvidia log files.
However, while in run level 5 when I try to switch to run level 3 by typing "telinit 3" or "init 3" the X server goes down and I get a blank screen. Same thing happens when I try to switch to a different tty session by <ctrl>+<alt>+F2 (or any F key for that matter).
I also noticed that when I shut down my system I can't see any more the screen where services are shutting down and their status ([OK] or [failed]).

Would appreciate your help on solving this issue.
Old 05-17-2009, 01:35 PM   #2
John VV
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Registered: Aug 2005
Location: A2 area Mi.
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how did you install the nvidia driver?
did you use yum OR did you install the driver ?
have you ran the nvidia tool in " /applications / System tools " ?
Old 05-18-2009, 11:25 AM   #3
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Registered: Mar 2009
Posts: 12

Original Poster
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I downloaded the drivers from Nvidia website.

The installation was very smooth, no errors or crushes.

I ran the nvidia tools but didn't change anything since everything just works. except when I try to switch to a different console or runlevel (X dies and I need to reboot the system).
I found out that if I disable composite extension in my xorg.conf and reboot or restart X, everything gets back to normal. Meaning I can switch to other consoles or runlevels.
So I am pretty sure it has something to do with the composite extension (i.e Detktop effect).

I also read in the Nvidia forum that someone changed the kernel module parameter in the nvidia drivers called NVREG_USEVBIOS from 1 to 0 and it resolved the problem.
1. I am not sure I want to fool around with the drivers.
2. I don't know how to change the parameters.

Could that be a bug in the drivers? is there an option I need to enable/disable in the nvidia tool?

Besides the fact that if X crushes I am screwed, I really enjoy the drivers' performance.

any help on resolving the issue is greatly appreciated.
Old 06-01-2009, 09:06 AM   #4
LQ Newbie
Registered: Oct 2007
Distribution: debian lenny
Posts: 24

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i have the same problem on kubuntu jaunty


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