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Old 04-12-2010, 02:35 PM
Ralf Mardorf
 
Default Ubuntu kernel + restricted NVIDIA modules = black screen

Installed the following packages:
linux-backports-modules-2.6.24-27-rt (2.6.24-27.36)
linux-image-2.6.24-27-rt (2.6.24-27.68)
linux-restricted-modules-2.6.24-27-rt (2.6.24.18-27.5)
linux-restricted-modules-rt (2.6.24.27.29)
linux-ubuntu-modules-2.6.24-27-rt (2.6.24-27.45)
nvidia-cg-toolkit (2.0.0010)
nvidia-kernel-common (20051028+1ubuntu8)
nvidia-settings (1.0+20080304-0ubuntu1.1)
nvidia-xconfig (1.0+20070502-1ubuntu1)

root@64studio:~# uname -r
2.6.29-1-multimedia-amd64
root@64studio:~# gedit /media/suse11.2/boot/grub/menu.lst
[...]
title 64 Studio, NVIDIA
root (hd0,5)
kernel /boot/vmlinuz-2.6.24-27-rt
root=UUID=7517d4f5-be85-430c-a812-b0d98d24d0c7 ro quiet splash
initrd /boot/initrd.img-2.6.24-27-rt
quiet
[...]

root@64studio:~# gedit /etc/X11/xorg.conf
Changed
Driver "nv"
To
Driver "nvidia"
Kept
Section "Module"
Load "glx"
#Load "GLcore"
#Load "v4l"

Clicked the "System restart required" button

It failed, I waited until I was asked to configure X, I tried to do it,
but then cancel it.
After the session was started, while I started to restore the old
settings, a button "Restricted drivers available" appeared. I installed
the drivers and again clicked the "System restart required" button.

Btw. last time GDM was ok, it was broken before I tried the Ubuntu
kernel-rt.
After startup I had a black screen Ctrl + Alt + Backspace and Ctrl + Alt
+ Del didn't work, not when single and not when double pushing it.
I reset the computer and repaired xorg.conf for 64 Studio when I was
running a Suse session.

suse11-2:/home/spinymouse11.2 # diff /media/studio3.0/etc/X11/xorg.conf
/media/studio3.0/etc/X11/xorg.conf_nv
20,21c20,21
< #Busid "PCI:1:5:0"
< Driver "nvidia"
---
> #Busid "PCI:1:5:0"
> Driver "nv"
24d23
< Option "NoLogo" "True"
28,35c27,34
< Displaysize 305 230
< Horizsync 29-98
< Identifier "Configured Monitor"
< Modelname "Plug 'n' Play"
< Vendorname "Plug 'n' Play"
< Vertrefresh 50-120
< modeline "1152x864" 128.42 1152 1232 1360 1568 864 865 868 910
< Gamma 1.0
---
> DisplaySize 305 230
> HorizSync 29-98
> Identifier "Configured Monitor"
> Modelname "Plug 'n' Play"
> Vendorname "Plug 'n' Play"
> VertRefresh 50-120
> modeline "1152x864" 128.42 1152 1232 1360 1568 864 865 868 910
> Gamma 1.0
45,46c44,45
< Modes "1152x864"
< Virtual 3840 1200
---
> Modes "1152x864"
> Virtual 3840 1200
suse11-2:/home/spinymouse11.2 # cp /media/studio3.0/etc/X11/xorg.conf_nv
/media/studio3.0/etc/X11/xorg.conf

Now GDM is broken again, but the session using the FLOSS nv driver is ok
again.
And the "new" kernel is ok too.

spinymouse-sudo@64studio:~$ uname -r
2.6.24-27-rt
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