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Old 02-23-2011, 09:19 PM   #1
Ariox
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Registered: Oct 2004
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Question Installed wrong nvidia driver, help me find correct boot options. Debug info inc.


Hi all,

I mucked my system up while trying to install proprietary nvidia drivers -- I was careless and installed the wrong ones (should have used legacy drivers). Now my system hangs on "starting udev" during boot.

I have tried many combinations of boot options in an effort to blacklist the problematic driver. Attached is a picture of my boot screen after specifying the options "single init 3 modprobedebug", and removing the options "rgbh quiet". For some reason I am having a lot of trouble blacklisting the correct module, or maybe I caused a kernel problem, which in that case is beyond me.

Also, boot option syntax question: can I specify something like "rdblacklist=*nvidia*" using wildcards?

thanks in advance.
Attached Images
File Type: jpg IMG_1527.JPG (194.4 KB, 2 views)
 
Old 02-23-2011, 09:25 PM   #2
eveningsky339
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I'm not exactly an expert, but I've mucked up nvidia driver installations before. Here's what I did on Debian--

-At the GRUB screen, selected to boot into recovery mode, which gives me a CLI-only environment

-Use nano or vi/m to comment out all the lines in xorg.conf, or simply rename the file to xorg.conf.bak

-Reboot

The default video driver (I believe it's nouveau or vesa on Ubuntu??) will be activated.
 
Old 02-23-2011, 10:22 PM   #3
Ariox
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Quote:
Originally Posted by eveningsky339 View Post
I'm not exactly an expert, but I've mucked up nvidia driver installations before. Here's what I did on Debian--

-At the GRUB screen, selected to boot into recovery mode, which gives me a CLI-only environment

-Use nano or vi/m to comment out all the lines in xorg.conf, or simply rename the file to xorg.conf.bak

-Reboot

The default video driver (I believe it's nouveau or vesa on Ubuntu??) will be activated.
Hi,

I don't have GRUB installed on this system, as it only has single OS. Instead of getting a GRUB menu, it just starts to load the kernel right away. If I could find a way to reach a command line/text editor that would be great, but at this point I cannot even boot into single user mode. The previous module used was nouveau.

Last edited by Ariox; 02-23-2011 at 10:24 PM.
 
Old 02-28-2011, 04:19 AM   #4
jimtony
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What is the graphic module you used now?
Edit the /etc/modprobe.d/blacklist.conf file, add a line:

blacklist modulename


Maybe it will help.
 
Old 02-28-2011, 04:37 AM   #5
EDDY1
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Grub is sometimes hidden on single os systems sometimes.
Use a rescue cd.
http://karuppuswamy.com/wordpress/20...rescue-prompt/
 
Old 02-28-2011, 11:06 PM   #6
jimtony
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Edit the /boot/grub/grub.conf these lines:

default=0
timeout=8
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
#hiddenmenu


Set timeout=seconds and add # in hiddenmenu lines.
 
  


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