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Old 02-07-2012, 12:04 AM   #1
JohnLocke
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Registered: Jun 2004
Location: Denver, Colorado
Distribution: Ubuntu
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Messed up NVidia: Tiny error message and Unity doesn't start (Ubuntu)


Ok ... so I've been trying in vain to get sound out of my GT520 HDMI port. The latest attempt was to try the 290.10 drivers from NVidia directly. So I removed the current drivers, killed lightdm (gracefully) and installed.

Boom ... no graphical interface at all. Got a message about API conflict where I had driver 290 and the kernel had 285. Ok , so I uninstalled the new drivers.

The GUI comes back, but before it logs in, I have to click a button 3 times. This button and (I think) error message are *tiny*. I have no idea what they say. Only that they're a button, and I click it three times, then GUI.

But no unity. It loads my desktop background, and apparently loads Nautilus, and that's it. I have a file manager.

I'm not sure how to get past this. The only thing I see is in dmesg where it say:
Code:
PID: 1002, com: Xorg Tainted: P      C  3.0.0-15-generic #26-Ubuntu
Then it dumps a "Call Trace" about nvidia (lots of repetitiveness and some memory addresses, but I don't see anything useful).

Not sure how to get out of this state. I thought, maybe uninstall all the nvidia packages? All that's left is nvidia-common, nvidia-current, nvidia-current-updates, nvidia-settings, and nvidia-settings-updates ... which would seem harmless enough.

Any ideas?
 
Old 02-07-2012, 12:43 AM   #2
ukiuki
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Could you please post Xorg.0.log and xorg.conf that would give us some idea about what is going on.
Or try to roll back to the previous driver, seen like your card doesn't like that 290.

Regards
 
Old 02-07-2012, 11:10 AM   #3
JohnLocke
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Registered: Jun 2004
Location: Denver, Colorado
Distribution: Ubuntu
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Quote:
Originally Posted by ukiuki View Post
Could you please post Xorg.0.log and xorg.conf that would give us some idea about what is going on.
Yes, I'll post both when I get back home tonight, though the xorg.conf probably won't be much help. I blew it away (I have a backup) and tried to regenerate it with nvidia-xconfig (I think that's the one). That gave me the same result as the Xorg.conf I had from the "bad" drive as well as the one from the previous driver. No joy.

Quote:
Originally Posted by ukiuki View Post
Or try to roll back to the previous driver, seen like your card doesn't like that 290.
That's what I tried to do, but I think I'm missing a step.

So, I uninstalled the 290 driver (just by running the same executable with --uninstall) and got no errors, so that seemed good. Immediately, I was able to boot into the UI ... well ... Nautilus. But I don't know how to tell it from the command line to use a previous driver.

That appears to be the step I'm missing.
 
Old 02-07-2012, 07:46 PM   #4
JohnLocke
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Registered: Jun 2004
Location: Denver, Colorado
Distribution: Ubuntu
Posts: 240

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Quote:
Originally Posted by JohnLocke View Post
That appears to be the step I'm missing.
Sometimes it's so simple ...

Code:
apt-get install reinstall nvidia-current
That was it, it appears. I got back on 280.

Plus, I re-upgrade, this time using the packages:

Code:
sudo apt-add-repository ppa:ubuntu-x-swat/x-updates
sudo apt-get update
sudo apt-get install nvidia-current
Works great.
 
  


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