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unibroker
Premium
join:2010-11-12
Altadena, CA

Ubuntu 12.04 freeze on startup

I got such good results the last time I tapped the dslreport braintrust that I'm back with another issue.

I shutdown my desktop every night. Without exception I get freezes or am dropped into terminal which then freezes immediately following login. This happens for the first 2 or 3 attempts after which I get a normal boot and an uneventful session.

When I'm dropped into terminal or non-graphical mode I see a lot of output but I see one line that refers to kernel panic. I looked at kernel.log for the first time yesterday and I see the term "abort" appears around lines referring to the Nouveau driver. I have a Nvidia graphics card. When I did the Ubuntu install I ticked the Install Proprietary Drivers so I was surprised that they aren't installed.

I've already downloaded but not installed my specific Nvidia drivers. Can the Nouveau and Nvidia drivers co-exist? If not do you think I will run into problems if I install the Nvidia drivers and then purge the Nouveau?

BTW, this issue is more of a nuisance than anything but the 2 to 3 hard shutdowns can't be good for the system.

Thanks in advance.



Maxo
Your tax dollars at work.
Premium,VIP
join:2002-11-04
Tallahassee, FL

Don't try to install the drivers from the nvidia website. See »Tried to update nVidia drivers, now Unity is broken..
Instead open up System Settings->Additional Drivers. Choose the most recent drivers. The one that will be labeled "Recommended" won't be the latest. Pick whichever you feel the most comfortable with. I use the latest without issue.
The proprietary option at install time install Flash and multimedia codecs, but not proprietary modules for your hardware. That is done post-install.
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unibroker
Premium
join:2010-11-12
Altadena, CA

I knew it would be worth posting here! I looked at Additional Drivers like you suggested and the one I downloaded, because it was the only option from the Nvidia website, is listed as "experimental". The recommended one is also the current version. Thanks again Maxo.

BTW, do I uninstall the Neauveau drivers?



Maxo
Your tax dollars at work.
Premium,VIP
join:2002-11-04
Tallahassee, FL

If you just install from the Additional Drivers screen you won't need to do anything else. The "experimental" driver is the newest, and one I use on my home machine. I would recommend starting off with it. Chances are you will be better off as the latest drivers have some important performance fixes.



Maxo
Your tax dollars at work.
Premium,VIP
join:2002-11-04
Tallahassee, FL
reply to unibroker

Did that fix your problem?


unibroker
Premium
join:2010-11-12
Altadena, CA

Not sure. Glad I'm using the Nvidia drivers but with respect to the problem; it still exists and I think it may be the way in which I shutdown. I haven't been too good about properly closing all running programs and just hitting shutdown. I read something about my problem being related to the last session's exit. I'll try it tonight and see what happens tomorrow morning.


unibroker
Premium
join:2010-11-12
Altadena, CA

Much better this morning. I was knocked back to the login screen but after re-signing in the computer stabilized. Interestingly, I was knocked back to the login screen when I tried to fire up Chromium. Maybe I'll download Chrome and see if that is better on the resource usage.


unibroker
Premium
join:2010-11-12
Altadena, CA
reply to Maxo

Wanted to give an update on my freezing problem in hopes that this may help someone else.

Last week someone suggested I run a memtest. From the grub menu I got an error. They then suggested that I remove, one at a time, my ram sticks (I have 2, 1GB sticks) and reboot. With all 3 scenarios (both sticks in place and each one removed) I got the same memtest error from grub. Later on I noticed that gparted has a memtest as one of its opening options so I ran it for 2 passes and both completed with no errors. By the way there is a known bug in grub as well as a patch.

The upside to all of the tinkering with the memory sticks is I have had no freezes/crashes! Seems that just re-seating those 2 sticks has cured what ailed my computer.



Sr Tech
Premium
join:2003-01-19
Valhalla, NY
Reviews:
·PHONE POWER
reply to unibroker

As for installing my Nvidia drivers I used a script from Ubuntu extremes web site.

»ubuntuxtreme.com/howto/how-to-in···-304-64/

The script detects what is in use, removes all existing Nouveau drivers and gives you a choice on which version of Nvidia driver to install.



piper
Premium
join:2001-04-19
Buffalo, NY

You can also just do


apt-get update && apt-get install nvidia-kernel-source nvidia-kernel-common nvidia-kernel-dkms nvidia-glx nvidia-settings


You can also have the latest by using experimental repo


apt-get update && apt-get install -t experimental nvidia-kernel-source nvidia-kernel-common nvidia-kernel-dkms nvidia-glx nvidia-settings


From there, you can either purge or blacklist the nouveau driver as root


echo blacklist nouveau > /etc/modprobe.d/nouveau.conf


and reboot, or


apt-get remove --purge xserver-xorg-video-nouveau


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