I need to investigate this further but it looks like a bug in the driver
package (the nvidia-331-prime alternative was not removed).
If you want to go back to a fully working system, you should do the
following:
1) sudo update-alternatives --config x86_64-linux-gnu_gl_conf
2) Select the alternative that contains the word "mesa".
3) type:
sudo ldconfig
sudo update-initramfs -u
You might want to repeat the steps to fix the alternative for i386:
1) sudo update-alternatives --config i386-linux-gnu_gl_conf
Steps 2 and 3 are the same.
** Changed in: nvidia-prime (Ubuntu)
Assignee: (unassigned) => Alberto Milone (albertomilone)
** Changed in: nvidia-prime (Ubuntu)
Status: New => Triaged
** Changed in: nvidia-prime (Ubuntu)
Importance: Undecided => High
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-prime in Ubuntu.
https://bugs.launchpad.net/bugs/1257434
Title:
Removing nvidia-prime & nvidia driver packages creates an unusable
install
Status in “nvidia-prime” package in Ubuntu:
Triaged
Bug description:
Test case:
on a 14.04 install on an optimus laptop
install nvidia driver (331) & nvidia-prime, restart
After restart remove the nvidia driver & nvidia-prime (whether the other
packages installed when nvidia driver was installed are also removed doesn't
seem matter one way or the other
Restart
What happens here:
Logs into a blank 'Desktop', background + ubuntu 13.10 logo
compiz is running but no OpenGl so no unity, deco, ect. ect.
Enabling OpenGl in ccsm proves futile as it is not loaded & will be again be
disabled upon log out/in or restart
Have yet to find any means to recover the install
Alt what happens here: (above is more likely
sometimes never get to the greeter, get the low graphic pop up which is a
complete dead end
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: nvidia-prime (not installed)
ProcVersionSignature: Ubuntu 3.12.0-4.12-generic 3.12.1
Uname: Linux 3.12.0-4-generic x86_64
ApportVersion: 2.12.7-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Dec 3 13:51:50 2013
InstallationDate: Installed on 2013-12-01 (2 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131129)
SourcePackage: nvidia-prime
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1257434/+subscriptions
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