Public bug reported:

Until yesterday the 14.04 install on this Thinkpad T530 (nvidia Optimus)
with nvidia-331 drivers worked just fine, including excellent multi-
monitor behavior. Yesterday the set of packages below [1] was updated. I
shut down, booted this morning and found out that I was not shown the
lightdm login screen: I was stuck at the purple screen that precedes it
(into which I enter my disk encryption password).

Now the funny thing is that I could hear the lightdm startup sound and
could actually login by typing my password (disk activity and started
processes verify I am actually logged in), but I can't see anything: I'm
still stuck at the puple screen.

Uninstalling the nvidia drivers solved the problem: I'm typing this in a
browser window using the nouveau drivers.

I atttempted switching to nvidia-304, but that doesn't work either.
Using those drivers I am shown the lightdm login screen, but after
logging in I'm stuck with a screen showing only the background image.
Nothing else is available, no keyboard or mouse trickery will reveal any
menu, dialog or terminal to gain access.

Since nouveau doesn't support a multi-monitor setup, it would be great
if I someone could tell me how to get the nvidia drivers working again.

Some things I noticed:
- .xsession-errors reported 'Xlib:  extension "GLX" missing on display ":0"'
- /var/log/Xorg.0.log reported 'setversion 1.4 failed: Permission denied'

[1] The packages that were updated:

Start-Date: 2014-09-03  15:07:38
Upgrade: libsystemd-login0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
systemd-services:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), librbd1:amd64 
(0.80.1-0ubuntu1.1, 0.80.5-0ubuntu0.14.04.1), ubuntu-drivers-common:amd64 
(0.2.91.5, 0.2.91.6), libsystemd-daemon0:amd64 (204-5ubuntu20.4, 
204-5ubuntu20.5), libgudev-1.0-0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
libgudev-1.0-0:i386 (204-5ubuntu20.4, 204-5ubuntu20.5), libpam-systemd:amd64 
(204-5ubuntu20.4, 204-5ubuntu20.5), librados2:amd64 (0.80.1-0ubuntu1.1, 
0.80.5-0ubuntu0.14.04.1), shotwell-common:amd64 (0.18.0-0ubuntu4.1, 
0.18.0-0ubuntu4.2), udev:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
shotwell:amd64 (0.18.0-0ubuntu4.1, 0.18.0-0ubuntu4.2), gir1.2-gudev-1.0:amd64 
(204-5ubuntu20.4, 204-5ubuntu20.5), libudev-dev:amd64 (204-5ubuntu20.4, 
204-5ubuntu20.5), libudev1:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
libudev1:i386 (204-5ubuntu20.4, 204-5ubuntu20.5), 
xserver-xorg-video-intel:amd64 (2.99.910-0ubuntu1, 2.99.910-0ubuntu1.1), 
libsystemd-journ
 al0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), rsyslog:amd64 (7.4.4-1ubuntu2, 
7.4.4-1ubuntu2.1)
End-Date: 2014-09-03  15:08:06

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: nvidia-current-updates (not installed)
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Sep  4 22:07:11 2014
SourcePackage: nvidia-graphics-drivers-304-updates
UpgradeStatus: Upgraded to trusty on 2014-06-03 (93 days ago)

** Affects: nvidia-graphics-drivers-304-updates (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

** Description changed:

  Until yesterday the 14.04 install on this Thinkpad T530 (nvidia Optimus)
  with nvidia-331 drivers worked just fine, including excellent multi-
- monitor behavior. Yesterday the set of packages below [1] was updated
- and after that I was no longer shown the lightdm login screen: I'm stuck
- at the purple screen that precedes it (into which I enter my disk
- encryption password).
+ monitor behavior. Yesterday the set of packages below [1] was updated. I
+ shut down, booted this morning and found out that I was not shown the
+ lightdm login screen: I was stuck at the purple screen that precedes it
+ (into which I enter my disk encryption password).
  
- Now the funny thing is that I hear the lightdm startup sound and can
- actually login by typing my password (disk actcivity and started
+ Now the funny thing is that I could hear the lightdm startup sound and
+ could actually login by typing my password (disk activity and started
  processes verify I am actually logged in), but I can't see anything: I'm
  still stuck at the puple screen.
  
  Uninstalling the nvidia drivers solved the problem: I'm typing this in a
  browser window using the nouveau drivers.
  
  I atttempted switching to nvidia-304, but that doesn't work either.
  Using those drivers I am shown the login screen, but after logging in
  I'm stuck with a screen showing only the background image. Nothing else
  is available, no keyboard or mouse trickery will reveal any menu, dialog
  or terminal to gain access.
  
  Since nouveau doesn't support a multi-monitor setup, it would be great
  if I someone could tell me how to get the nvidia drivers working again.
  
  Some things I noticed:
  * .xsession-errors reported 'Xlib:  extension "GLX" missing on display ":0"'
  * /var/log/Xorg.0.log reported 'setversion 1.4 failed: Permission denied'
  
  [1] The packages that were updated:
  
  Start-Date: 2014-09-03  15:07:38
  Upgrade: libsystemd-login0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
systemd-services:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), librbd1:amd64 
(0.80.1-0ubuntu1.1, 0.80.5-0ubuntu0.14.04.1), ubuntu-drivers-common:amd64 
(0.2.91.5, 0.2.91.6), libsystemd-daemon0:amd64 (204-5ubuntu20.4, 
204-5ubuntu20.5), libgudev-1.0-0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
libgudev-1.0-0:i386 (204-5ubuntu20.4, 204-5ubuntu20.5), libpam-systemd:amd64 
(204-5ubuntu20.4, 204-5ubuntu20.5), librados2:amd64 (0.80.1-0ubuntu1.1, 
0.80.5-0ubuntu0.14.04.1), shotwell-common:amd64 (0.18.0-0ubuntu4.1, 
0.18.0-0ubuntu4.2), udev:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
shotwell:amd64 (0.18.0-0ubuntu4.1, 0.18.0-0ubuntu4.2), gir1.2-gudev-1.0:amd64 
(204-5ubuntu20.4, 204-5ubuntu20.5), libudev-dev:amd64 (204-5ubuntu20.4, 
204-5ubuntu20.5), libudev1:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
libudev1:i386 (204-5ubuntu20.4, 204-5ubuntu20.5), 
xserver-xorg-video-intel:amd64 (2.99.910-0ubuntu1, 2.99.910-0ubuntu1.1), 
libsystemd-jou
 rnal0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), rsyslog:amd64 (7.4.4-1ubuntu2, 
7.4.4-1ubuntu2.1)
  End-Date: 2014-09-03  15:08:06
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: nvidia-current-updates (not installed)
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Sep  4 22:07:11 2014
  SourcePackage: nvidia-graphics-drivers-304-updates
  UpgradeStatus: Upgraded to trusty on 2014-06-03 (93 days ago)

** Description changed:

  Until yesterday the 14.04 install on this Thinkpad T530 (nvidia Optimus)
  with nvidia-331 drivers worked just fine, including excellent multi-
  monitor behavior. Yesterday the set of packages below [1] was updated. I
  shut down, booted this morning and found out that I was not shown the
  lightdm login screen: I was stuck at the purple screen that precedes it
  (into which I enter my disk encryption password).
  
  Now the funny thing is that I could hear the lightdm startup sound and
  could actually login by typing my password (disk activity and started
  processes verify I am actually logged in), but I can't see anything: I'm
  still stuck at the puple screen.
  
  Uninstalling the nvidia drivers solved the problem: I'm typing this in a
  browser window using the nouveau drivers.
  
  I atttempted switching to nvidia-304, but that doesn't work either.
- Using those drivers I am shown the login screen, but after logging in
- I'm stuck with a screen showing only the background image. Nothing else
- is available, no keyboard or mouse trickery will reveal any menu, dialog
- or terminal to gain access.
+ Using those drivers I am shown the lightdm login screen, but after
+ logging in I'm stuck with a screen showing only the background image.
+ Nothing else is available, no keyboard or mouse trickery will reveal any
+ menu, dialog or terminal to gain access.
  
  Since nouveau doesn't support a multi-monitor setup, it would be great
  if I someone could tell me how to get the nvidia drivers working again.
  
  Some things I noticed:
- * .xsession-errors reported 'Xlib:  extension "GLX" missing on display ":0"'
- * /var/log/Xorg.0.log reported 'setversion 1.4 failed: Permission denied'
+ - .xsession-errors reported 'Xlib:  extension "GLX" missing on display ":0"'
+ - /var/log/Xorg.0.log reported 'setversion 1.4 failed: Permission denied'
  
  [1] The packages that were updated:
  
  Start-Date: 2014-09-03  15:07:38
  Upgrade: libsystemd-login0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
systemd-services:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), librbd1:amd64 
(0.80.1-0ubuntu1.1, 0.80.5-0ubuntu0.14.04.1), ubuntu-drivers-common:amd64 
(0.2.91.5, 0.2.91.6), libsystemd-daemon0:amd64 (204-5ubuntu20.4, 
204-5ubuntu20.5), libgudev-1.0-0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
libgudev-1.0-0:i386 (204-5ubuntu20.4, 204-5ubuntu20.5), libpam-systemd:amd64 
(204-5ubuntu20.4, 204-5ubuntu20.5), librados2:amd64 (0.80.1-0ubuntu1.1, 
0.80.5-0ubuntu0.14.04.1), shotwell-common:amd64 (0.18.0-0ubuntu4.1, 
0.18.0-0ubuntu4.2), udev:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
shotwell:amd64 (0.18.0-0ubuntu4.1, 0.18.0-0ubuntu4.2), gir1.2-gudev-1.0:amd64 
(204-5ubuntu20.4, 204-5ubuntu20.5), libudev-dev:amd64 (204-5ubuntu20.4, 
204-5ubuntu20.5), libudev1:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), 
libudev1:i386 (204-5ubuntu20.4, 204-5ubuntu20.5), 
xserver-xorg-video-intel:amd64 (2.99.910-0ubuntu1, 2.99.910-0ubuntu1.1), 
libsystemd-jou
 rnal0:amd64 (204-5ubuntu20.4, 204-5ubuntu20.5), rsyslog:amd64 (7.4.4-1ubuntu2, 
7.4.4-1ubuntu2.1)
  End-Date: 2014-09-03  15:08:06
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: nvidia-current-updates (not installed)
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Sep  4 22:07:11 2014
  SourcePackage: nvidia-graphics-drivers-304-updates
  UpgradeStatus: Upgraded to trusty on 2014-06-03 (93 days ago)

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to nvidia-graphics-drivers-304-updates in Ubuntu.
https://bugs.launchpad.net/bugs/1365695

Title:
  No longer able to use GUI after update

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https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304-updates/+bug/1365695/+subscriptions

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