Comment 114 for bug 1365695

@Alberto - I followed the steps you gave above but the problem remains. It
has made no obvious difference after reboot: system hangs after login with
just the left hand monitor displaying an Ubuntu background.

On Mon, Oct 13, 2014 at 3:04 PM, Alberto Milone <
<email address hidden>> wrote:

> @steveb:
>
> Please follow these steps:
>
> sudo add-apt-repository ppa:canonical-x/x-staging
>
> (say yes to the all the questions)
>
> sudo apt-get update
>
> sudo apt-get install xserver-xorg-video-intel
>
> Remove nvidia:
> sudo apt-get --purge remove nvidia-331 (or nvidia-331-updates, according
> to what you installed)
>
> sudo apt-get install nvidia-331
>
> Restart your computer.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1365695
>
> Title:
> No longer able to use GUI after update
>
> Status in “nvidia-graphics-drivers-304-updates” package in Ubuntu:
> Confirmed
> Status in “nvidia-graphics-drivers-331” package in Ubuntu:
> Confirmed
> Status in “nvidia-graphics-drivers-331-updates” package in Ubuntu:
> Confirmed
> Status in “ubuntu-drivers-common” package in Ubuntu:
> Fix Released
> Status in “xserver-xorg-video-intel” package in Ubuntu:
> Confirmed
> Status in “nvidia-graphics-drivers-304-updates” source package in Trusty:
> Confirmed
> Status in “nvidia-graphics-drivers-331” source package in Trusty:
> Confirmed
> Status in “nvidia-graphics-drivers-331-updates” source package in Trusty:
> Confirmed
> Status in “ubuntu-drivers-common” source package in Trusty:
> Triaged
> Status in “xserver-xorg-video-intel” source package in Trusty:
> Incomplete
>
> Bug description:
> 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-journal0: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)
>
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