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[GoddamnNoise <1496697@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Hi,

I've Ubuntu 14.04 LTS installed on a Toshiba Satellite laptop (it has an
integrated Intel video card and an AMD Radeon video card). After
installation I was using an external monitor screen connected to the
laptop through the HDMI laptop's output. Everything worked fine until
the Ubuntu's Software Updater showed me some pending updates. I've made
the updates and the next time i restarted the laptop, there was no way
to detect the external screen. After googling a lot about this, i
couldn't find a solution to my problem.

This is the output of the xrandr command:


Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767
eDP1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
   1366x768       60.0*+
   1360x768       59.8     60.0  
   1024x768       60.0  
   800x600        60.3     56.2  
   640x480        59.9  
VIRTUAL1 disconnected (normal left inverted right x axis y axis)

As you see, the HDMI output is not shown, but it was shown until the
Ubuntu update.

I think this is the same problem reported at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490689

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-49-generic 3.16.0-49.65~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-49.65~14.04.1-generic 3.16.7-ckt15
Uname: Linux 3.16.0-49-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.13
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Sep 17 08:28:42 2015
InstallationDate: Installed on 2015-08-27 (20 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-lts-utopic (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1496697

Title:
  HDMI output gone after completing ubuntu updates

Status in linux-lts-utopic package in Ubuntu:
  New

Bug description:
  Hi,

  I've Ubuntu 14.04 LTS installed on a Toshiba Satellite laptop (it has
  an integrated Intel video card and an AMD Radeon video card). After
  installation I was using an external monitor screen connected to the
  laptop through the HDMI laptop's output. Everything worked fine until
  the Ubuntu's Software Updater showed me some pending updates. I've
  made the updates and the next time i restarted the laptop, there was
  no way to detect the external screen. After googling a lot about this,
  i couldn't find a solution to my problem.

  This is the output of the xrandr command:

  
  Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767
  eDP1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
     1366x768       60.0*+
     1360x768       59.8     60.0  
     1024x768       60.0  
     800x600        60.3     56.2  
     640x480        59.9  
  VIRTUAL1 disconnected (normal left inverted right x axis y axis)

  As you see, the HDMI output is not shown, but it was shown until the
  Ubuntu update.

  I think this is the same problem reported at
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490689

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-49-generic 3.16.0-49.65~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-49.65~14.04.1-generic 3.16.7-ckt15
  Uname: Linux 3.16.0-49-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.13
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Sep 17 08:28:42 2015
  InstallationDate: Installed on 2015-08-27 (20 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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