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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

foobar, thank you for reporting this and helping make Ubuntu better.

To advise, this report is only scoped to how the discrete radeon
graphics won't stay off.

Regarding display glitches, that is already scoped in another one of
your reports >
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1467274

Regarding overheat, as you noted in
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1467274/comments/7
it also overheated in Windows, so this is not a software bug at all, but
a hardware design flaw.

Despite this, could you please advise how precisely you were turning off
the discrete card when it did work?

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
       Status: New => Incomplete

** Description changed:

- Until today I was running Ubuntu 15.04, and finally got to the point
- where I could run my HP computer with the Radeon discrete graphics
- disabled/*turned off* -- even when watching video with the VLC video
- player.
- 
- However, after upgrading to Ubuntu 15.10 today, the Radeon discrete
- graphics keeps coming on, even though I'm trying to force it to stay in
- the "PX asic powered off" state.
- 
- There are several problems with the Radeon discrete graphics:
- * when it comes on & goes off it glitches the display and the Bluetooth mouse and glitches the audio
- * it cause this laptop to run 10 degrees F hotter.
- 
- How can I disable the discrete Radeon graphics unit so that it *stays
- powered off* ?
- 
- I have already registered several bugs wrt to this problem:
- * Bug 1466934
- * Bug 1467274
- * Bug 1466950
- 
- Bottom line: I want to *keep the Radeon discrete graphics unit turned
- off*, and do not wish to use this unit for any "hardware decoding",
- "hardware rendering", or *anything*.
- 
- My AMD 3-core CPU is powerful enough to do *software rendering* for
- anything I want to do, so I don't really need or want the discrete
- Radeon graphics running on this computer.  (I have other computers
- available should I need HW encoding/decoding/rendering assist.)
+ After upgrading from Ubuntu 15.04 to 15.10, the AMD discrete card keeps
+ coming on.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubuntu-release-upgrader-core 1:15.10.14
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Thu Oct 22 16:30:42 2015
  InstallationDate: Installed on 2015-07-25 (89 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to wily on 2015-10-22 (0 days ago)
  VarLogDistupgradeTermlog:

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1509135

Title:
  Discrete Radeon graphics unit won't stay *off*

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  After upgrading from Ubuntu 15.04 to 15.10, the AMD discrete card
  keeps coming on.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubuntu-release-upgrader-core 1:15.10.14
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Thu Oct 22 16:30:42 2015
  InstallationDate: Installed on 2015-07-25 (89 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to wily on 2015-10-22 (0 days ago)
  VarLogDistupgradeTermlog:

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