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Message #105142
[Bug 1410801] Re: [AMD Richland + Topaz XT ] gpu-manager generated xorg.conf is not compatiable with switchable graphics
Please follow these steps and report the results:
1) Boot using the "nogpumanager" parameter from the GRUB menu (this will make sure that the xorg.conf is not overwritten)
2) Copy the attached to /etc/X11/xorg.conf
3) Log out and log back in
4) See if it solves the problem
** Attachment added: "xorg.conf"
https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1410801/+attachment/4336042/+files/xorg.conf
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https://bugs.launchpad.net/bugs/1410801
Title:
[AMD Richland + Topaz XT ] gpu-manager generated xorg.conf is not
compatiable with switchable graphics
Status in HWE Next Project:
Confirmed
Status in fglrx-installer package in Ubuntu:
Confirmed
Status in ubuntu-drivers-common package in Ubuntu:
Confirmed
Bug description:
This is a trusty system with two GPUs:
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Richland [Radeon HD 8610G] [1002:990f]
01:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT [Radeon R7 M260] [1002:6900]
After installing fglrx driver, still not able to swtich in between
graphics.
Steps to reproduce:
1. install system with trusty
2. install fglrx
3. sudo amdcccle
Expected result:
Able to see the optoin of switchable graphics
Actual result:
There is no such option.
Verification:
1. Adding "nogpumanager" to kernel parameter
2. Recreate the xorg.conf with "amdconfig --initial".
3. Reboot
4. Open amdcccle
You will able to see the option of switchable graphics
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-drivers-common 1:0.2.91.5
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Jan 14 21:11:29 2015
InstallationDate: Installed on 2015-01-14 (0 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: ubuntu-drivers-common
UpgradeStatus: No upgrade log present (probably fresh install)
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References