Hallo Alberto,

I followed your instructions, including the installation of the 
ubuntu-drivers-common from the proposed-archive.

The result was, that the xorg.conf wasn't changed anymore after reboots.

BUT the output from /var/log/gpumanager.log says: Disabled by kernel 
parameter "nogpumanager"
Before that I had the gpu-manager disabled via the grub parameter 
nogpumanger to prevent my xorg.conf from being overwritten. But 
following your instructions, I deleted this parameter and updated grub.
I doublechecked my /etc/default/grub: There's no such parameter.
Did this happen intentionally via the new ubuntu-drivers-common-package 
or did I miss something?
Is it possible that there's a lock-file somewhere not working right?

What exactly is the downside of a not-working gpu-manager when 
proprietary drivers are installed?

Thanks a lot in advance


Best regards

Philipp

Am 04.09.2014 um 11:57 schrieb Alberto Milone:
> ** Description changed:
>
>    Description:       Ubuntu 14.04 LTS
>    Release:   14.04
>    
>    ----------------
>    
>    == SRU Request ==
>    
>    There is a regression in the gpu-manager that causes it to revert user
>    changes right before the first reboot after enabling the fglrx driver or
>    the nvidia driver on a system with hybrid graphics (Intel+AMD or
>    Intel+NVIDIA). This causes the gpu-manager to remove the current
>    xorg.conf and to switch to Mesa.
>    
>    [Impact]
>     * This regression makes it almost impossible to use binary drivers on 
> systems with hybrid graphics.
>    
>    [Test Case]
>     * Make sure to be using a hybrid system with Intel+AMD or Intel+NVIDIA 
> GPUs.
>    
>     * Make sure that the gpu-manager is not disabled (only necessary if you
>    disabled it manually).
>    
>     * Remove all fglrx and nvidia drivers (keep the nvidia-common and the 
> nvidia-prime packages):
>       sudo apt-get --purge remove nvidia-331
>       sudo apt-get --purge remove nvidia-331
>       sudo apt-get --purge remove fglrx
>       sudo apt-get --purge remove fglrx-updates
> +
> +  * Install ubuntu-drivers-common from trusty-proposed.
>    
>     * Restart the system.
>    
>     * Install the binary driver (either fglrx or nvidia, according to the 
> available discrete GPU), reboot, and check that the binary driver is enabled 
> (attach your /var/log/gpu-manager.log)
>        - Expected: the (AMD or NVIDIA) discrete GPU is enabled.
>        - Bad behavior: the system switches back to the intel driver and the 
> discrete GPU is not used, despite the fact that the system was configured 
> properly.
>    
>    [Regression Potential]
>     * Low. Systems that currently work will keep working as usual, the ones 
> that currently fail should finally work.
>    
>    [Other Info]
>     * N/A
>    
>    -----------------
>    
>    Hello,
>    
>    I am using a notebook with a quadcore AMD A10 and hybrid graficcard 
> AMD/ATI Radeon HD 8650G / AMD/ATI Sun XT Radeon HD 8670A/8670M/8690M.
>    After installing fglrx I generated the xorg.conf in the terminal with 
> 'sudo aticonfig --adapter=all --initial' and it looked pretty good. Up to 
> this point I was able to switch between the cards with the commands 'sudo 
> aticonfig --px-dgpu' for the discrete card and 'sudo aticonfig --px-igpu' for 
> the intigrated card to save power.
>    After rebooting I realized that I was no longer able to switch between the 
> cards and found that the xorg.conf will be overwritten whenever I modified it 
> and reboot the system. The new (by boot) generated xorg.conf contains not the 
> relevant information for switing between the cards.
>    I attached both configuration in one file (xorg.conf.comparison). I will 
> also provide the atisysteminfo-report.txt so far I will find the place where 
> to attach.
>    
>    Edit: I fixed the error --> "AIGLX error: failed to open
>    /usr/lib64/dri/fglrx_dri.so, error[/usr/lib64/dri/fglrx_dri.so: cannot
>    open shared object file: No such file or directory]" but it changed not
>    the bug of overwriting the xorg.conf.
>    
>    Regards,
>    Uwe
>    
>    ProblemType: Bug
>    DistroRelease: Ubuntu 14.04
>    Package: xorg 1:7.7+1ubuntu8
>    ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
>    Uname: Linux 3.13.0-24-generic x86_64
>    NonfreeKernelModules: fglrx
>    .tmp.unity.support.test.0:
>    
>    ApportVersion: 2.14.1-0ubuntu3
>    Architecture: amd64
>    CompizPlugins: No value set for 
> `/apps/compiz-1/general/screen0/options/active_plugins'
>    CompositorRunning: None
>    CurrentDesktop: Unity
>    Date: Mon Apr 21 08:43:29 2014
>    DistUpgraded: Fresh install
>    DistroCodename: trusty
>    DistroVariant: ubuntu
>    DkmsStatus: fglrx, 13.350.1, 3.13.0-24-generic, x86_64: installed
>    ExtraDebuggingInterest: Yes
>    GraphicsCard:
>     Advanced Micro Devices, Inc. [AMD/ATI] Richland [Radeon HD 8650G] 
> [1002:990b] (prog-if 00 [VGA controller])
>       Subsystem: Hewlett-Packard Company Device [103c:1985]
>       Subsystem: Hewlett-Packard Company Device [103c:1985]
>    InstallationDate: Installed on 2014-04-20 (0 days ago)
>    InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 
> (20140417)
>    MachineType: Hewlett-Packard HP Pavilion 17 Notebook PC
>    ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic.efi.signed 
> root=UUID=fdcb1eaf-eda9-48ee-9d5b-b44e1fc06687 ro quiet splash vt.handoff=7
>    SourcePackage: xorg
>    UpgradeStatus: No upgrade log present (probably fresh install)
>    dmi.bios.date: 09/26/2013
>    dmi.bios.vendor: Insyde
>    dmi.bios.version: F.22
>    dmi.board.asset.tag: Base Board Asset Tag
>    dmi.board.name: 1985
>    dmi.board.vendor: Hewlett-Packard
>    dmi.board.version: 01.13
>    dmi.chassis.type: 10
>    dmi.chassis.vendor: Hewlett-Packard
>    dmi.chassis.version: Chassis Version
>    dmi.modalias: 
> dmi:bvnInsyde:bvrF.22:bd09/26/2013:svnHewlett-Packard:pnHPPavilion17NotebookPC:pvr0892100000005910000600000:rvnHewlett-Packard:rn1985:rvr01.13:cvnHewlett-Packard:ct10:cvrChassisVersion:
>    dmi.product.name: HP Pavilion 17 Notebook PC
>    dmi.product.version: 0892100000005910000600000
>    dmi.sys.vendor: Hewlett-Packard
>    version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
>    version.fglrx-installer: fglrx-installer N/A
>    version.ia32-libs: ia32-libs N/A
>    version.libdrm2: libdrm2 2.4.52-1
>    version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
>    version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>    version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
>    version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
>    version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
>    version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
>    version.xserver-xorg-video-intel: xserver-xorg-video-intel 
> 2:2.99.910-0ubuntu1
>    version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
> 1:1.0.10-1ubuntu2
>    xserver.bootTime: Mon Apr 21 08:29:06 2014
>    xserver.configfile: /etc/X11/xorg.conf
>    xserver.errors:
>     open /dev/dri/card0: No such file or directory
>     AIGLX error: failed to open /usr/X11R6/lib64/modules/dri/fglrx_dri.so, 
> error[/usr/X11R6/lib64/modules/dri/fglrx_dri.so: cannot open shared object 
> file: No such file or directory]
>     AIGLX error: failed to open /usr/lib64/dri/fglrx_dri.so, 
> error[/usr/lib64/dri/fglrx_dri.so: cannot open shared object file: No such 
> file or directory]
>     AIGLX error: failed to open /usr/X11R6/lib/modules/dri/fglrx_dri.so, 
> error[/usr/X11R6/lib/modules/dri/fglrx_dri.so: cannot open shared object 
> file: No such file or directory]
>    xserver.logfile: /var/log/Xorg.0.log
>    xserver.version: 2:1.15.1-0ubuntu2
>    xserver.video_driver: fglrx
>

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Title:
  xorg.conf overwritten by booting system

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