fglrx-core 2:14.201-0ubuntu2.1: fglrx-core kernel module failed to build

[EvilSupahFly]

Problem is on Ubuntu 14.10 x64, running kernel 4.0.0-040000-generic with a Radeon HD 6670 video card.

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: fglrx-core 2:14.201-0ubuntu2.1
Uname: Linux 4.0.0-040000-generic x86_64
.tmp.unity.support.test.1:

ApportVersion: 2.14.7-0ubuntu8.5
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
DKMSKernelVersion: 4.0.4-040004-generic
Date: Sat May 23 20:08:04 2015
DistUpgraded: Fresh install
DistroCodename: utopic
DistroVariant: ubuntu
DkmsStatus:
 fglrx-core, 14.201: added
 virtualbox, 4.3.18, 3.17.1-031701-generic, x86_64: installed
DuplicateSignature: dkms:fglrx-core:2:14.201-0ubuntu2.1:/var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c:4462:9: error: implicit declaration of function ‘read_cr4’ [-Werror=implicit-function-declaration]
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Turks XT [Radeon HD 6670/7670] [1002:6758] (prog-if 00 [VGA controller])
   Subsystem: PC Partner Limited / Sapphire Technology Radeon HD 6670 [174b:e181]
InstallationDate: Installed on 2015-03-12 (72 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: System manufacturer System Product Name
PackageVersion: 2:14.201-0ubuntu2.1
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.0.0-040000-generic root=UUID=3eb2641d-3913-4891-acb1-c10a19b1b42e ro
Renderer: Software
SourcePackage: fglrx-installer
Title: fglrx-core 2:14.201-0ubuntu2.1: fglrx-core kernel module failed to build
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/09/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2104
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5B
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2104:bd03/09/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5B:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.61+git20150521.e9ea1f42-0ubuntu0ricotz2~utopic
version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.0~git20150521+10.6.7c5cca5e-0ubuntu0ricotz~utopic
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.0~git20150521+10.6.7c5cca5e-0ubuntu0ricotz~utopic
version.xserver-xorg-core: xserver-xorg-core 2:1.16.1.901-1ubuntu1~utopic1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.99+git20150521.d64a13eb-0ubuntu0ricotz~utopic
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Sat May 23 09:43:35 2015
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech USB Optical Mouse MOUSE, id 8
 input AT Translated Set 2 keyboard KEYBOARD, id 9
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

xserver.version: 2:1.16.1.901-1ubuntu1~utopic1

[EvilSupahFly (seann-giffin)]

After some investigation, I have come to believe the problem is that AMD doesn't support kernels higher than 3.16.x, and I'm running 4.0.4.

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1456445, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.