It is happening in trusty though, which is supported. See several of the most recent duplicates at the top...
** Changed in: fglrx-installer-updates (Ubuntu) Status: Won't Fix => Confirmed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to fglrx-installer in Ubuntu. https://bugs.launchpad.net/bugs/1502978 Title: fglrx-core 2:15.201-0ubuntu1: fglrx-core kernel module failed to build against kernel 4.3 [firegl_public.c:... error: void value not ignored as it ought to be ... seq_printf] Status in fglrx-installer package in Ubuntu: Won't Fix Status in fglrx-installer-updates package in Ubuntu: Confirmed Bug description: Probably fglrx-installer. However I am not using fglrx , I am using xserver-xorg-video-ati and xserver-xorg-video-amdgpu. This happened when I installed kernel 4.3.0-040300rc4 in Ubuntu Wily Werewolf. Graphic card Radeon R9 380 ProblemType: Package DistroRelease: Ubuntu 15.10 Package: fglrx-core 2:15.201-0ubuntu1 Uname: Linux 4.3.0-040300rc4-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.19-0ubuntu1 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true DKMSKernelVersion: 4.3.0-040300rc4-generic Date: Mon Oct 5 18:33:50 2015 DistUpgraded: Fresh install DistroCodename: wily DistroVariant: ubuntu DkmsStatus: fglrx-core, 15.201, 4.2.0-14-generic, x86_64: installed DuplicateSignature: dkms:fglrx-core:2:15.201-0ubuntu1:/var/lib/dkms/fglrx-core/15.201/build/2.6.x/firegl_public.c:639:9: error: void value not ignored as it ought to be GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Tonga PRO [Radeon R9 285/380] [1002:6939] (rev f1) (prog-if 00 [VGA controller]) Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:2015] InstallationDate: Installed on 2015-02-01 (246 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150130) MachineType: Gigabyte Technology Co., Ltd. GA-MA770-UD3 PackageVersion: 2:15.201-0ubuntu1 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-040300rc4-generic root=UUID=494a814f-1825-4bfc-941f-1d7ee79111d1 ro quiet splash vt.handoff=7 RelatedPackageVersions: dpkg 1.18.2ubuntu4 apt 1.0.9.10ubuntu7 SourcePackage: fglrx-installer Title: fglrx-core 2:15.201-0ubuntu1: fglrx-core kernel module failed to build UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/09/2009 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: FA dmi.board.name: GA-MA770-UD3 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrFA:bd04/09/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA770-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA770-UD3:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: GA-MA770-UD3 dmi.sys.vendor: Gigabyte Technology Co., Ltd. version.compiz: compiz 1:0.9.12.2+15.10.20151002-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.64-1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.0-1ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.0-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3 xserver.bootTime: Mon Oct 5 18:37:05 2015 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.17.2-1ubuntu9 xserver.video_driver: amdgpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1502978/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp