htyou have a solution here. You have to install fglrx-legacy package and
all works fine.
tps://launchpad.net/~makson96
No dia 21/10/2012 22:10, "Christian Convey" <email address hidden>
escreveu:

> It sounds like you're in the same boat that I am.  Basically, ATI
> decided that any Radeon product with a chip numbered 4xxx is too old
> to be worth supporting any more.  ATI has written you off.
>
> On Sun, Oct 21, 2012 at 4:53 PM, Alessandro Polverini <email address hidden>
> wrote:
> > I've this vga:
> >
> > 01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
> > RS880 [Radeon HD 4250]
> >
> > and I'm unable to use ubuntu any more, at startup I get an error that
> > tells me to use lower resolution but it locks there.
> >
> > I installed proprietary drivers (tried both with fglrx and
> fglrx-updates) but when I run aticonfig --initial
> > I get:
> > aticonfig: No supported adapters detected
> >
> > Is there anything I can do to regain use of my pc except reinstall the
> > old version?
> >
> > --
> > You received this bug notification because you are subscribed to a
> > duplicate bug report (1051362).
> > https://bugs.launchpad.net/bugs/1025488
> >
> > Title:
> >   fglrx (not installed): fglrx kernel module failed to build [error:
> >   implicit declaration of function ‘do_mmap’]
> >
> > To manage notifications about this bug go to:
> >
> https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1025488/+subscriptions
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1062209).
> https://bugs.launchpad.net/bugs/1025488
>
> Title:
>   fglrx (not installed): fglrx kernel module failed to build [error:
>   implicit declaration of function ‘do_mmap’]
>
> Status in “fglrx-installer” package in Ubuntu:
>   Confirmed
> Status in “fglrx-installer-updates” package in Ubuntu:
>   Confirmed
>
> Bug description:
>   trying to install ATI drivers
>
>   ProblemType: Package
>   DistroRelease: Ubuntu 12.10
>   Package: fglrx (not installed)
>   ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
>   Uname: Linux 3.5.0-4-generic x86_64
>   NonfreeKernelModules: wl
>   .tmp.unity.support.test.1:
>
>   ApportVersion: 2.3-0ubuntu4
>   Architecture: amd64
>   CompizPlugins: No value set for
> `/apps/compiz-1/general/screen0/options/active_plugins'
>   CompositorRunning: None
>   DKMSKernelVersion: 3.5.0-4-generic
>   Date: Mon Jul 16 20:47:33 2012
>   DistUpgraded: 2012-07-16 16:38:43,731 DEBUG enabling apt cron job
>   DistroCodename: quantal
>   DistroVariant: ubuntu
>   DkmsStatus:
>    bcmwl, 5.100.82.112+bdcom, 3.2.0-23-generic, x86_64: installed
>    bcmwl, 5.100.82.112+bdcom, 3.5.0-4-generic, x86_64: installed
>    fglrx, 8.980: added
>   GraphicsCard:
>    Advanced Micro Devices [AMD] nee ATI RS880M [Mobility Radeon HD 4200
> Series] [1002:9712] (prog-if 00 [VGA controller])
>      Subsystem: Hewlett-Packard Company Device [103c:1641]
>    Advanced Micro Devices [AMD] nee ATI Robson CE [AMD Radeon HD 6300
> Series] [1002:68e4] (prog-if 00 [VGA controller])
>      Subsystem: Hewlett-Packard Company Device [103c:1641]
>   InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
> (20120425)
>   MachineType: Hewlett-Packard HP Pavilion dv7 Notebook PC
>   PackageVersion: (not installed)
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-4-generic
> root=UUID=051fedbd-e1fd-4b72-b1c0-4aa7cf7c4578 ro quiet splash vt.handoff=7
>   SourcePackage: fglrx-installer
>   Title: fglrx (not installed): fglrx kernel module failed to build
>   UpgradeStatus: Upgraded to quantal on 2012-07-16 (0 days ago)
>   dmi.bios.date: 03/24/2011
>   dmi.bios.vendor: Hewlett-Packard
>   dmi.bios.version: F.27
>   dmi.board.asset.tag: Base Board Asset Tag
>   dmi.board.name: 1641
>   dmi.board.vendor: Hewlett-Packard
>   dmi.board.version: 67.33
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Hewlett-Packard
>   dmi.chassis.version: N/A
>   dmi.modalias:
> dmi:bvnHewlett-Packard:bvrF.27:bd03/24/2011:svnHewlett-Packard:pnHPPaviliondv7NotebookPC:pvr058A120000242B10000020100:rvnHewlett-Packard:rn1641:rvr67.33:cvnHewlett-Packard:ct10:cvrN/A:
>   dmi.product.name: HP Pavilion dv7 Notebook PC
>   dmi.product.version: 058A120000242B10000020100
>   dmi.sys.vendor: Hewlett-Packard
>   version.compiz: compiz 1:0.9.8+bzr3249-0ubuntu2
>   version.ia32-libs: ia32-libs N/A
>   version.libdrm2: libdrm2 2.4.37-0ubuntu2
>   version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.3-0ubuntu1
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.3-0ubuntu1
>   version.xserver-xorg-core: xserver-xorg-core 2:1.12.1.902-1ubuntu1
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
> 1:2.7.0-0ubuntu2
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati
> 1:6.14.99~really6.14.4-0ubuntu2
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.19.0-1ubuntu2
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:1.0.1-1build1
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1025488/+subscriptions
>