package fglrx (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[salem]

Upgrading from 12.04 to 12.10. X is stuffed after reboot. No unity bar. Can't reinstall fglrx properly.

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: fglrx (not installed)
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu6
AptOrdering:
 fglrx: Install
 fglrx: Configure
 fglrx-amdcccle: Configure
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Sat Nov 3 00:18:12 2012
DistUpgraded: 2012-11-02 23:17:49,823 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus:
 vboxhost, 4.1.18, 3.2.0-32-generic, x86_64: installed
 vboxhost, 4.1.18, 3.5.0-17-generic, x86_64: installed
ErrorMessage: subprocess new pre-installation script returned error exit status 1
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI RV730XT [Radeon HD 4670] [1002:9490] (prog-if 00 [VGA controller])
   Subsystem: PC Partner Limited Device [174b:e100]
MachineType: Gigabyte Technology Co., Ltd. GA-MA770-US3
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=/dev/mapper/pdc_cbedadhia5 ro quiet vga=795 quiet splash vt.handoff=7
SourcePackage: fglrx-installer
Title: package fglrx (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UnitySupportTest:
 Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code 1: X Error of failed request: BadRequest (invalid request code or no such operation)
   Major opcode of failed request: 153 (GLX)
   Minor opcode of failed request: 19 (X_GLXQueryServerString)
   Serial number of failed request: 22
   Current serial number in output stream: 22
UpgradeStatus: Upgraded to quantal on 2012-11-02 (0 days ago)
dmi.bios.date: 06/12/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: FB
dmi.board.name: GA-MA770-US3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrFB:bd06/12/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA770-US3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA770-US3:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA770-US3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.8.4-0ubuntu3
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3