package libdrm2 2.4.39-0ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libdrm2/changelog.Debian.gz', which is different from other instances of package libdrm2:amd64

[Pedro António Soares]

package libdrm2 2.4.39-0ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libdrm2/changelog.Debian.gz', which is different from other instances of package libdrm2:amd64
I allready tried with synaptic

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: libdrm2 2.4.39-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
Uname: Linux 3.5.0-21-generic x86_64
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Thu Jan 3 15:33:54 2013
DistUpgraded: 2012-11-10 21:37:37,491 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus:
 nvidia-experimental-304, 304.48, 3.5.0-18-generic, x86_64: installed
 nvidia-experimental-304, 304.48, 3.5.0-19-generic, x86_64: installed
 nvidia-experimental-304, 304.48, 3.5.0-21-generic, x86_64: installed
DpkgTerminalLog:
 Preparing to replace libdrm2:amd64 2.4.39-0ubuntu1 (using .../libdrm2_2.4.39-0ubuntu1_amd64.deb) ...
 Unpacking replacement libdrm2:amd64 ...
 dpkg: error processing /var/cache/apt/archives/libdrm2_2.4.39-0ubuntu1_amd64.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/libdrm2/changelog.Debian.gz', which is different from other instances of package libdrm2:amd64
DuplicateSignature:
 Unpacking replacement libdrm2:amd64 ...
 dpkg: error processing /var/cache/apt/archives/libdrm2_2.4.39-0ubuntu1_amd64.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/libdrm2/changelog.Debian.gz', which is different from other instances of package libdrm2:amd64
ErrorMessage: trying to overwrite shared '/usr/share/doc/libdrm2/changelog.Debian.gz', which is different from other instances of package libdrm2:amd64
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI Radeon Mobility X1400 [1002:7145] (prog-if 00 [VGA controller])
   Subsystem: Toshiba America Info Systems Device [1179:ff10]
InstallationDate: Installed on 2012-09-03 (121 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MachineType: TOSHIBA Satellite M110
MarkForUpload: True
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-21-generic root=UUID=e81ea36d-897b-4f43-848d-666d7d71e7bc ro vesafb.invalid=1 splash quiet
SourcePackage: libdrm
Title: package libdrm2 2.4.39-0ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libdrm2/changelog.Debian.gz', which is different from other instances of package libdrm2:amd64
UnitySupportTest:
 Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code 5: Xlib: extension "GLX" missing on display ":0".
 Error: GLX is not available on the system
UpgradeStatus: Upgraded to quantal on 2012-11-10 (53 days ago)
dmi.bios.date: 07/12/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: CAPELL VALLEY(NAPA) CRB
dmi.board.vendor: Intel Corporation
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd07/12/2007:svnTOSHIBA:pnSatelliteM110:pvrPSMB0U-1234567:rvnIntelCorporation:rnCAPELLVALLEY(NAPA)CRB:rvrNotApplicable:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: Satellite M110
dmi.product.version: PSMB0U-1234567
dmi.sys.vendor: TOSHIBA
version.compiz: compiz 1:0.9.8.6-0ubuntu1
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 3:1.12.4+git20121105-makson1~ppa2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 2:2.7.3+git20120928~quantal2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 2:6.14.6+git20120928~quantal1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 3:2.20.8+git20120928~quantal2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 2:1.0.2+git20120928~quantal1

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1076192, so 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. Please continue to report any other bugs you may find.