GLX error: Can not get required symbols

cannot login into my session, nor into unity3d nor into gnome with/without effects.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xorg 1:7.7+1ubuntu4
Uname: Linux 3.6.0-030600rc4-generic x86_64
ApportVersion: 2.6.2-0ubuntu2
Architecture: amd64
CompizPlugins: [core,composite,opengl,decor,grid,mousepoll,gnomecompat,regex,animation,resize,snap,compiztoolbox,wall,vpswitch,imgpng,expo,fade,place,ezoom,workarounds,dbus,move,scale,unitymtgrabhandles,session,unityshell]
Date: Thu Nov 8 22:49:37 2012
DistUpgraded: 2012-01-04 20:28:20,630 DEBUG enabling apt cron job
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus:
 fglrx, 9.000, 3.6.0-030600rc4-generic, x86_64: installed
 ndiswrapper, 1.57: added
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer Device [1297:2020]
InstallationDate: Installed on 2012-01-01 (312 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: Capital GAUJA
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.6.0-030600rc4-generic root=/dev/mapper/internalhdd-root ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to raring on 2012-01-04 (309 days ago)
dmi.bios.date: 04/22/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.03.CAP
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: HURONRIVER
dmi.board.vendor: INTEL Corporation
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.03.CAP:bd04/22/2011:svnCapital:pnGAUJA:pvrTobefilledbyO.E.M.:rvnINTELCorporation:rnHURONRIVER:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: GAUJA
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Capital
version.compiz: compiz 1:0.9.8.4+bzr3407-0ubuntu1
version.ia32-libs: ia32-libs N/A
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