compiz crashed with signal 7 in FcConfigSubstituteWithPat()

Binary package hint: compiz

after update , error happens on restart

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4git20110322-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
CrashCounter: 1
DRM.card0.HDMI.A.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1366x768 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
 edid-base64: AP///////wAGr+wiAAAAAAETAQOAIhN4CsiVnldUkiYPUFQAAAABAQEBAQEBAQEBAQEBAQEBEhtWQlAAJjAgGDQAWMEQAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBBVU8KICAgICAgICAgAAAA/gBCMTU2WFcwMiBWMiAKAMA=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
Date: Sat Mar 26 19:11:10 2011
DistUpgraded: Log time: 2011-03-12 10:45:41.392666
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus: fglrx, 8.801: added
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 ATI Technologies Inc Device [1002:9802] (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:397b]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InstallationMedia_: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: LENOVO 4383
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=de_DE:en
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=89761450-bd82-40bd-86a9-93c8763a4e52 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic 2.6.38
Renderer: Unknown
Signal: 7
SourcePackage: compiz
StacktraceTop:
 FcConfigSubstituteWithPat () from /usr/lib/x86_64-linux-gnu/libfontconfig.so.1
 FcFontRenderPrepare () from /usr/lib/x86_64-linux-gnu/libfontconfig.so.1
 FcFontMatch () from /usr/lib/x86_64-linux-gnu/libfontconfig.so.1
 ?? ()
 ?? ()
Title: compiz crashed with signal 7 in FcConfigSubstituteWithPat()
UpgradeStatus: Upgraded to natty on 2011-03-12 (14 days ago)
UserGroups: adm admin audio cdrom dialout lpadmin netdev operator plugdev root sambashare sudo
XorgConf: # NOXORGCONFEXISTED: No X.org configuration file existed when this backup was created.
XsessionErrors: (nautilus:1956): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
dmi.bios.date: 01/07/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 41CN17WW(V1.03)
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Inagua
dmi.board.vendor: LENOVO
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnLENOVO:bvr41CN17WW(V1.03):bd01/07/2011:svnLENOVO:pn4383:pvrLenovoG575:rvnLENOVO:rnInagua:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: 4383
dmi.product.version: Lenovo G575
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
version.libdrm2: libdrm2 2.4.23-1ubuntu5
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6