unity_support_test crashed with SIGSEGV in nux::GpuDevice::GetOpenGLMajorVersion()

compiz nvidia

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: nux-tools 0.9.32-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
Uname: Linux 2.6.38-6-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CrashCounter: 1
Date: Thu Mar 17 21:46:05 2011
ExecutablePath: /usr/lib/nux/unity_support_test
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
ProcCmdline: /usr/lib/nux/unity_support_test
ProcEnviron:
 SHELL=/bin/bash
 LANG=zh_CN.UTF-8
 LANGUAGE=zh_CN:zh
SegvAnalysis:
 Segfault happened at: 0x9ed477 <_ZNK3nux9GpuDevice21GetOpenGLMajorVersionEv+7>: mov 0x38(%eax),%eax
 PC (0x009ed477) ok
 source "0x38(%eax)" (0x00000038) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 nux::GpuDevice::GetOpenGLMajorVersion() const () from /usr/lib/libnux-graphics-0.9.so.0
 ?? ()
 ?? ()
 __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
 ?? ()
Title: unity_support_test crashed with SIGSEGV in nux::GpuDevice::GetOpenGLMajorVersion()
UpgradeStatus: Upgraded to natty on 2011-03-14 (2 days ago)
UserGroups: adm admin cdrom dialout dip fax floppy fuse lpadmin plugdev sambashare tape video
XsessionErrors:
 (ibus-daemon:1408): IBUS-CRITICAL **: 21:46:07. 39615: file ibushotkey.c: line 365 (ibus_hotkey_profile_add_hotkey): should not be reached
 (nautilus:1539): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nautilus:1539): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed