lightdm-example-gtk-greeter crashed with SIGSEGV in _start()

[81238283]

crash

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: lightdm-greeter-example-gtk 0.4.3-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
Uname: Linux 3.0.0-5-generic x86_64
Architecture: amd64
Date: Wed Jul 13 17:54:45 2011
ExecutablePath: /usr/lib/lightdm/lightdm-example-gtk-greeter
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110705.1)
ProcCmdline: /usr/lib/lightdm/lightdm-example-gtk-greeter
ProcEnviron:
 PATH=(custom, no user)
 SHELL=/bin/false
SegvAnalysis:
 Segfault happened at: 0x7f9c8375817a: movlpd (%rsi),%xmm2
 PC (0x7f9c8375817a) ok
 source "(%rsi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%xmm2" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: lightdm
Stacktrace:
 #0 0x00007f9c8375817a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
 No symbol table info available.
 #1 0x0000000000403dfd in _start ()
 No symbol table info available.
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 _start ()
Title: lightdm-example-gtk-greeter crashed with SIGSEGV in _start()
UpgradeStatus: Upgraded to oneiric on 2011-07-13 (0 days ago)
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