yelp segfaults when launch

[Ｖ字龍(Vdragon)]

Distro: Ubuntu 12.10 x86 32bit
DE: KDE
GNOME: applied gnome-team official PPA

As title.

GDB backtrace
==========================
#0 0x0804c357 in ?? ()
#1 0xb493f48e in ffi_call_SYSV () from /usr/lib/i386-linux-gnu/libffi.so.6
#2 0xb493f1ef in ffi_call () from /usr/lib/i386-linux-gnu/libffi.so.6
#3 0xb603f61a in g_cclosure_marshal_generic_va (closure=0x8080a48,
    return_value=0xbfffed94, instance=0x8082800, args_list=0xbfffeefc "",
    marshal_data=0x804c2d0, n_params=1, param_types=0x8080c58)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:1550
#4 0xb603d177 in g_type_class_meta_marshalv (closure=closure@entry=0x8080a48,
    return_value=return_value@entry=0xbfffed94, instance=instance@entry=0x8082800,
    args=args@entry=0xbfffeefc "", marshal_data=marshal_data@entry=0x50,
    n_params=n_params@entry=1, param_types=param_types@entry=0x8080c58)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:997
#5 0xb603ead1 in _g_closure_invoke_va (closure=0x8080a48,
    return_value=return_value@entry=0xbfffed94, instance=instance@entry=0x8082800,
    args=args@entry=0xbfffeefc "", n_params=1, param_types=0x8080c58)
    at /build/buildd/glib2.0-2.34.1/./gobject/gclosure.c:840
#6 0xb6057e77 in g_signal_emit_valist (instance=instance@entry=0x8082800,
    signal_id=signal_id@entry=10, detail=detail@entry=0,
    var_args=var_args@entry=0xbfffeefc "")
    at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3211
#7 0xb60588b3 in g_signal_emit (instance=instance@entry=0x8082800, signal_id=10,
    detail=detail@entry=0) at /build/buildd/glib2.0-2.34.1/./gobject/gsignal.c:3356
#8 0xb611bc5d in g_application_run (application=0x8082800, argc=1,
    argv=0xbfffeff4) at /build/buildd/glib2.0-2.34.1/./gio/gapplication.c:1601
#9 0x0804baf5 in ?? ()
#10 0xb5d884d3 in __libc_start_main (main=0x804ba70, argc=1, ubp_av=0xbfffeff4,
    init=0x8050750, fini=0x80507c0, rtld_fini=0xb7fed280 <_dl_fini>,
    stack_end=0xbfffefec) at libc-start.c:226
#11 0x0804bb1d in ?? ()

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: yelp 3.6.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-28.32-lowlatency 3.5.7.9
Uname: Linux 3.5.0-28-lowlatency i686
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu10
Architecture: i386
Date: Sat May 11 12:14:34 2013
InstallationDate: Installed on 2013-03-08 (63 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
SourcePackage: yelp
UpgradeStatus: Upgraded to quantal on 2013-03-24 (47 days ago)