indicator-application-service uses 100% cpu

Tried to gdb attached to/usr/lib/indicator-application/indicator-application-service and got stack trace as below (sorry no symbol packages installed):
(gdb) bt
#0 0x00007f07dfc56f64 in g_list_length () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00000000004035e4 in ?? ()
#2 0x0000000000403823 in ?? ()
#3 0x00007f07e01c2f97 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007f07e021b3dd in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5 0x00007f07e01c2f97 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6 0x00007f07e021175e in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7 0x00007f07e01c2f97 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#8 0x00007f07e01c3099 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#9 0x00007f07dfc59d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f07dfc5a0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f07dfc5a49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x0000000000402e59 in ?? ()
#13 0x00007f07df65776d in __libc_start_main (main=0x402de0, argc=1, ubp_av=0x7fff6bf3ac08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6bf3abf8) at libc-start.c:226
#14 0x0000000000402ed5 in ?? ()
#15 0x00007fff6bf3abf8 in ?? ()
#16 0x000000000000001c in ?? ()
#17 0x0000000000000001 in ?? ()
#18 0x00007fff6bf3ba19 in ?? ()
#19 0x0000000000000000 in ?? ()

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: indicator-application 0.5.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-48.74-generic 3.2.46
Uname: Linux 3.2.0-48-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.3
Architecture: amd64
Date: Thu Jul 18 09:26:46 2013
ExecutablePath: /usr/lib/indicator-application/indicator-application-service
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MarkForUpload: True
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
SourcePackage: indicator-application
UpgradeStatus: Upgraded to precise on 2012-06-19 (393 days ago)