#0  0xb5d01643 in e_source_list_peek_groups ()
   from /usr/lib/libedataserver-1.2.so.9
#1  0xb5e45b1a in ?? () from /usr/lib/gnome-panel/libclock-applet.so
#2  0x00000021 in ?? ()
#3  0xb75403e0 in free () from /lib/tls/i686/cmov/libc.so.6
#4  0xb5e46001 in ?? () from /usr/lib/gnome-panel/libclock-applet.so
#5  0x080d7738 in ?? ()
#6  0xbfa8d9dc in ?? ()
#7  0xbfa8d998 in ?? ()
#8  0xb775a316 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0x0852e410 in ?? ()
#10 0xb7628a0c in __pthread_mutex_unlock_usercnt ()
   from /lib/tls/i686/cmov/libpthread.so.0
Backtrace stopped: previous frame inner to this frame (corrupt stack?)