gnome-system-monitor crash at check_cgroup_changed

i did run gnome-system-monitor with gdb under ubuntu and i got that:

Program received signal SIGSEGV, Segmentation fault.
0x000000000042f385 in check_cgroup_changed(char*, char*) ()
(gdb) bt
#0 0x000000000042f385 in check_cgroup_changed(char*, char*) ()
#1 0x000000000042f5ee in get_process_cgroup_info(ProcInfo*) ()
#2 0x0000000000420d6b in proctable_update_list(ProcmanApp*) ()
#3 0x000000000041b1bd in cb_timeout(void*) ()
#4 0x00007ffff47fd613 in g_timeout_dispatch (source=0xcec180, callback=<optimized out>, user_data=<optimized out>)
    at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:4520
#5 0x00007ffff47fcb6d in g_main_dispatch (context=0x6f1f40) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3111
#6 g_main_context_dispatch (context=context@entry=0x6f1f40) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3710
#7 0x00007ffff47fcf48 in g_main_context_iterate (context=context@entry=0x6f1f40, block=block@entry=1, dispatch=dispatch@entry=1,
    self=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3781
#8 0x00007ffff47fcffc in g_main_context_iteration (context=0x6f1f40, context@entry=0x0, may_block=may_block@entry=1)
    at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3842
#9 0x00007ffff54341ac in g_application_run (application=0x686230, argc=1, argv=0x7fffffffe038)
    at /build/buildd/glib2.0-2.42.1/./gio/gapplication.c:2282
#10 0x0000000000419758 in main ()

Description: Ubuntu 14.10
Release: 14.10

gnome-system-monitor:
  Installed: 3.8.2.1-2ubuntu4
  Candidate: 3.8.2.1-2ubuntu4
  Version table:
 *** 3.8.2.1-2ubuntu4 0
        500 http://archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
        100 /var/lib/dpkg/status