.
Thread 2 (Thread 653):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
No locals.
#1  0x00007f36f359c602 in ?? () from /usr/lib/libgthread-2.0.so.0
No symbol table info available.
#2  0x00007f36f3099851 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f36f3099997 in g_async_queue_timed_pop ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f36f30e99c8 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f36f30e7b84 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f36f52859ca in start_thread (arg=<value optimized out>)
    at pthread_create.c:300
        __res = <value optimized out>
        pd = 0x7f36bff7f710
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139873125660432, 
                305218936013609087, 0, 0, 0, 139873125660432, 
                -409505484206221185, -409351125889558401}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f36f1d8c6dd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 21894):
#0  0x00007f36dbde59b4 in ?? () from /usr/lib/nautilus-actions/libna-core.so
No symbol table info available.
#1  0x00007f36f39b251a in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#2  0x00007f36f39b1d90 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#3  0x00007f36f30aa46e in g_datalist_id_set_data_full ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f36f39b251a in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x000000000047057c in ?? ()
No symbol table info available.
#6  0x00007f36f39b011b in g_closure_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f36f39c379c in g_signal_handlers_destroy ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f36f39b23ad in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f36f39b251a in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f36f4ca4dbb in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#11 0x00007f36f4ca4a95 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#12 0x00007f36f4ca4a95 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#13 0x00007f36f4ca4a95 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#14 0x00007f36f4ca5a85 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#15 0x00007f36f47c6d56 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#16 0x00007f36f30be8c2 in g_main_context_dispatch ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#17 0x00007f36f30c2748 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#18 0x00007f36f30c2c55 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#19 0x00007f36f4b90af7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#20 0x0000000000443164 in ?? ()
No symbol table info available.
#21 0x00007f36f1cc4c4d in __libc_start_main (main=<value optimized out>, 
    argc=<value optimized out>, ubp_av=<value optimized out>, 
    init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffe0b5a2f8)
    at libc-start.c:226
        result = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 305218936013609087, 
                4393792, 140736963388160, 0, 0, -305230569276417921, 
                -409343120426116993}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x54d0f0, 0x7fffe0b5a308}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 5558512}}}
        not_first_call = <value optimized out>
#22 0x0000000000430b69 in ?? ()
No symbol table info available.
#23 0x00007fffe0b5a2f8 in ?? ()
No symbol table info available.
#24 0x000000000000001c in ?? ()
No symbol table info available.
#25 0x0000000000000005 in ?? ()
No symbol table info available.
#26 0x00007fffe0b5ba97 in ?? ()
No symbol table info available.
#27 0x0000000000000000 in ?? ()
No symbol table info available.