.
Thread 4 (Thread 0x7f27416b3700 (LWP 4452)):
#0  0x00007f27618c40fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f276206b7a5 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2762006271 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2762006959 in g_async_queue_timed_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f27416ba407 in ?? () from /usr/lib/nautilus/extensions-3.0/libnautilus-dropbox.so
No symbol table info available.
#5  0x00007f27620517f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f27618bfe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007f27615ed74d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f2752ffd700 (LWP 4406)):
#0  0x00007f27615e1d93 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f2762030136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f276203059a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f275818396b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f27620517f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f27618bfe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f27615ed74d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f2758b87700 (LWP 4402)):
#0  0x00007f27615e1d93 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f2762030136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f276203059a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2762601426 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f27620517f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f27618bfe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f27615ed74d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f2765c99980 (LWP 4371)):
#0  0x00007f276388df90 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#1  0x00007f276389112e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#2  0x00007f276389d9d0 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#3  0x00007f276389d3f2 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#4  0x00007f276386f511 in gdk_display_get_event () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#5  0x00007f276389d012 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#6  0x00007f276202fdda in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#7  0x00007f27620301a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007f2762030264 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007f27625cd864 in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#10 0x000000000042b969 in ?? ()
No symbol table info available.
#11 0x00007f276151e76d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#12 0x000000000042b9b5 in ?? ()
No symbol table info available.
#13 0x00007fff46bbb2b8 in ?? ()
No symbol table info available.
#14 0x000000000000001c in ?? ()
No symbol table info available.
#15 0x0000000000000002 in ?? ()
No symbol table info available.
#16 0x00007fff46bbca87 in ?? ()
No symbol table info available.
#17 0x00007fff46bbca90 in ?? ()
No symbol table info available.
#18 0x0000000000000000 in ?? ()
No symbol table info available.