.
Thread 3 (Thread 3376):
#0  0x00f59422 in __kernel_vsyscall ()
#1  0x00844142 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x002c615e in ?? () from /usr/lib/libgthread-2.0.so.0
#3  0x00128b7c in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00128c81 in g_async_queue_timed_pop () from /usr/lib/libglib-2.0.so.0
#5  0x00b567b7 in ?? ()
   from /usr/lib/nautilus/extensions-2.0/libnautilus-dropbox.so
#6  0x0948e138 in ?? ()
#7  0xb7197210 in ?? ()
#8  0xb5dbe820 in ?? ()
#9  0x0016edc0 in ?? () from /usr/lib/libglib-2.0.so.0
#10 0x00000000 in ?? ()
.
Thread 2 (Thread 4305):
#0  0x00f59422 in __kernel_vsyscall ()
#1  0x00844142 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x002c615e in ?? () from /usr/lib/libgthread-2.0.so.0
#3  0x00128b7c in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00128c81 in g_async_queue_timed_pop () from /usr/lib/libglib-2.0.so.0
#5  0x0017992e in ?? () from /usr/lib/libglib-2.0.so.0
#6  0x0017838f in ?? () from /usr/lib/libglib-2.0.so.0
#7  0x0083f80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x01b4381e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (Thread 3276):
#0  0x04c393e0 in ?? ()
#1  0x010ab098 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#2  0x00e4b08a in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#3  0x0014dd78 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#4  0x00151620 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00151a8f in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#6  0x01013cdd in gtk_dialog_run () from /usr/lib/libgtk-x11-2.0.so.0
#7  0x08143de0 in ?? ()
#8  0x08118135 in ?? ()
#9  0x080fa1b5 in ?? ()
#10 0x080fe6d4 in ?? ()
#11 0x0014bff1 in ?? () from /usr/lib/libglib-2.0.so.0
#12 0x0014dd78 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#13 0x00151620 in ?? () from /usr/lib/libglib-2.0.so.0
#14 0x00151a8f in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#15 0x010ab399 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x08081501 in ?? ()
#17 0x01a8db56 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#18 0x0806bf41 in ?? ()