.
Thread 5 (Thread 0x7f6ac3fff700 (LWP 1296)):
#0  0x00007f6adc64404c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f6add1d046a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6add2237a2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6add2212b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f6adc63fefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007f6adc37a89d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7f6ac8b1b700 (LWP 1295)):
#0  0x00007f6adc64404c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f6add1d046a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6add2237a2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6add2212b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f6adc63fefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007f6adc37a89d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f6ac931c700 (LWP 1294)):
#0  0x00007f6adc36e773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f6add1fbf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6add1fc792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6adddf3516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f6add2212b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f6adc63fefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f6adc37a89d 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 0x7f6ac9b1d700 (LWP 1293)):
#0  0x00007f6adc36e773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f6add1fbf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f6add1fc792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6ad67a59cb in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f6add2212b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f6adc63fefc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f6adc37a89d 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 0x7f6ae0fea9e0 (LWP 1265)):
#0  0x00007f6adc2cf3a5 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f6adc2d2b0b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f6add21f4ad in g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f6add21f9d2 in g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00000000004eb462 in library_window_get_app ()
No symbol table info available.
#5  0x0000000000577ebd in on_shotwell_message ()
No symbol table info available.
#6  0x00007f6adf29ff10 in unique_marshal_ENUM__INT_BOXED_UINT () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#7  0x00007f6addaf30a4 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f6addb0502a in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f6addb0e483 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f6addb0e852 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007f6adf29e454 in unique_app_emit_message_received () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#12 0x00007f6adf2a1652 in ?? () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#13 0x00007f6adf2a176f in ?? () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#14 0x00007f6adab9377f in ?? () from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2
No symbol table info available.
#15 0x00007f6ad7ad9ae1 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#16 0x00007f6ad7acb9d0 in dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#17 0x00007f6adab91395 in ?? () from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2
No symbol table info available.
#18 0x00007f6add1fba5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007f6add1fc258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007f6add1fc429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#21 0x00007f6aded91fc1 in gtk_main_iteration () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#22 0x000000000048310e in spin_event_loop ()
No symbol table info available.
#23 0x00000000005fd294 in progress_dialog_monitor ()
No symbol table info available.
#24 0x00000000005df364 in library_photo_init ()
No symbol table info available.
#25 0x0000000000578b5f in library_exec ()
No symbol table info available.
#26 0x00000000005798cf in _vala_main ()
No symbol table info available.
#27 0x000000000047b641 in main ()
No symbol table info available.